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1. lt 15 24 Making settings sasasi ba agan da e nanda 3609 e8 26 Measuring current asen anana a aaa a aaa rree 40 Measuring voltage sasen ueniren 45 Menu system at aaa aa a aaa a naa aane 30 N Numerical value 1 455 aa saen aaa pa wa a Tau paka 27 Numerical value change 27 O OMG BEA AG NA n ng BN Na T 36 Operalla aaa aaa AA a aaa passe aba aii R 39 Operating times aana eaaa anana c ene sec 44 45 Overcurrent relays aaa nenen anane nee nenen 55 P Phase angle cc c2 ccccccS2 46 49 Phase difference xxx 48 Pick up and drop out limifs 42 POWEF Ela YS saanak deg seers AA pata a a a 60 Power Supply lt 2 lt lt lt csxce 16 25 R Realia 37 Remote control un aaa Ega a agan 37 Resistor set and capaCIfOF 15 S Safety regulatiOnsS cccccccc check 6 Save Reda ss er 37 Select current output aaa aana eaaa eaaa aee nenen 40 Set of resistors and capacitor 24 Setting TIOSAN AA AAN ERA BAE KN ME EE kae 26 Setting the desired current 41 S OPW AIC in ag aa a Ta BEN een Ega eaaa 38 SPECIFICATIONS asra aaa EA 201201 EN GG AAN KA ANAKE 67 S
2. Sverker can be used to measure partial times in a reclosing cycle The relay times and the de ener gized intervals are stored so that you after the measurement can scroll through them on the display whenever desired The Sverker make break contact can be used to stimulate the state of the breaker for the automatic recloser 1 Initial setting OFF Main knob at O Set Sverker to measure reclosing See explana tion of settings in Chapter 5 You can also set a time limit so that the test will be interrupted when the time limit expires 2 Connect the reclosing signal to the Sverker timer start input START The relay tripping signal must be connected to the timer stop input STOP Connect the relay current input to a suitable current output on Sverker If the automatic recloser requires a breaker state indication signal you can create such a signal by connecting the 52 EN DOT 10 T1 Sverker make break contact perhaps in series with the voltage source to the automatic recloser Use the button marked A to transfer the ammeter test point to the output that is being used Set start and stop conditions Activate ON using the start switch Turn up the desired test current Set the start switch OFF Start the reclosing cycle by activating ON TIME using the start switch Check that the switch is in position OFF after the cycle has been completed You can now scroll through the relay times and
3. Test hookup and initial settings 1 Connect for testing as shown in the above diagram a Connect the Sverker separate 0 120 V AC voltage output to the protective relay equipment input U b Also connect the Sverker separate AC voltage output to the voltmeter input c Connect the Sverker current source via the ammeter input and the set of resistors Programma Electric AB ZP CDO1E ROSA the resistor you select will depend on the testing current to the current input NI to the protective relay equipment d Connect the timer stop input STOP to the relay trip output 2 Turn on power to Sverker using the mains switch 3 Activate the desired stop condition for the timer by setting the stop input for a make and or break function and for a wet or dry contact 4 Transfer the ammeter test point to the panel input whereupon its indicator lamp will light This can be done step by step with the A button located to the right of the display window 5 Select the desired voltage range 0 60 or O 120 V for the separate AC output by pressing the button at left beneath the output 6 Activate the separate AC voltage output by pressing the button at right beneath the output Pick up and drop out functions gt ON and I gt OFF 1 Increase the voltage using the small knob until U gt is exceeded If the protective relay equipment has no adjustable voltage function U gt set the voltage to the value same a
4. TART 9 o o SVERKER 750 760 Relay Test Unit 8 r oF i d B DELTE LE Oe i Jet v Ba g 3 PLUILUCIDOL User s manual SVERKER 750 760 Relay Test Unit NOTICE OF COPYRIGHT amp PROPRIETARY RIGHTS 2007 Programma Electric AB All rights reserved The contents of this manual are the property of Programma Electric AB No part of this work may be reproduced or transmitted in any form or by any means except as permitted in written license agreement with Programma Electric AB Programma Electric AB has made every reasonable attempt to ensure the completeness and accuracy of this document However the information contained in this manual is subject to change without notice and does not represent a commitment on the part of Programma Electric AB Any attached hardware schematics and technical descriptions or software listings that disclose source code are for informational purposes only Reproduction in whole or in part to create working hardware or software for other than Programma Electric AB products is strictly prohibited except as permitted by written license agreement with Programma Electric AB TRADEMARK NOTICES Programma is a registered trademark of Programma Electric AB All other brand and product names mentioned in this document are trademarks or registered trademarks of their respective companies Programma Electric AB Eldarvagen 4 T 46 8510 195 00 Box 2970 F 46 8 510 19
5. DO eg tex EM hy ON mac ham LO TT Phase angle control SVERKER 750 760 3 2 Current source The main source built into Sverker can provide 0 100 A 0 40 A 0 10 A 0 250 V AC or 0 300 V DC depending on which output is used As a rule this current source is used to provide simulated sudden change fault conditions for the object being tested An indicator lamp to the right of the set of resistors is lighted during generation Generation start up is synchronized with the mains thus eliminating inaccuracies in the test results attributable to the instant at which the start switch is activated There are a number of different types of generation and they are selected via the display window Values are set using the main knob on the control panel Current voltage and other settings appear on the display See section headed Ammeter and voltmeter Generation is turned on and off using the start switch which has four positions ON TIME Current source is activated until the object being tested has operated The time is then displayed whereupon Sverker returns automatically to the OFF mode Current source is turned off ON Current source is turned on activated OFF TIME Current source is turned off When the object being tested has operated the time is displayed whereupon Sverker returns automatically to the OFF mode When trip occurs generation is interrupted after a number of
6. you should repeat the measurement The range changing system is memory equipped and repeating Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 your measurement may give it time to make the change properly When current and or voltage fluctuate widely a filter can be engaged to make reading easier The filter performs an averaging function Instead of having current and voltage shown in amperes and volts you can have them shown as a percentage of a given current or voltage the relay protection equipment s setting for example A flashing current value means that the value is less than 1 of the range being used To get a more accurate current reading you can then measure via the ammeter input 13 SVERKER 750 760 3 7 AC Voltage source Sverker 750 The AC voltage source provides 0 120 V AC split into two ranges It has two knobs of its own one for rough and one for fine settings Since the AC voltage source is separated from other outputs it is set independently of the current source The AC voltage source is intended primarily for the relay protection equipment s voltage input A set of resistors and a capacitor can be used to change the phase angle of the current and the voltage Sverker 760 The AC voltage source provides 0 130 V AC with adjustable phase angle Since the AC voltage source is separated from other outputs it is set independ ently of the current source The AC voltage source is i
7. ZP CDO1E ROSA SVERKER 750 760 O ON TIME a OOFF OON O OFF TIME 41 Indication What is meant ON TIME Current source is activated until the object being tested has operated The time is then displayed whereupon Sverker returns automatically to the OFF mode OFF Current source is turned off ON Current source is turned on activated OFF TIME Current source is turned off When the object being tested has operated the time is displayed whereupon Sverker returns automatically to the OFF mode Lights the next higher indicator lamp one step up A in setting mode Moves up in the menu or MODE activated increases the value Lights the next lower indicator lamp one step down V in setting mode Moves down in the menu or MODE activated decreases the value 19 SVERKER 750 760 4 3 Timer START STOP ON OM ON OM O F O OF 0 O O COEN 13 gt O 12 ff 14 12 START input This is used to start the timer Max 250 V AC or DC The time is shown in the display Indication Condition required for timer start INT a Internal Used when ON TIME or OFF TIME is selected b When voltage is applied or when a contact is closed ahan c When applied voltage vanishes or when a contact is opened _ 4 d When the state of the input changes Select the desired option using the leftmost of the two blank faced buttons located under START o
8. ammeter test point to the current output that is being used 4 Set the timer stop condition to CLOSURE OPENING CONTACT for example 42 5 Activate ON using the start switch 6 Turn up the current until pick up 7 The tripping limit will be frozen and held on the display 8 Press the HOLD button twice in order to reset the HOLD function 9 Turn down the current until the relay drops out You can now read the frozen drop out value from the display window 10 Interrupt output by setting the start switch to OFF Method 2 Manually controlled momentary injection Here the current is interrupted when you release the start switch from the ON or ON TIME position This procedure enables you to prevent overheating of the protective relay equipment when for exam ple you are trying to find the pick up value for an instantenous unit 1 Initial settings OFF MOMENTARY see explanation of settings in Chapter 5 HOLD Main knob at 0 2 Connect the relay current input and tripping output to Sverker 3 Use the button marked A to transfer the ammeter test point to the current output that is being used 4 Set the timer start condition to INT 5 Set the timer stop condition to CLOSURE OPENING CONTACT for example 6 Change the main knob setting 7 Activate ON briefly The duration of the output must be longer than the operating time of the instantaneous unit If you want to check the time you can
9. the best accuracy 41 SVERKER 750 760 6 6 Finding pick up and drop out limits for over current voltage other entity relays Method 1a Normal injection gradual increase in current Current is generated continuously This procedure is suitable in situations where there is little risk of overheating the protective relay equipment and you wish to measure the drop out function without using a second test procedure 1 Initial settings OFF Main knob at 0 2 Connect the relay s current input and tripping output to Sverker 3 Use the button marked A to transfer the ammeter test point to the selected output 4 Set the timer stop condition to CLOSURE OPENING CONTACT for example 5 Activate ON using the start switch 6 Turn up the current until the relay operates pick up 7 Read the current 8 Turn down the current Read the current that flows when drop out takes place 9 Interrupt output by setting the start switch to OFF Method 1b Normal injection pick up and drop out values obtained using the HOLD freeze function Increase the current gradually until the relay oper ates whereupon the current reading is frozen You can then start reducing the current immediately and the current reading will be frozen when drop out occurs 1 Initial settings OFF HOLD Main knob at 0 2 Connect the relay s current input and tripping output to Sverker 3 Use the button marked A to transfer the
10. toggle between the 20 130 V and 130 220 V DC auxiliary voltage ranges 30 I O ON OFF switch used for the auxiliary voltage source 27 23 SVERKER 750 760 4 9 Make Break contact 32 33 _ oe 31 34 31 Relay contact Changes state in response to ON TIME and OFF TIME 32 Break normally closed function 33 Make normally open function 34 F3 1A Miniature circuit breaker for relay contact 31 24 4 10 Resistor set and capacitor Sverker 750 35 36 I sew 000000 35 Capacitor 10 mF 450 V 36 Resistor set Sverker 760 36 0000 00o 36 Resistor set Programma Electric AB ZP CDO1E ROSA 4 11 Power supply 37 39 38 40 37 Mains voltage ON OFF 38 Connector for mains voltage 39 F1 Miniature circuit breaker for the power supply 4 A 230 V 8 A 115 V 40 Ground earth terminal Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 4 12 Other SERIAL el Jo 41 41 SERIAL Serial port for communication with computers and the Sverker Win software 42 42 Terminals marked with black dots all have the same polarity used for AC voltage sources Note CHG ESC and SEL are imprinted on the faces of the buttons marked HOLD MODE and A respectively Thes
11. 3 Set the timer start condition to INT 4 Set the timer stop condition to CLOSURE OPENING CONTACT for example 5 Activate ON using the start switch Set the entity current or voltage being tested so that it exceeds by an ample margin the value that has been preset for the relay 6 Activate OFF TIME using the start switch 7 Read and note the time and current Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 6 10 Measuring voltage VO 1 Set the voltmeter to measure AC or DC see Chapter 6 2 Connect the voltmeter input to the voltage that is to be measured Do not exceed the voltmeter specifications Note To measure a voltage in the HOLD state you must simultaneously measure a current by short circuiting the current output with a wire for example 45 SVERKER 750 760 6 11 Obtaining the correct phase angle when two or more AC outputs are being used Three separate AC voltages can be obtained from Sverker e 0 250 V AC output from the current source e 0 120 V AC voltage source e 0 100 A 0 40 A and 0 10 A current outputs from different taps on the same winding If these are connected to a common point it s important to know the polarity The right hand terminal in each of the outputs is thus provided with a black dot thereby indicating that these output socket terminals have the same polarity o lt _ 46 6 12 Generating higher voltages Since the AC voltages sen
12. Here you can select extra measurement functions in addition to the voltage and current functions For all extra measurement functions Sverker must be set for AC measurement i e for AC Amp and AC Volt However this does not apply to the measurement of resistance or active power For these DC measurement can also be used Either voltage or current can be used as a reference for calculating the phase difference phase angle between current and voltage Then when Sverker is used in the generation mode normal mode the selected extra measurement function is displayed at the top of the window beside the time Only one option can be selected at a time Menu option for Aac Vac AC measurement Explanation None No extra measurement function displayed Z Q Impedance and phase angle displayed Z Q Impedance displayed without phase angle R X Q Q Resistance and reactance displayed P W Active power displayed S VA Apparent power displayed Q VAr Reactive power displayed COS Power factor displayed Iref Phase difference displayed with current as reference Uref Phase difference displayed with voltage as reference 34 Menu options for Adc Vdc DC measurement Explanation None No extra measurement function displayed R Q Resistance displayed P W Power displayed Menu options for Adc Vac or Aac Vdc
13. Then when you want to conduct a similar test again they can be recalled from the memory in question There are four such memories Each time Sverker is turned on the contents of memory No 0 are recalled as defaults You can however recall and use the contents of any other memory by specifying its number in this menu In addition there is a special memory that contains Programma s original Sverker settings and they can be recalled whenever you want to use them Menu option Explanation Recall mem Recall settings from the specified Sverker memory range is 0 3 Recall default Recall the original Programma settings from the special memory Save mem Save the settings in the specified Sverker memory range is 0 3 1 Press the SEL button to invoke the se lected option Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 5 15 Remote control Together with the PC software SVERKER Win you can control the settings except the dials from the computer When Sverker Win is started the text Remote Control will appear on the display 37 SVERKER 750 760 5 46 Language Here you select one of five languages in which the menus prompts etc will appear Menu option Explanation English English language menus prompts etc Deutsch German language menus prompts etc Francais French language menus prompts etc Espanol Spanish language menus prompts etc Svenska S
14. activate ON TIME instead of ON 8 Check to see that the instantaneous unit has tripped This can be done by a check ing the indicator lamp on the relay or b checking to see that the TRIP indicator lamp in Sverker is on and that the meas ured operating time matches the operating time of the protective relay equipment Repeat starting with step 6 until you find the lowest current that provides operation 9 Read the current 10 To measure the drop out value activate ON again using the start switch until tripping occurs Then while keeping ON active Programma Electric AB ZP CDO1E ROSA reduce the current by turning the main knob until resetting takes place Release the start switch and make a note of the current Method 3 Time limited injection Time limited injection Time limited generation as its name implies interrupts output after a preset time This is useful when you want to prevent overheating in the protective relay equipment 1 Initial settings OFF MAX TIME see expla nation of settings in Chapter 5 HOLD Main knob at 0 The maximum time must be set longer than the operating time of the instantaneous unit 2 Connect the relay current input and tripping output to Sverker 3 Set the ammeter to measure current at the current output that is being used 4 Set the timer start condition to INT 5 Set the timer stop condition to CLOSURE OPENING CONTACT for example 6 Change the main knob s
15. additional test points on the inverse time curve 3 Turn off the Sverker current source by setting the start switch to the OFF position 4 Activate ON TIME by means of the start switch whereupon the timer will start and the current source will start to generate current 5 When the protective relay equipment operates the timer will stop automatically and the current source will be turned off automatically whereupon the TRIP indica tor will start to flash 6 Read the ON TIME DELAY value from the Sverker display Pick up and drop out functions U gt ON and U gt OFF 1 Decrease the voltage using the small knob until the voltage drops beneath U 2 Turn on the Sverker current source using the start switch whereupon the ON indicator lamp will light 3 Increase the current with the main knob until gt ON is exceeded more than 1 1 1 2 x gt ON 4 Increase the voltage using the small knob until the lt 2 gt protective relay equipment operates U gt ON whereupon the Sverker TRIP indicator will start to glow steadily 5 Read the U gt ON value from the display window 59 SVERKER 750 760 6 If the freeze function has been activated 7 4 Testing power press the HOLD button twice to unfreeze the value shown relays 7 Decrease the voltage until drop out takes place U gt OFF whereupon the TRIP indicator will be extinguished 8 Read the U gt OFF value from the display window F
16. gt ON and U gt OFF 1 Turn on the Sverker voltage source by activating ON with the start switch press the VW key once whereupon the ON indica tor lamp will light Increase the voltage carefully until the protective relay equipment operates U gt ON whereupon the Sverker TRIP indicator will start to glow steadily Read the U gt ON value from the Sverker display window If the freeze function has been activated press the HOLD button twice to unfreeze the value shown Decrease the voltage until the relay is reset U gt OFF drop out whereupon the TRIP indicator will be extinguished Read the U gt OFF drop out value from the Sverker display window Decrease the voltage to 0 Turn off the Sverker current source by setting the start switch to the OFF position Operating function U gt ON TIME DELAY dL Turn on the Sverker voltage source by activating ON with the start switch where upon the ON indicator lamp will light Increase the voltage to 1 5 KU gt ON Turn off the Sverker voltage source by setting the start switch to the OFF position Activate ON TIME by means of the start switch whereupon the timer will start and the voltage source will start to generate voltage When the protective relay equipment operates the timer will stop automatically and the voltage source will be turned off automatically whereupon the TRIP indica tor will start to flash Programma Electric AB ZP
17. knob 44 is in the most left position No phase angle reading or jumping values Miniature circuit breaker F4 may have tripped because the measured current exceeded 6 A The current is probably being measured at the wrong location testpoint The voltmeter panel input is not connected Contact bounces are occurring in the protective relay equipment The delay off function is activated time that elapses after tripping before generation is stopped and start and stop pulses are issued during the delay off period You have connected a Sverker adjusted for 230 V 50 Hz to 230 V 60 Hz No current generated Both current and voltage must be generated Check the miniature circuit breaker Check to see that the correct testpoint has been selected for the ammeter Connect the voltmeter input Connect the Sverker capacitor in parallel with the test object Shorten the delay off period or set it to 0 See Chapter 5 entitled Making settings in the display The switch selecting 50 or 60 Hz inside Sverker 760 has to be set to the right position see section 10 1 Press ON to generate the current 65 SVERKER 750 760 8 3 Error messages etc Flashing value BAD START CONDITION BAD STOP CONDITION CHECKSUM ERROR RAM ERROR 66 The value shown is less than 1 of the range being used Means overflow and indi
18. lt e 54 Automatic reclOSer 52 Auxiliary voltage S c gaene anan 47 Auxiliary voltage source 14 23 B Break COMACE saeba a ANA E aa eaaa aa 15 24 Button functions se 27 C Capaci TT an nh 15 24 Change numerical value c s 5 27 Computer interface cccccccccsirse 16 G PntfGIDANEI 2 2 27101260200121012123601 a04s 845330910 17 Curent SOUTE dusker 10 19 D Direction indicator sasanak aaa a agawa kenaka aaa aana 27 Directional ground fault relay syste 57 Directional overcurrent relay 57 Display gka aaa E A Na ah PANG eon 12 21 35 E External cycle time ch 50 F Finding pick up and drop out limits 43 G Generating higher voltages 46 H High currents sasa aaa gag aaa aga 0106101202125 41 l Injecting current khe 39 Jal wajang PESAN AN NAN ANNA KN a a a an 80808 32 L Language anae sanan anana saenga naga ga agan 38 74 LOWGUTEN S sasana aik kaa ana ea epek a a gape 41 M Magnetization curve c2 51 Maintenance che 73 Make Break contact
19. mains cycles This delay simulates the circuit breaker s breaking time The length of delay can be set by the user 10 Measure operating times for over current voltag e other entity relays Turn off the current source Make settings and find pick up drop out limits Measure operating times for under current voltag e other entity relays Chapter 5 Type of generation Generation that continues until the object being tested trips Momentary manually controlle d generation Time limited generation Restarted generation used to test automatic reclosing devices Explanation Generation continues until the timer stops This permits the user to provide brief manually controlled generation that is interrupted immediately when the start switch is released Here you can set a maximum time for generation When it expires generation is interrupted immediately You can set the Sverker so that generation will be restarted start again when the timer start input is activated This feature is used to test automatic reclosing devices Programma Electric AB ZP CDO1E ROSA 3 3 Timer Since the timer has a start input and a stop input it can be used to measure external cycles as well as sequences initiated by Sverker The measured time appears in the display window To test automatic reclosing devices Sverker is able to measure a number of sequential time intervals and dis
20. recloser 52 6 21 Measuring the trip pulse length 53 6 22 Injecting current External start 53 7 Application examples 54 7 1 Testing voltage relays 54 7 2 Testing over current relays 55 7 3 Testing directional over current relay systems or directional ground fault earth fault relay systems 57 Sverker 700 Jaksa abangan pk ak akak gan 57 Sverker 750 PP 58 7 4 Testing power relays 60 7 5 Testing under voltage relays 62 7 6 Testing motor overload releases and Programma Electric AB ZP CD01E RO5A SVERKER 750 760 overcurrent cut outs that grant deny starting permission 64 Only for SVERKER 750 64 8 Troubleshooting 65 8 1 Genera EE 65 8 2 Displayed values 65 8 3 Error messages etc 66 9 Specifications 67 9 1 General DE 67 9S DUS eor aaa aaa aga a ain a gagana 68 9 4 Make Break contact 69 9 5 Measurement section 70 SE sisrsrsisrsirreirriesvieraeirenne iein 72 10 Maintenance 73 10 1 Changing the position of the switch for mains frecuency Sverker 760 73 II gang a aga kaa a ak aaa NA ga aa a 74 5 SVERKER 750 760 IMPORTANT Re
21. setting mode CHG SEL Invokes the menu option that has been selected A Moves up in menu or increases a numerical value v Moves down in menu or decreases a numerical value gt Moves right in display window 4 Moves left in display window Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 5 3 Direction indicator In addition to the menu heading and menu option a direction indicator appears on the display It indi cates the direction s in which you can move in the menu or change a numerical value The direction indicator can have one of three shapes diamond double up down arrow up arrow or down arrow Direction indicator 4 Direction indicator shapes and their meanings Indicator shape Meaning You can move either up or down or increase decrease a value 4 Up and down arrow A Up arrow You can only move up or increase a value VW Down arrow You can only move down or decrease a value How to change a numerical value Some menu options include numerical values settings that can be changed To open a numerical value for change you press the CHG button whereupon a cursor appears beneath the rightmost digit Change numerical valueNumerical value change You can now move the cursor with the or gt button until it is beneath the desired digit Then increase or decrease the value using the T or 4 button a If you want to change 99 9 to 95 0 you press the CHG button to op
22. the black output contact and ground earth The respective max currents can be used continu ously at high output voltages in either of the two ranges When the respective max currents are used at low voltages in either range a temperature monitor will trip after a while and the voltage will be shut off However the voltage will be restored as the temperature drops 68 9 3 Inputs Timer inputs These inputs are equipped with 400 V transient voltage suppressors transils at three locations e Between the input contacts e Between the black input contact and ground earth e Between the red input contact and ground earth Potential state Parameter High changeover level DC IVIHIDC Low changeover level DC IVILIDC High voltage level AC IVIHIAC Low voltage level AG IVILIAC V ACrms Input current at high level AC DC IIIHI 1 This high voltage is needed to ptovide correct time readings Contact state Parameter min Type Max Unit High changeover 3 KO resistance RIH Low changeover 750 Q resistance RIL Output current with 7 13 mA DC short circuited input Internal supply 20 VDC voltage Vs Programma Electric AB ZP CDO1E ROSA Maximum values ai Max input voltage DC IVINIDC Max input voltage AC IVINIAC External ammeter input Maximum values for external current measurement parameter mer Joe sd SVERKER 750 760 9 4 Make Break contac
23. the value of the applied current or voltage used for testing must exceed the tripping limit by an ample margin rule of thumb 1 2 1 5 times the pick up limit High current should be injected through the protective relay equipment for as short a time as possible to prevent overheating It may be advisable to use manually control led momentary generation or time limited generation when injecting high current Output alarm If more than 1 V 0 5 A flows in the 10 A range when Sverker is in the OFF state there will be a message on the display CAUTION OUTPUT 39 SVERKER 750 760 6 3 Selecting the correct current output Select the output at which the setting knob must be turned the furthest to obtain the desired current This will improve setting accuracy and enable Sverker to deliver maximum power When the object being tested has high impedance or may reach saturation it is especially important to use the output having the highest possible voltage This will drive the desired current through the object being tested efficiently and minimize distor tion of the current waveform 40 6 4 Measuring current 0 250V 3A AC a Ox DO The ammeter in Sverker has four inputs Three of them are internal inputs fixed to the individual current outputs and one is an external input located on the control panel Active input i e ammeter test point is indicated by an indicator lamp 0 300V 2A DC Use th
24. to Sverker using the mains switch Disconnect the equipment 7 5 Testing under voltage relays The following functions are to be tested e Pick up function U lt ON e Drop out function U lt OFF e Operating time U lt ON TIME DELAY neuay vest UNIT 0 SVERKER 750 Programma Test hookup and initial settings 1 Connect for testing as shown in the above diagram a Connect the 0 250 V AC voltage source output to the protective relay equipment b Also connect this output to the voltmeter input c Connect the timer stop input STOP to the relay trip signal output 2 Turn on power to Sverker using the mains switch 3 Activate the desired stop condition for the timer by setting the stop input for a make and or break function and for a wet or dry contact Programma Electric AB ZP CDO1E ROSA 4 lf the display window is to freeze the voltage reading at trip signal time check to see that the HOLD function is active it can be activated by means of the HOLD button 5 If the 0 250 V AC output is considered not sensitive enough one of the following outputs can be selected 0 10 0 40 or 0 100 A Alternatively the voltage can be divided by means of the set of resistors included with the Sverker Pick up and drop out functions U lt ON and U lt OFF 1 Turn on the Sverker current source by acti vating ON with the start switch press the WV key once whe
25. to use manually controlled momentary or time limited generation See explanation of settings in Chapter 5 1 Connect the object being tested to a suitable output 2 Use the button marked A to transfer the ammeter test point to the selected output Activate the HOLD freeze function Activate ON briefly using the start switch Read the current Ea Repeat starting with step 4 until the correct current is set Low currents and good setting resolution You can obtain low currents and good setting resolution by connecting one or more of the resis tors in the Sverker set of resistors in series in the current circuit You can also use these resistors to create a voltage divider thereby reducing the output current Limiting resistors can also be connected into the primary side terminal Rx Cx of the output trans former More over if you want to limit the current without generating heat you can connect the Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 Sverker capacitor only Sverker 750 al though this will change the phase angle of the current Sometimes it is advantageous to use the 0 100 A output when you want low currents since it has the lowest output voltage This low voltage will drive a lower current than any of the other Sverker outputs through a high ohm load or series resistor a Ox Always use the ammeter input for external measure ment when measuring low currents since it provides
26. triggering These inputs are not polarity dependent when voltage is being measured 1 Initial settings OFF Main knob at 0 2 Connect the Sverker start input START to the circuit that is to start measurement 3 Connect the Sverker stop input STOP to the circuit that is to stop measurement 4 Set the start condition to CLOSURE VOLTAGE for example 5 Set the stop condition to CLOSURE CONTACT for example 6 The input state indicator lamp at each input shows whether or not the desired condition is present there before the cycle starts 7 Activate ON TIME using the start switch 8 The timer is now ready to start 50 6 18 Measuring Z P R X VA VAR and COS Sverker can be used to measure these entities even in external circuits Here the currents phase is used as reference For information about phase defini tions see section 6 15 entitled Measuring the phase angle 1 Connect the Sverker ammeter and voltme ter to the current and voltage circuit re spectively 2 Check the AC DC setting See explanation of settings in Chapter 5 3 Set the entity that is to be measured see explanation of settings in Chapter 5 NOTE that the HOLD freeze function can also be used for these measurements Programma Electric AB ZP CDO1E ROSA 6 19 Plotting a magnetization curve Current transformer Since Sverker has an ammeter voltmeter and voltage output it can be used to plot poi
27. within the last 0 5 s held in memory Hold Max Shows the min value in RMS for 1 period within the last 0 5 s held in memory Hold Min 1 Press the SEL button to invoke the se lected option 35 SVERKER 750 760 5 12 Off delay This is used to set the time expressed in mains frequency cycles throughout which generation is to continue after tripping occurs The range is 0 999 cycles The original Programma setting is 4 cycles If no delay is desired set the number of cycles to 0 IMPORTANT To change a numerical value press the CHG button one additional time and then use the arrow buttons Range 000 999 1 Press the SEL button to invoke the se lected option 36 5 13 O0 Level filter To avoid measuring noise that can be encountered during testing Sverker features a well defined lower limit called the 0 level When testingt ground fault protection for example using low currents this difficulty could arise in cases where test values were below the 0 level The 0 level can be set between I and 9 A 0 level of 1 min allows low level signals to pass A 0 level of 9 max filters out most noise A 0 level of 5 is the same as the level provided in the previous version Programma Electric AB ZP CDO1E ROSA 5 14 Save Recall The settings made under the headings options discussed above can be saved in a memory where they will remain even after Sverker has been turned off
28. 4 Trip indicator s u nasnaaalsoobxaustuas 21 4 5 Display Sua aaa eaaa anana aana enere 21 4 6 Ammeter amp voltmeter 22 4 7 AC Voltage source 23 Sverker 150 anara a en E aan 23 Sverker 760 aaaaa eaaa aana nana 23 4 8 Auxiliary voltage source 23 4 9 Make Break contact 24 4 10 Resistor set and capacitor 24 Sverker 790 SN 24 Sverker 760 cua aaa aaa eaaa eaaa eaaa 24 4 11 Power supply Lanark 25 4 12 Other eanet eee 25 5 Making settings on the display 26 HOT ON red 26 5 2 Button functions eaaa nenani 27 5 3 Direction indicator 27 5 4 The menu system 30 5 5 Test Mode vanene 32 5 6 H IGOTIOITsies2ieseeebielebabandiaaglbdebeccbeedsl 32 5 7 Ammeter c 33 5 8 Voltmeter S200 1145606621146 nenen 33 5 9 W VA Extra measurement 34 ST TINGI re 35 EE 35 5 12 Off delay aaaaaaaa aana n anana 36 5 13 0 Level filter aaa 36 5 14 Save RecallLuLuLqQsssarusnssennr 37 5 15 Remote control Las spasmmednnnnni 37 5 16 Language 006022202262 60222 2 38 517 SWN s ase a 38 6 How to operate S201 4 gt VI 701 071777171777 777 7177 77777 77 77 777 177 39 6 1 Go 39 6 2 Injecting current General rules 39 O
29. 5 95 SE 187 29 T BY info programma se C Sweden www programma se Programma Electric AB ZP CDO1E RO5B 3 SVERKER 750 760 Contents 1 Safety regulations 6 2 Introduction 7 2 1 Applications saxssscas a3saosg3ia0822s512sggu328886 7 2 2 Design and construction 8 3 Deserpthon unammmeminissssnmsnjheiejv 9 3 1 General th c ena mes 9 Sverker 750 control panel 9 Sverker 760 control panel 9 3 2 Current source aaa aaa anaa aana nane 10 3 9 TIM ai aaa abaan anak aa baia b akan 11 Start conditions de aeioedaadeae 11 Stop conditions aaranine 11 3 4 Trip indicator s y 22 i221004626ssaieso 12 35 DSP aaa anaa a kanaka ae a Na a e aa 12 3 6 Ammeter amp voltmeter 13 3 7 AC Voltage source 14 Sverker 750 saksana pak anane ihg 14 Sverker 700 a ccecssehecsnceaestacsocasvecnsuans 14 3 8 Auxiliary voltage source 14 3 9 Make Break contact 15 3 10 Resistor set and capacitor 15 3 11 Power supply vaere 16 3 12 Computer interface 16 4 Control panel 17 Sverker 750 control panel 17 Sverker 760 control panel 18 4 2 Current source aaaaaaaea aane 19 4 3 TIMET EEE 20 4
30. 750 760 ammeter panel input marked A You select the desired measurement site test point using the button marked A whereupon a indicator lamp lights at the selected measurement site The voltmeter shows the voltage connected to the voltmeter input marked V on the panel This input is always activated The ammeter and voltmeter both change ranges automatically but they can also be changed manu ally For AC they measure true RMS value You can change from AC to DC and vice versa Note When using AUTO RANGE the measured value can be totally wrong This can happen when a previous value was in another range than the present value Set the correct range see section 9 5 and or repeat the same test again A HOLD freeze function permits you to measure voltages and currents having durations as short as a quarter of the mains cycle When the timer is stopped the current and voltage values are frozen If the timer is not stopped the values present when the current was interrupted are frozen The hold func tion is engaged by pressing the button marked HOLD can sometimes appear during measure ment of high speed AC cycles when the hold function is invoked This means that no value could be presented because the cycle was too short If O F means overflow i e a value beyond the measurement range appears the cycle being measured may have been so fast that there wasn t time for automatic range changing In such case
31. CDO1E ROSA the Sverker display window 7 Repeat the U gt ON TIME DELAY run two or three times to confirm its accuracy through repetition 8 Decrease the voltage to 0 Finishing the test e Enter the values read from the display into the test report e Turn off power to Sverker using the mains switch e Disconnect the equipment Programma Electric AB ZP CDO1E ROSA Read the U gt ON TIME DELAY value from SVERKER 750 760 7 2 Testing over current relays The following functions are to be tested e Pick up functions gt ON and I gt gt ON e Drop out functions gt OFF and gt gt OFF e Operating times gt ON TIME DELAY and gt gt ON TIME DELAY I gt gt l gt 3331 yee 21111 606 00 123 4 A 99 100 5 ae JR OS 6 _ g SVERKER ro Programma DO Test hookup and initial settings I Connect for testing as shown in the above diagram a Connect the Sverker current output to the protective relay equipment b Connect the timer stop input STOP to the relay trip output c If the test current is not too high you can connect one or more resistors into the 55 SVERKER 750 760 current circuit in series Moreover resis tors can be connected into the Sverker Rx Cx terminal Turn on power to Sverker using the mains switch Move the ammeter test point to the de sired current output When measuring low curre
32. MODE 2 Press V down arrow until you get to the bottom where the SW version is displayed If the text PC 750 or SVERKER WIN is shown the Sverker is unlocked If the text is not shown you must order the software key for Sverker Win Art No CD 81000 When ordering you must mention the serial number of the Sverker 750 760 Programma Electric AB 16 ZP CDO1E ROSA SVERKER 750 760 Sverker 750 control panel 36 aes 0000 000000 0 250V 3A AC 0 300V 2A DC OG O 20 220V DC SO Je 0 100A 0 10A 2 START STOP OLD Moe on ox Om OW O O oa re E ae ESC SEL Ot O ON TIME glo psi 9 OON Y O OFF TIME 50V OorF O og br ogramm 7 Programma Electric AB ZP CDO1E ROSA 17 SVERKER 750 760 Sverker 760 control panel 36 32 8 9 1 2 3 0 19 33 10 5 4 6 40A 0 10A 0 3 42 GO O Be 0 250V 3A AC 0 300V 2A DC STO MODE CN O DN fee Esc SEL Fa Ellla oom OFF o TRIP om Q O OFF TIME oom SERIAL el Jo SVERKER 760 amp 00 T oor Program
33. ODE activated The CHG blue text button opens the displayed menu option so that it can be changed Programma Electric AB ZP CDO1E ROSA 4 7 AC Voltage source Sverker 750 0 120V AC 22 JR O re ge Q 22 0 120 V AC Separate independent output for AC voltage Can be varied from O to 120 V using knobs 23 and 24 23 Knob used for fine adjustment of AC voltage 22 24 Knob used for rough adjustment of AC voltage 22 25 0 60 60 120 switch This is used to toggle between the 0 60 V and 60 120 V AC voltage ranges 26 I O ON OFF switch used for the AC voltage source Sverker 760 25 0 120V AC f 22 Av nm 8 ZAA a 22 0 130 V AC Separate independent output for AC voltage 23 Knob used for setting the AC amplitude When not in use set to OFF position 43 Knob used for rough adjustment about 90 steps of the phase angle 44 Knob used for fine adjustment of the phase angle Turn this to 0 position most left to get O phase shift Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 4 8 Auxiliary voltage source 20 220V DC zr Or Fe m 30 O 20 130 130 220 O 27 20 220 V DC Separate independent output for auxiliary voltage DC to the object being tested Can be varied from 20 to 220 V DC using knob 28 28 Knob used for auxiliary voltage 27 29 20 130 130 220 switch This is used to
34. Sverker current source by setting the start switch to the ON position whereupon the ON indicator lamp will light Increase the current to 1 5 x gt ON For an inverse time relay you should conduct three tests at 1 5 2 and 3 x I gt ON thus providing additional test points on the inverse time curve Turn off the Sverker current source by setting the start switch to the OFF position Activate ON TIME by means of the start switch whereupon the timer will start and the current source will start to generate current When the protective relay equipment operates the timer will stop automatically and the current source will be turned off automatically whereupon the TRIP indica tor will start to flash Read the gt ON TIME DELAY value from the Sverker display window For the remaining phases repeat the steps 1 6 as set forth above Pick up and drop out functions for the high current stage gt gt ON and gt gt OFF H Move the connections to the desired current output Select the desired test point for the amme ter This can be done step by step with the A button located to the right of the display window If the protective relay equipment has a separate trip output for gt gt connect it to the timer stop input STOP after having disconnected the trip output of gt Turn on the Sverker current source using the start switch whereupon the ON indica tor lamp will light Increase
35. Sverker is turned on the settings in memory No 0 are recalled as defaults Your default settings i e the settings you want to recall automati cally at turn on time should thus be saved in memory No 0 To save something in or recall something from a memory you proceed via the Save Recall menu option See section 5 13 26 In addition there is a special memory that contains Programma s original Sverker settings These can be recalled whenever you want to use them The original settings are kept in the special memory They are determined by Programma and you cannot change them How to return to the measurement normal mode You can return from the setting mode to the meas urement mode at any time by pressing the ESC button Note however that you may sometimes have to press this button twice depending on where you are in the menu Programma Electric AB ZP CDO1E ROSA 5 2 Button functions START STOP HOLD MODE ON OM ON OJO O o l CHE ESC SEL OF O Oo S ama U Y ae Button OON TIME OOFF Function in setting mode MODE activated Opens a menu option so that it can be changed If a numeric value is to be changed a cursor appears which can be moved by pressing the 7 button or A button ESC Leaves the menu option unchanged and moves to menu level 1 If you are already on menu level 1 pressing ESC causes Sverker to leave the
36. W uren 38 T Test MO ak aka diabet dn baa a dem Ba a timer sends 32 Testing directional over current relay 57 Programma Electric AB ZP CDO1E ROSA Testing motor overload releases 64 Testing overcurrent relays 55 Testing power relays rrrrnrrrrnrrrrrrrrrrrrrvrvnnnnnnn 60 Testing under voltage relays 62 Testing voltage relays 54 TTNG aga ea ana DE kae DAN S aa Ega Da aa 42g 11 20 35 Start conditions 11 Stop conditions 11 Trip indicator oo adana anaa ake aaa aa a 12 21 Trip pulse length rrrrrrrrrrrrnrrrrrrrrrnrnrrrnrnnrnnnnnner 53 Troubleshooting sissioni a a ag aa E naa 65 U Undervoltage relaysS c5 lt lt lt lt lt lt lt 2 62 V Voltage relays S2 47 54 Voltage source xxx 14 23 Voltmet rr kedisini 13 22 33 Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 75 SVERKER 750 760 Programma Electric AB 76 ZP CDO1E ROSA Y S D al 0 Subject to change without notice Printed matter ZP CDO1E RO5B 2007
37. ad and comply with the following instructions Always comply with local safety regula tions The Sverker 750 760 is equipped with a mains plug having a third earthing grounding pin This plug will only fit into an earthing grounding type power outlet AN WARNING FIRST OF ALL connect protective earth ground Use the green yellow cable NEVER connect the Sverker 750 760 to an external voltage if the protective earth ground is not connected Always use safety connecting leads Always turn the Sverker 750 760 off before connecting Generated voltages and currents may be harmful to the operator or the device under test The Sverker 750 760 should be oper ated only from the type of power source indicated on its nameplate Never spill water or other liquid of any kind on the Sverker 750 760 Unplug the Sverker 750 760 from the wall outlet before cleaning Use damp cloth for cleaning Do not use liquid cleaners or aerosol cleaners Do not use auxiliary equipment not recommended by the Sverker 750 760 manufacturer since this may cause hazards Do not attempt to service the Sverker 750 760 yourself Opening or removing covers may expose you to dangerous voltage and other hazards IMPORTANT For added protection during a lightning storm or when the Sverker 750 760 is left unattended and unused for long periods of time unplug it from the wall outlet This will prevent damage due to lightning and power li
38. ake break contact 1 Connect the voltmeter input to the 0 250 V output Activate ON using the start switch Set the voltage that corresponds to the pre fault voltage 2 Set the start switch to OFF 3 Connect the voltmeter input to the 0 120 V AC voltage source Turn on the AC voltage source and set the voltage that corre sponds to the fault voltage 4 Turn off the AC voltage source 47 SVERKER 750 760 5 Connect together the terminals marked with black dots on the 0 250 V output and on the AC voltage source From this junc tion make a connection to one side of the relay s voltage input 6 Connect the left hand socket terminal on the 250 V output to the upper left hand socket terminal on the make break contact the one that performs a break function 7 Connect the left hand output socket termi nal on the AC voltage source to the upper right hand socket terminal on the make break contact the one that performs a make function 8 Connect the lower left hand socket terminal on the make break contact to the other side of the relay voltage input 9 Make certain that the relay tripping output is properly connected to Sverker 10 Activate ON using the start switch where upon the pre fault voltage will be applied to the relay 41 Turn on the AC voltage source 12 Activate OFF TIME using the start switch whereupon fault voltage will be applied to the relay and timing will start 13 Read the time at w
39. asuring Sverker must be set to the ON TIME state whereupon the timer will also be cleared to zero Clearing the timer The timer will be cleared to zero when generation starts again Testing automatic reclosing devices A setting must be made via the display window before you can test automatic reclosing devices ON TIME is lighted throughout the entire cycle Generation starts again each time the timer s start input is activated LA SVERKER 750 760 3 4 Trip indicator When the stop condition is met the TRIP indicator is lighted This lamp indicates tripping of the relay protection equipment When a test includes timing this indicator lamp flashes when tripping occurs 12 3 5 Display Current voltage and other entities can be shown on the display The display window is also used to make settings To do this you must put Sverker in the setting mode by pressing the button marked MODE Programma Electric AB ZP CDO1E ROSA 3 6 Ammeter amp voltmeter Sverker is equipped with an ammeter and voltmeter These instruments can also be used to display resistance impedance phase angle power and power factor Moreover these instruments can be used to perform measurements in external circuits In both cases the values appear on the display The ammeter measures one of the following e Current at one of the current outputs 0 100 A 0 40 A or 0 10 A e Current in an external circuit connected to the Sverker
40. ay Plotting excitation curves Current and voltage transformation ratio tests Burden measurement for relay protection equip ment Impedance measurement Efficiency tests Polarity direction tests Time delay relay Other applications Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 2 2 Design and construction The current source built into Sverker can provide 0 10 A 0 40 A 0 100 A 0 250 V AC or 0 300 V DC Timing and generation output can be carried out simultaneously When the relay protec tion equipment trips both output and timing are interrupted Note The current output depends on the burden of the relay circuit This means that it is possible to get high output currents over the maximum measure ment range of 250 A There is also a separate built in AC voltage source It can be varied from 0 to 120 V AC and it is used to supply the relay voltage input A 20 220 V DC voltage source is used to provide auxiliary voltage Using transformer technology in Sverker design gives both advantages and disadvantages One disadvantage is that the quality of the output signal is depending on the quality of the input voltage if the main voltage is distorted the output signal will also be distorted Sverker is equipped with a timer ammeter and voltmeter and these instruments can also be used to indicate resistance impedance phase angle power and power factor Moreover the
41. cates that the range being used has been exceeded One possible cause is that the measurement cycle proceeded to rapidly to permit the range to be switched automatically No value can be displayed This occurs for example in connection with cycles that are much too fast Internal fault in Sverker Internal fault in Sverker You should thus repeat the measurement Since range switching data is stored ina memory your second try may very well be successful Select another start condition Select another stop condition Contact your closest Programma representative Contact your closest Programma representative Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 9 1 General The following specifications are for an ambient temperature of 25 C 77 F and nominal input voltage Sverker is designed to comply with EU standards as set forth in IEC 1010 and also with EU EMC directives The specifications are subject to change without notice Maximum load times for different currents Recovery time minimum minutes Tewes ime EA HE omas m omme oo omme sawe s h ng a omas m Somnus fo SG ENE je eseme fio fe fomes fi rs fome fa fe emes Programma Electric AB ZP CDO1E ROSA The voltage outputs of the current source Range Noload FulHoad Full load Full load Recovery voltage voltage current time ti
42. ccurs O F range overflow is displayed constantly For more information about the different ranges see Chapter 9 Specifications Menu option Alternative Explanation AC Alt 1 Ammeter measures AC as true RMS DC Alt 2 Ammeter measures DC as mean value Current is shown in amperes Unit Ampere Alt 1 Unit of Alt 2 Current is shown as of nom the nominal current which can range from 1 to 999 A Nom I Nominal current setting 001A Range Auto Alt 1 Range selected automatically Range Low Alt 2 Fixed low range Range High Alt 3 Fixed high range 1 Press the SEL button to invoke the se lected option Programma Electric AB ZP CDO1E ROSA Menu option Alternative Explanation AC Alt 4 Voltmeter measures AC as true RMS DC Alt 2 Voltmeter measures DC as mean value Shunt 1 999 mQ Value is shown as A or kA Unit Volt Alt 4 Voltage is shown in volts Unit of Alt 2 Voltage is shown as a nom U of the nominal voltage which can range from 1 to 999 V Nom U Used to set the nominal 063 V voltage Range Auto Alt 1 Range selected automatically Range Low Alt 2 Fixed low range Range Mid Alt 3 Fixed mid range Range High Alt 4 Fixed high range 1 Press the SEL button to invoke the se lected option 33 SVERKER 750 760 590Q 0 W VA Extra measurement
43. ctivated The gt button provides a move to the right on the display Programma Electric AB ZP CDO1E ROSA 4 4 Trip indicator 15 TRIP indicator This indicates that the object being tested has tripped The fact that tripping occurred indicates that the conditions imposed at the timer s stop input item 14 are met This indication does not occur unless the object being tested is connected to the stop input 15 Steadily glowing indicator lamp Indicates tripping when the test is being conducted without timing start switch at the ON position Flashing indicator lamp Indicates tripping when the test is being conducted with timing start switch at the ON TIME or OFF TIME position It also indicates that timing is completed Sverker then returns automatically to the OFF state You can reset the flashing indicator lamp by pressing the button marked HOLD item 21 twice Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 4 5 Display 16 Display MODE st 17 Button marked MODE This button changes the display from the measurement mode normal mode to the setting mode and vice versa Note In the setting mode MODE activated The ESC blue text button leaves the present menu option unchanged and proceeds to the next higher menu option 21 SVERKER 750 760 4 6 Ammeter amp voltmeter 2000 HOLD moe A O WV 600V CHG ESC SEL 18 Input marked A This is the external panel
44. e ammeter can be set to measure AC or DC AC readings are expressed as true RMS values while DC readings are mean values Readings can be expressed in amperes or percent ages of the nominal current which can be set from I to 999 A These choices are called units on the menu IMPORTANT To change a numerical value you press the CHG button one additional time and then use the arrow buttons The range can be set to Auto or to Fixed low or Fixed high The fixed ranges are useful for short measurement cycles during which the ammeter doesn t have time to change range automatically If this occurs O F range overflow is displayed constantly For more information about the different ranges see chapter 9 headed Specifications SVERKER 750 760 5 8 Voltmeter This option is used to make settings for the Sverker voltmeter The voltmeter can be set to measure AC or DC AC readings are expressed as true RMS values while DC readings are mean values Readings can be expressed in volts or percentages of nominal voltage which can be set from I to 999 V These choices are called units on the menu IMPORTANT To change a numerical value you press the CHG button one additional time and then use the arrow buttons The range can be set to Auto or to Fixed low Fixed mid or Fixed high The fixed ranges are useful for short measurement cycles during which the voltme ter doesn t have time to change range automatically If this o
45. e button marked A to transfer the ammeter test point to the selected input SEL The internal inputs are used to measure the current generated by Sverker The external input is used to measure current in an external circuit If so desired however it can be used for measurement of current from Sverker This is useful since ammeter accuracy is highest when measurement proceeds via the external input The external input can be used for currents of up to 6 A The HOLD freeze function makes it possible to measure currents of very short duration Activate it by pressing the button marked HOLD See the section headed Ammeter and voltmeter in Chap ter 3 HOLD O CHG Programma Electric AB ZP CDO1E ROSA 6 5 Setting the desired current 1 Connect the object being tested to a suitable output on Sverker 2 Use the button marked A to transfer the ammeter test point to the selected current output or to the external ammeter panel input Activate ON using the start switch 3 A OON TIME OOFF OON v O OFF TIME 4 Adjust the current using the main knob The current can be read from the Sverker display High currents High currents may overheat both the object being tested and Sverker You can prevent overheating by generating currents of very short duration Short duration currents can be read very easily using the ammeter s HOLD freeze function The best way to generate short duration currents is
46. e im prints CHG ESC and SEL apply only when Sverker is in the setting mode The panel markings HOLD MODE and A apply when Sverker is in its normal mode i e the measurement mode 25 SVERKER 750 760 5 1 Introduction There are a number of ways to make Sverker settings In addition to using the buttons and other controls on the control panel you can make settings via a menu shown on the display To proceed via this menu however you must first put Sverker in the setting mode How to enter the setting mode Before you can change from the measurement mode normal mode to the setting mode Sverker must be in the OFF state To enter the setting mode you press the button marked MODE Display shown in the setting mode When Sverker is in the setting mode two lines appear in the window The menu heading appears on the first line and the selected menu option appears on the second line between lt and gt charac ters Memories Your default settings and the original Sverker settings You can save settings that have been made via a menu This can be useful when for example you want to prepare settings in advance to make it easier to test different types of protective relay equipment Saved settings remain in the memory even after the Sverker has been turned off Since ten memories are available for this purpose you can save settings for up to ten different types of protective relay equip ment Each time
47. e measured for AC e cos e in with current as reference lref Uref Impedance and power measurements For these measurements the result is calculated using 2 or 3 items The measurement error obtained depends on the measurement errors for the items included U I and sometimes Range X represents one of Resolution the items listed below 000 999 mX 0 001 e in with voltage as reference For AC the following items X above can be measured e Z Q and e Z Q R and X Q and Q P W S VA Q VAr For DC the following items X above can be measured e R Q e P W 7 4 SVERKER 750 760 9 6 Other Injection Maintained Injection continues without any time limitation Momentary Injection continues only as long as be button is kept depressed Minimum momentary injection time is 0 1 s Max time Injection stops automatically when the preset maximum time is reached Max injection time 99 9 s Resolution at max time 0 1 s Filtering If filtering was selected five successive readings are averaged The following can be filtered e Current e Voltage e Extra items that are measured Off delay The turning off of generation can be delayed after tripping throughout a specified time interval that is expressed in mains frequency cycles Max off delay 999 mains frequency cycles Resolution at max off delay 1 cycle Memories There are four memories nu
48. en the numerical value for change b A cursor that indicates which digit can be changed appears beneath the rightmost digit 27 SVERKER 750 760 c You press the W button nine times to step from 99 9 down to 99 0 and then move it one step to the left by pressing the lt button d Press the W button four times to step from 99 0 down to 95 0 The numerical value is now set as desired but to invoke it you must press the SEL button 28 Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 Programma Electric AB ZP CDO1E ROSA 29 SVERKER 750 760 5 4 The menu system Menu level 1 Menu level 2 options Explanation Test mode Normal Measures time from START to STOP Trip pulse time Measures time from START to STOP and also the duration of the trip pulse Reclose 01 999 s Sets time for reclosing Max 49 reclosings The total time for the specified number of reclosings can range from 001 to 999 s Injection Maintained Generation continues without time limit Momentary Generation continues while button is kept pressed Max time 99 9 s Generation continues throughout a preset interval that can range from 00 1 s to 99 9 s External start See section 5 6 Ammeter AC Measures AC true RMS DC Measures DC mean value Unit Ampere Expressed in amperes Unit of nom Expressed as of nominal current Nom I 001 A Used to set nominal current Range Auto Range selected automatically Ran
49. etting 7 Activate ON using the start switch If you want to check the time you can activate ON TIME instead of ON 8 Check to see that the instantaneous unit has operated This can be done by a checking the indicator lamp on the relay or b checking to see that the TRIP indicator lamp on Sverker is on 9 Read the current 10 Search for the lowest current where the relay operates by repeating from point 6 above and onwards Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 6 7 Finding pick up and drop out limits for under current voltage other entity relays 1 2 Initial settings OFF HOLD Main knob at O Connect the relay input and tripping output to Sverker Use the button marked A to transfer the ammeter test point to the current output that is being used Set the timer stop condition to CLOSURE OPENING CONTACT for example Activate ON using the start switch Increase the entity current or voltage being tested until it exceeds by an ample margin the value of the relay setting Turn the main knob anti clockwise until the relay trips Read the pick up value Turn the main knob clockwise until the relay drops out Read the drop out value Interrupt output by setting the start switch to OFF 43 SVERKER 750 760 6 8 Measuring operating times for over current voltage other entity relays Method 1 Normal injection Generation continues until the protective relay equipment o
50. ge Low Fixed low range Range High Fixed high range Voltmeter AC Measures AC true RMS DC Measures DC mean value Shunt 1 999 mQ Default shunt value is 100 mQ Displayed value is shown in A or KA Unit Volt Expressed in volts Unit of nom U Expressed as of nominal voltage Nom U 063 v Used to set nominal voltage Range Auto Range selected automatically Range Low Fixed low range Range Mid Fixed mid range Range High Fixed high range Q 0 W VA None No extra measurement function displayed Z Q Impedance magnitude phase angle Z Q Impedance magnitude R X Q Q Resistance and reactance magn and magn P W Active power S VA Apparent power Q VAr Reactive power cos Power factor lref Phase difference current as reference Uref Phase difference voltage as reference Timer Unit Seconds Time expressed in seconds Unit Cycles Time expressed in mains frequency cycles Display Slow Average value filter enabled thereby stabilizing the display 10 values are used to create the average Phase difference is not filtered Fast Average value filter disabled Hold Trip Shows the max value in RMS for 1 period immediately before tripping Hold Max Shows the max value in RMS for 1 period within the last 0 5 s held in memory Hold Min Shows the min value in RMS for 1 period within the last 0 5 s held in memory Off delay Cycles 004 Mains frequency cycles throughout which generation is to con
51. he display U and P or Q 4 If the freeze function has been activated press the HOLD button twice to unfreeze the value shown 5 Decrease the current until drop out occurs P gt OFF or Q gt OFF whereupon the TRIP indicator will be extinguished 6 Read the P gt OFF or Q gt OFF value from the display window 7 Decrease the current to O 8 Turn off the Sverker current source by setting the start switch to the OFF position Operating times P gt ON TIME DELAY or Q gt ON TIME DELAY 1 Turn on the Sverker current source by set ting the start switch to the ON position whereupon the ON indicator lamp will light 2 Increase the current to 1 5 x P gt ON 3 Turn off the Sverker current source by setting the start switch to the OFF position 4 Activate ON TIME by means of the start switch whereupon the timer will start and the current source will start to generate current 5 When the protective relay equipment oper ates the timer will stop automatically and the current source will be turned off auto matically whereupon the TRIP indicator will start to flash 6 Read the ON TIME DELAY value from the Sverker display 61 SVERKER 750 760 7 Repeat the U gt ON TIME DELAY run two or three times to confirm its accuracy through repetition 8 Decrease the current to O Finishing the test 41 62 Enter the values read from the display into the test report Turn off power
52. hich the relay operated 48 6 15 Changing the current and voltage phase difference Sverker 750 Using the built in capacitor and set of resistors you can change the phase difference between current and voltage You can connect the phase changing components at either the current output or voltage output TIP It is easiest to change the phase angle of the entity current or voltage having the lowest power The capacitor can be connected in series with the current output if the current is not excessively high This provides almost a 90 phase displacement of the current The phase angle is determined by the phase changing components and the load Since changing the phase angle also causes the current voltage to change you must first adjust the phase angle and then set the current voltage If possible use the ammeter s external panel input to measure the phase angle since this will provide better accuracy and lower currents Sverker 760 1 Connect the AC voltage output 22 to the voltmeter Note Connect the output marked with the black dot to the black input on the voltmeter 2 Select Iref or Uref see section 5 9 Extra measurement 3 Set the amplitude of the AC voltage with the knob 23 4 Generate a low current to make it possible to measure the phase angle 5 Set the phase angle by using the knobs 43 and 44 Programma Electric AB ZP CDO1E ROSA 6 16 Mea
53. inishing the test 1 Enter the values read from the display into the test report 2 Turn off power to Sverker using the mains switch 3 Disconnect the equipment 6 V j g e Nm hoganma JO P Active power a 0 Q Reactive power a 90 phase shifting capacitor in current circuit Programma Electric AB 60 ZP CDO1E ROSA The following functions are to be tested e Pick up function P gt ON or Q gt ON e Drop out function P gt OFF or Q gt OFF e Operating time P gt ON TIME DELAY or Q gt ON TIME DELAY e Sensitivity depends on phase angle Make a note of the relay setting data U I and time delay as well as P or Q If so desired calculate the operating drop out values that are of interest P U I cosgorQ U I sing Test hookup and initial settings 1 Connect for testing as shown in the above diagram a Connect the Sverker separate 0 120 V AC voltage source to the protective relay equipment voltage input b Connect the Sverker current source to the protective relay equipment current input c Connect the timer stop input STOP to the protective relay equipment trip output d Also connect the separate 0 120 V AC voltage source to the voltmeter input e If low currents are to be measured connect the current source to the separate ammeter panel input 2 Turn on power to Sverker using the
54. input to the Sverker ammeter It is acti vated by pressing the button marked A item 19 which is located at right beneath the display window The indicator lamp adjacent to this input is lighted to indicate that the input is activated F4 6A Miniature circuit breaker for the ammeter 19 Button marked A at right beneath the display window This button is used to transfer the ammeter test point to current outputs 1 2 3 or to select the external panel input to the Sverker ammeter item 18 The current value is shown on the display Note In the setting mode MODE activated The SEL blue text button selects the menu option that is displayed 20 20 Input marked V This is the input to the Sverker voltmeter and it is always acti vated The voltage value is shown on the display 21 Button marked HOLD This button freezes the prevailing current and voltage values when the object being tested is tripped or when generation stops If tripping does not occur the prevailing value is frozen when Sverker changes to the OFF state The hold freeze function is toggled on and off by pressing this button When you turn the hold function off the flashing trip indicator 15 is reset Moreover Sverker senses the state of timer stop input 14 STOP thus making it possible to respond if a change occurs at this input This is valid only while the input is in change sensing state b c see item 14 22 Note In the setting mode M
55. lowed current through the separate ammeter used in this connec tion example is 6 A The other measure ment points do not have this limitation 4 Press the MODE button 5 Use the key to select Q W VA 6 Press CHG Change 7 Select Iref or Uref by using the key W 8 Press SEL Select 9 Press ESC 10 Set the voltage amplitude with the upper small knob 11 Make sure the main knob is set to 0 12 Turn on the SVERKER output by activating ON using the start switch W 13 Set the phase angle Use the lower knob for fine adjustment and the middle knob for step of 90 Note A small current flowing in the circuit is required to measure the phase angle 14 Increase the current until the relay oper ates pick up Read the value Press the HOLD button twice to reset the display 15 Decrease the current until the relay drops out Read the value 58 Testing the operation time 16 Increase the current to 1 5 times the pick up value 17 Invoke the ON TIME state by means of the start switch The outputs will now remain turned on until the protective relay equip ment operates 18 Read the time from the display Check also the high current setting using the same procedure Sverker 750 The following functions are to be tested e Pick up functions gt ON and U gt ON Drop out functions gt OFF and U gt OFF e Operating time gt ON TIME DELAY
56. mains switch 3 Activate the desired stop condition for the timer by setting the stop input for a make and or break function and for a live or dead contact 4 Activate extra measurement of P or Q by calling up and using a menu on the display as follows MODE Q 9 W VA CHG W P W or Q VAr SEL ESC whereupon the following will be shown on the display ms A V mW 5 Select the desired voltage range 0 60 or 60 120 V for the separate AC voltage output by pressing the left button beneath the output 6 Activate the AC voltage output by pressing the right button beneath the output Then set the voltage 7 Move the ammeter test point to the desired current output or to the separate ammeter panel input This can be done step by step Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 with the A button located to the right of the display window When a test point is selected its indicator lamp lights Pick up and drop out functions P or Q gt ON and P or Q gt OFF 1 Turn on the Sverker current source by acti vating ON with the start switch press the WV key once whereupon the ON indicator lamp will light 2 Increase the current until operation takes place P gt or Q gt ON whereupon the Sverker TRIP indicator will glow steadily If operation does not take place reverse the polarity of the protective relay equipment voltage circuit 3 Read the P gt ON or Q gt ON value on t
57. mbered 0 through 3 Languages The menus prompts etc can be expressed in one of five languages English German French Spanish or Swedish 72 Set of resistors Resistor obmage Mmamm Capacitor Sverker 750 Capacitance 10 uF Max voltage 450 V AC Mains Mains voltage Max Input Rated mains current frequencies 230 V AC 10 ea 50 60 Hz 115VAC 10 12A 50 60Hz Weight Sverker 750 Sverker 760 17 3 kg 38 1 Ibs 17 9 kg 39 5 Ibs 8 0 kg 17 6 Ibs Dimensions 350 mm 13 8 610 mm 24 0 275 mm 10 8 350 mm 13 8 pen 270 mm 40 87 ent 220mm eT Ambient temperatures During use 0 to 50 C 32 to 122 F During transportation 40 to 70 C 40 to 158 F Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 10 1 Changing the position of the switch for mains frecuency Sverker 760 1 Disconnect Sverker 760 from the mains 2 Remove the 8 screws on the bottom of Sverker 760 3 Lift the hood about 5 cm 2 inches 4 Set the switch to the right position see picture below Programma Electric AB ZP CDO1E ROSA 73 SVERKER 750 760 Symbols O L vel filter iusan naa eaaa neii fen 36 A AC Voltage source 14 23 Ammeter anana een nenen nane ky 33 Ammeter amp voltmeter 13 22 Application examples lt lt
58. me 6 20 220V DC 18 Programma Electric AB ZP CDO1E ROSA 4 2 Current source 00A 0 0 10A T2 o 250V 3A Al 0 300V 2A DC Neutral for current sources 0 100 A current output Regulated with main knob 7 PE 2 0 40 A current output Regulated with main knob 7 3 0 10 A current output Regulated with main knob 7 4 Indicator lamp ammeter test point When this indicator lamp is lighted Sverker is measuring current at the associated output To change the measurement site press the button marked A item 19 5 0 250 V 3A AC AC voltage is variable from O to 250 V Regulated with main knob 7 6 0 300 V 2 A DC DC voltage is variable from O to 300 V Regulated with main knob 7 7 Main knob Used to regulate the current source outputs 1 2 3 5 and 6 8 Indicator lamp When this indicator lamp is lighted the current source is activated outputs 1 2 3 5 and 6 9 F2 Miniature circuit breaker for the current source 4 A 230 V 8 A 115 V 10 R C Connector for resistor or capacitor To obtain a smoother characteristic con nect one or more resistors in series To change the phase angle 90 on Sverker 750 connect the capacitor A jumper must be connected to this connector when it is not being used 11 Start switch Turns the current source on and off Use the T and J buttons to select the desired mode Programma Electric AB
59. me minimum minimum maximum maximum minimum 0 250 V 290 V 250 V 3A 10 45 AC AC AC AC minutes minutes 0 300 V 320 V 250 V 2A 10 45 DC DC DC DC minutes minutes The DC voltage output provides rectified smoothed AC The maximum current should not be used while any of the current outputs are being used NOTE Time limited max time generation should be used for times shorter than 1 minute Separate AC voltage source This output is protected by a PTC resistor Moreover it is equipped with two 400 V transient voltage suppressors transils One is located between the output contacts and the other between the output contact marked with a dot and ground earth Sverker 750 Range No load Full load Full load V AC voltage voltage current min V AC min V AC max A AC 0 60 70 0 25 steps of 10 V 60 120 130 120 0 25 steps of 10 V Sverker 760 No load Full load Full load voltage voltage current min V AC min AC max A AC 0 25 continuously 0 35 1 minute Phase Resolution Accuracy angle oe fe Je Range V AC 0 130 67 SVERKER 750 760 Auxiliary DC voltage output Range Voltage Max current V DC V DC mA DC 20 130 355 130 220 325 The auxiliary voltage output is stabilized and also shortcircuit proof Moreover it is equipped with two 400 V transient voltage suppressors transils One is located between the output contacts and the other between
60. mixed measurement No choice Explanation No extra measurement function displayed 1 Press the SEL button to invoke the se lected option Programma Electric AB ZP CDO1E ROSA 5 10 Timer Here you select the unit in which the time displayed in the window by the timer is expressed Time measurements can be expressed in seconds s or in mains frequency cycles Menu option Alternative Explanation Unit Alt 1 Time expressed in Seconds seconds Unit Cycles Alt 2 Time expressed in mains frequency cycles 1 Press the SEL button to invoke the se lected option Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 5 11 Display If the values shown on the display become unstable as measurement proceeds you can filter them Filtering is accomplished by averaging and it affects all displayed values except time values You can measure using very short time settings down to a minimum of 1 2 period 10 ms at 50 Hz Extra measurement functions such as R and X can now be calculated after finishing a test after a HOLD trip Menu option Explanation Slow Average value filter enabled thereby stabilizing the display 10 values are used to create the average Phase difference is not filtered Fast Average value filter disabled Hold Trip Shows the max value in RMS for 1 period immediately before tripping Shows the max value in RMS for 1 period
61. n the control panel Indication Mode ae Voltage mode Detects if voltage is applied or not Contact mode Detects if circuit is closed or not Select either the voltage mode or the contact mode using the rightmost of the two blank faced buttons located under START on the control panel 13 Indicator lamp This lamp indicates the state of the timer input When this indica tor lamp is lighted voltage is present at the input voltage mode or the circuit is closed contact mode 14 STOP input This is used to stop the timer Max 250 V AC or DC The time is shown in the display 20 Indication Condition required for timer stop INT a Internal Used when ON TIME or OFF TIME is selected t b When voltage is applied or when a contact is closed oo c When applied voltage vanishes or when a contact is opened f 4 d When the state of the input changes Select the desired option using the button blue It is the leftmost of the two buttons located under STOP on the control panel In the setting mode MODE activated The button provides a move to the left on the display Indication Mode ONY Voltage mode Detects if voltage is applied or not Contact mode Detects if circuit is closed or not Select either the voltage mode or the contact mode using the button blue It is the rightmost of the two buttons beneath STOP on the control panel In the setting mode MODE a
62. n value The input is protected by a PTC resistor and input resistance Rin is 220 kQ The values specified below are for measurement intervals times longer than 100 ms The measure ment error is greater for shorter measurement intervals Programma Electric AB ZP CDO1E ROSA Specifications for voltage displayed in volts Range Resolution Accuracy of reading mV 6 V AC 0 00 5 999 V AC 1 10 mV 10 mV AC 60 V AC 6 00 59 99 V AC 1 20 mV 10 mV AC 1 200 mV 600 VAC 60 00 99 99 V AC 10 mV AC 100 0 599 9 V AC 100 mV AC 6V DC 0 00 5 99 V DC 0 5 10 mV 10 mV DC 6 00 59 99 V DC 0 5 20 mV 10 mV DC 60 00 99 99 V DC 10 mV DC 600 V DC 100 0 599 9 V DC 0 5 200 mV 100 mV DC Specifications for voltage displayed as a percentage of a presettable nominal value Resolution Resolution Percentage Nominal value 000 999 1 000 999 A 1A Reclosing test Resolution at max testing time Maximum number of reclosings Max testing time for all reclosings 49 times Extra measurements Power factor and phase angle measurements The following specifications are for voltages and current readings that are higher than 10 of the selected range item and unt Range Resoton accuracy Power factor 0 99 cap to 0 01 0 04 coS 0 99 ind 9 Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 The following items can b
63. ne surges If for some reason you need to return your Sverker 750 760 please use either the original transport box or one of equivalent strength Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 2 1 Applications Sverker 750 760 is intended primarily for testing relay protection equipment but it can also be used for many other purposes Virtually all single phase relay protection equipment that does not require variable frequency can be tested and Sverker 750 760 can also test three phase relay protection equipment that can be tested phase by phase Moreover many relay protection systems that require phase shifting can be tested Items that can be tested using Sverker 750 760 include Type of relay IEEE standard code Overcurrent relay 50 76 Inverse time overcurrent relay 51 Undercurrent relay 37 Ground fault relay 50 Directional overcurrent relay 67 Directional ground fault relay 67N Overvoltage relay 59 Undervoltage relay 27 Directional voltage relay 91 Directional power relay 32 Power factor relay 55 Differential protection differential circuit 87 Distance protection equipment phase by phase 21 Negative sequence overcurrent relay AGN Motor overload protection 51 86 Automatic reclosing devices 79 Tripping relays 94 Voltage regulating relay Overimpedance relay Z greater than Underimpedance relay Z less than Thermal rel
64. ntended primarily for the relay protection equipment s voltage input 14 3 8 Auxiliary voltage source The auxiliary voltage source provides 20 220 V DC split into two ranges It is equipped with overcurrent protection and it is separate from the other outputs Moreover it can be used to supply the relay being tested Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 3 9 Make Break 3 10 Resistor set and contact capacitor There is a make break contact that is actuated when The resistor set and capacitor can be used to change Sverker 750 is set to the ON TIME or OFF TIME the phase angle of the current and voltage state It can be used for example to synchronize sous Ghee Som cen ENENG am man is a other equipment or to change the voltage supplied to Ng te There is no capacitor on the Sverker the relay protection equipment at the start of a test 760 The phase angle is set with the from non faulty to faulty or vice versa knob at the AC voltage source Programma Electric AB ZP CDO1E ROSA 15 SVERKER 750 760 3 11 Power supply 3 12 Computer The power supply is equipped with a miniature inte rface circuit breaker Sverker has a serial port for communication with computers and the Sverker Win software To be able to use the Sverker 750 760 with the software Sverker Win the Sverker 750 760 must be unlocked with a software key You can check if your Sverker is unlocked by doing the folowing 1 Press
65. nts less than 6 A use the separate ammeter input for better accuracy This can be done step by step with the A button located to the right of the display window When a test point is selected its indicator lamp lights Activate the desired stop condition for the timer by setting the stop input for a make and or break function and for a wet or dry contact If the display window is to freeze the current reading at the instant of operation check to see that the HOLD function is active it can be activated by means of the HOLD button Pick up and drop out functions gt ON and I gt OFF 41 56 Turn on the Sverker current source by activating ON with the start switch press the key once whereupon the ON indica tor lamp will light Increase the current carefully by turning the main knob until the protective relay equip ment operates gt ON whereupon the Sverker TRIP indicator will start to glow steadily Read the I gt ON value from the Sverker display window If the freeze function has been activated press the HOLD button twice to unfreeze the value shown Decrease the current until drop out occurs I gt OFF whereupon the TRIP indicator will be extinguished Read the gt OFF value from the Sverker display window Decrease the voltage to O Turn off the Sverker current source by setting the start switch to the OFF position Operating function gt ON TIME DELAY 41 Turn on the
66. nts on a current transformer magnetization curve IMPORTANT Be sure to comply with the applicable safety regulations and never exceed any insulation voltage limits 1 Initial setting OFF Main knob at 0 2 The primary side of the current transformer must be open and the secondary side must not be connected to any other circuit 3 Connect the Sverker voltage output to the secondary side of the current transformer One side of this voltage output must be connected via the Sverker ammeter input If a voltage higher than 250 V is needed proceed as instructed in section 6 11 entitled Generating higher voltages 4 Connect the Sverker voltmeter input to the Sverker voltage output 5 Use the button marked A to transfer the ammeter test point to the panel input used for measurement in external circuits 6 Activate ON using the start switch Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 Turn the knob clockwise and read the current and voltage for different points on the curve When the knee of the curve is reached slowly lower the voltage and set the start switch to OFF 51 SVERKER 750 760 6 20 Testing an automatic recloser Recl signal output Breaker state signal input Trip 0000 Oo If panel ammeter is used y OOO e 00 9 6 0000 OG oG a ge 100100 gg BOO a Opaea z er O og Te g ef Je orana 2
67. perates 1 Initial setting OFF HOLD Main knob at 0 2 Connect the relay current input and tripping output to Sverker 3 Use the button marked A to transfer the ammeter test point to the selected output 4 Set the timer start condition to INT 5 Set the timer stop condition to CLOSURE OPENING CONTACT for example 6 Activate ON using the start switch Set the desired current for measuring the operating time This current must be set well above the operating limit 7 Interrupt output by setting the start switch to OFF 8 Activate ON TIME using the start switch 9 Read and note the time and current Method 2 Manually controlled momentary injection This is useful when you want to eliminate overheat ing in the relay Generation continues only as long as the start switch is kept at the ON position 1 Initial settings OFF MOMENTARY see explanation of settings in Chapter 5 HOLD Main knob at O 2 Connect the relay s current input and tripping output to Sverker 3 Use the button marked A to transfer the ammeter test point to the output that is being used 4 Set the timer start condition to INT 5 Set the timer stop condition to CLOSURE OPENING CONTACT for example 6 Set the desired current it must exceed the pick up value by an ample margin by changing the setting of the main knob 44 Activate ON briefly using the start switch and read the current from the ammeter Repeat until the de
68. play the results later The inputs can be set individually to respond either to zero potential contact operation or to a voltage AC or DO Input state indicators At each timer START and STOP input there is an input state indicator lamp that indicates the state of the input When the indicator lamp is lighted it indicates either a closed circuit for contact mode or the presence of a voltage for voltage mode These indicators permit you to for example check the circuits involved before starting a test sequence Start conditions The timer can be started in the following ways Indication Start condition INT a When an internal start occurs i e for a test sequence started by Sverker ON TIME or OFF TIME t b When a voltage is applied to the start input or when a contact is closed c When a voltage applied to the start input vanishes or when a contact is opened t d When the state of the input changes Stop conditions The timer can be stopped in the following ways Indication Stop condition INT a When an outgoing current is inter rupted internal detection t b When a voltage is applied to the stop input or when a contact is closed te c When a voltage applied to the stop input vanishes or when a contact is opened 4 d When the state of the input changes Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 Measuring an external cycle Before me
69. reupon the ON indicator lamp will light 2 Increase the voltage to 1 1 1 2 x the relay voltage setting 3 Decrease the voltage until operation occurs U lt ON whereupon the Sverker TRIP indicator will start to glow steadily 4 Read the U lt ON value from the display window 5 lf the freeze function has been activated press the HOLD button twice to unfreeze the value shown 6 Increase the voltage until drop out takes place U lt OFF whereupon the TRIP indicator will be extinguished 7 Read the U lt OFF value from the display window Operating time U lt ON TIME DELAY 1 Turn on the Sverker main source by setting the start switch to the ON position where upon the ON indicator lamp will light 2 Increase the voltage to 1 1 1 2 times the relay voltage setting 1 1 1 2 x U lt ON 3 Activate OFF TIME using the start switch press the W key whereupon the main source stops to generate voltage and the timer starts 4 When the protective relay equipment oper ates the time stops automatically where upon the TRIP indicator starts to flash 5 Read the U lt ON TIME DELAY value from the display window Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 6 Repeat the U lt ON TIME DELAY run two or three times to confirm its accuracy through repetition Finishing the test 1 Enter the values read from the display into the test report 2 Turn off power to Sverker using the main
70. ric AB ZP CDO1E ROSA SVERKER 750 760 8 1 General te ewa No output current from Sverker The separate AC voltage source malfunctions Auxiliary DC voltage source malfunctions Make break contact malfunctions a No mains voltage b Miniature circuit breaker F1 or F2 may have tripped c The thermal cut out may have tripped because of an overload The PTC resistor that serves as a thermal cut out may have tripped because of an overload The thermal cut out thermal relay may have tripped because of an overload Miniature circuit breaker F3 may have tripped Programma Electric AB ZP CDO1E ROSA Check that power cord is properly plugged in Check miniature circuit breakers F1 and F2 This cut out is reset automatically after a certain amount of time has elapsed Wait This cut out is reset automatically after a certain amount of time has elapsed Wait This cut out is reset automatically after a certain amount of time has leapsed Check the miniature circuit breaker 8 2 Displayed values No current reading appears when measurements are made via the ammeter s panel input Abnormal current readings are displayed No voltage reading appears Unexpectedly short operating times are shown Fewer than the desired number of times appear in the time table after measuring reclosings The phase angle is not 0 though the
71. s switch 3 Disconnect the equipment 63 SVERKER 750 760 7 6 Testing motor overload releases and overcurrent cut outs that grant deny starting permission Only for SVERKER 750 Note This connection will damage a SVERKER 760 Test equipment used for motor overload releases and overcurrent cut outs that govern the granting or denial of starting permission must be able to provide both normal operation current and fault current and it must be possible to change between them without interrupting the test Moreover time measurement must start precisely when the change occurs OG 4000 OG 6 0 5 EN ee SVERKER 750 The Sverker voltage source can supply the output transformer via a reverse circuit comprising two parallel coupled resistors of 1000 Q and 500 Q See illustration above The normal operation current is set from the voltage source and it can be varied from 0 up to 6 A depending on the impedance of the release cut out and the current output that was 64 selected The fault current is set in the usual way with the main knob The test is started by pressing ON TIME whereupon the normal operation current changes to fault current and time measure ment starts This procedure provides you with the tripping times for the release cut out for a fault that occurs occurring during normal operation and also for a fault that prevents starting permission from being granted Programma Elect
72. s a fault voltage Keep this voltage constant during the remainder of the test It is not necessary to test the U ON and U OFF voltage limits It may however be desirable to test gt ON and I gt OFF at different voltage levels 2 Turn on the Sverker current source by activating ON with the start switch press the key once whereupon the ON indica tor lamp will light 3 Increase the current until the protective relay equipment operates gt ON where upon the Sverker TRIP indicator will start to glow steadily 4 Read the I gt ON value from the display window If the protective relay equipment fails to operate reverse the polarity of the voltage circuit 5 Ifthe freeze function has been activated press the HOLD button twice to unfreeze the value shown Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 6 Decrease the current until drop out occurs I gt OFF whereupon the TRIP indicator will be extinguished 7 Read the I gt OFF value from the display window 8 Decrease the current to O 9 Turn off the Sverker current source by setting the start switch to the OFF position Operating time gt ON TIME DELAY 1 Turn on the Sverker current source by setting the start switch to the ON position whereupon the ON indicator lamp will light 2 Increase the current to 1 5 x gt ON For an inverse time relay you should conduct three tests at 1 5 2 and 3 x gt ON thus providing
73. se instruments can be used for measurements in external circuits A set of resistors and a capacitor are provided and they can be connected into the circuits being tested to provide phase shifts fine adjustments and the like A make break contact can be used to synchronize other circuits with tests that are being conducted Sverker settings are made using knobs and other controls on the control panel Numerous other settings can be made via the display window built into the control panel Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 3 1 General This chapter presents a general description of Sverker and the types of functions it performs For more detailed descriptions please see Chapters 4 and 5 Sverker 750 control panel Resistor set Make break and capacitor contact Current source l u R Ammeter and Display Le oollos oo voltmeter OG a9 OO OR Auxiliary OG 00 OT voltage ala source Timer aa AC voltage source Power supply Start Computer Trip Main knob switch interface indicator Sverker 760 control panel The front panel of Sverker 760 is almost the same as Sverker 750 s The differences are that there is no capacitor terminals in the upper left corner and the AC voltage source has a phase angle control Role OOS OO OG 4000 OG Programma Electric AB ZP CDO1E ROSA OG v00
74. sired current has been set 7 Activate ON TIME using the start switch and keep it activated until tripping occurs 8 Read and note the time and current Method 3 Time limited injection Time limited generation as its name implies interrupts output after a preset time This is useful when you want to prevent overheating in the protective relay equipment 1 Initial settings OFF MAX TIME see expla nation of settings in Chapter 5 HOLD Main knob at 0 The maximum time must be set longer than the operating time of the instantaneous unit 2 Connect the relay current input and tripping output to Sverker 3 Set the ammeter to measure current at the current output that is being used 4 Set the timer start condition to INT 5 Set the timer stop condition to CLOSURE OPENING CONTACT for example 6 Change the main knob setting 7 Activate ON TIME using the start switch 8 Check to see that the instantaneous unit has operated This can be done by a checking the indicator lamp on the relay or b checking to see that the TRIP indicator lamp on Sverker is on 9 Read and note the time and current 10 Search for the lowest current where the relay operates by repeating from point 6 above and onwards Programma Electric AB ZP CDO1E ROSA 6 9 Measuring operating times for under current voltage other entity relays 1 Initial setting OFF 2 Connect the relay current input and tripping output to Sverker
75. suring the phase angle The phase angle between the current being meas ured by the Sverker ammeter and the voltage across the Sverker voltmeter input can be displayed see Explanation of settings in Chapter 5 Phase angle Current and voltage can be measured regardless of whether or not they are generated by Sverker If the current is less than 6 A it should be measured at the ammeter s external input since it provides better accuracy The phase of the current or the voltage can be selected as reference see chapter 5 Settings 0 100A 0 40A Load O Red Black Displayed angle lrer External source Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 Example Phase shift at an inductive load current lags voltage Current selected as reference a Current generated by Sverker ammeter connected internally b Current generated by external source ammeter panel input used Positive direction Positive direction fe fe we Red Black Load O v Red Black a b Definition of polarities a Current generated by Svreker ammeter connected internally b Current generated by external source ammeter panel input used 49 SVERKER 750 760 6 17 Measuring external cycle time measurement not initiated by Sverker The timer s start and stop inputs are independent of each other Activation takes place when the preset condition is met pulse edge
76. t The make break contact is equipped with a I A miniature circuit breaker Make break contact 400 V transient voltage sup pressors transils are provided at three locations e Between common contact and ground e Between common contact and break contact e Between common contact and make contact Normal use Time error between current and make break contact Voltmeter input Maximum values for external voltage measurement Programma Electric AB ZP CDO1E ROSA Breaker state simulation Time error between current and the make break contact Current start 1 ms max reclosing Current end 0 10 ms trip Maximum values Parameter Mex unt 69 SVERKER 750 760 9 5 Measurement section Timer Time can be displayed in seconds or in mains frequency cycles Specifications for the time expressed in seconds Range 000 9 999 s 10 00 99 99 s 10 ms 0 01 100 0 99999 9 s 100 ms 0 01 Specifications for time expressed in mains frequency cycles 0 0 999 9 cycles 0 1 cycles 0 1 cycles 0 01 1000 4999995 1 cycle 0 01 1 cycle 0 01 Switching between ranges can be carried out either automatically or manually as desired cycles at 50 Hz 1000 5999994 cycles at 60 Hz Ammeter The measured current can be displayed in amperes or as a percentage of a presettable nominal value AC current is measured as true RMS DC current is measured as a mean
77. t out from Sverker are separated from each other and from the mains series connections can be made In such case however it is important to keep the following in mind e Make certain that no insulation voltage limits are exceeded Do not exceed the insulation voltage of the connected voltmeter e Always comply with the applicable safety regulations Programma Electric AB ZP CDO1E ROSA 6 13 Setting an auxiliary voltage 20 220V DC O ao O 130 220 O Q 1 Connect the Sverker voltmeter input to the output of the auxiliary voltage source Auxiliary voltage source 2 Set the voltmeter to measure DC see explanation of settings in Chapter 5 3 Select the range to be used for the auxil iary voltage 20 130 V or 130 220 V 4 Turn on the auxiliary voltage source and set the desired value 5 Turn off the auxiliary voltage source 6 Connect the auxiliary voltage to the relay 7 Turn on the auxiliary voltage source Check the voltage on the Sverker voltmeter Programma Electric AB ZP CD01E RO5A SVERKER 750 760 6 14 Testing voltage relays both pre fault and fault voltages Only for SVERKER 750 Note This connection will damage a SVERKER 760 shone o y oot RELAY vest unt TI SVERKER 750 Sometimes it is necessary to change between two voltage levels and measure the time that elapses until operation This can be done using the Sverker m
78. the current rapidly until the equip ment operates gt gt ON whereupon the Sverker TRIP indicator will start to glow steadily Read the I gt gt ON value from the display window Programma Electric AB ZP CDO1E ROSA 7 If the freeze function has been activated press the HOLD button twice to unfreeze the value shown 8 Decrease the current until drop out occurs I gt gt OFF whereupon the TRIP indicator will be extinguished 9 Read the I gt gt OFF value from the display window Operating time gt gt ON TIME DELAY 1 Turn on the Sverker current source by setting the start switch to the ON position whereupon the ON indicator lamp will light 2 Increase the current to 1 1 1 2 x gt gt ON 3 Turn off the Sverker current source by setting the start switch to the OFF position 4 Activate ON TIME using the start switch where upon the timer will start and the current source will start to generate cur rent 5 When the protective relay equipment operates the timer will stop automatically and the current source will be turned off automatically whereupon the TRIP indica tor will start to flash 6 Read the I gt gt ON TIME DELAY value from the Sverker display window 7 For the remaining phases repeat the steps 1 6 as set forth above Finishing the test e Enter the values read from the display into the test report e Turn off power to Sverker using the mains switch e Disconnect
79. the de energized intervals on the display using the A and W buttons Please note Current value is not shown After you press the button marked MODE you can start a new test Programma Electric AB ZP CDO1E ROSA 6 21 Measuring the trip pulse length 1 Initial settings OFF TRIP PULSE TIME HOLD Main knob at 0 2 Connect the relay current input and tripping output to Sverker 3 Use the button marked A to transfer the ammeter test point to the input used for measurement in external circuits 4 Set the start condition to INT 5 Set the stop condition to CLOSEING OPENING CONTACT for example 6 Activate ON using the start switch Set the entity current or voltage being tested so that it exceeds by an ample margin the value that has been preset for the relay 7 Set the start switch OFF Start the test cycle by activating ON TIME using the start switch 9 After the test cycle the display window shows the result T 00 Time from START to STOP T 01 Time of trip pulse Total The total time T OO T 01 Press the VW button once to get here Read and note the times at which the relay operated Please note Current value is not shown 10 After you press the button marked MODE you can start a new test Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 6 22 Injecting current External start You can start generation by sending an external signal to Sverker This feature enables you
80. the equipment Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 7 3 Testing directional over current relay systems or directional ground fault earth fault relay systems Sverker 760 The following functions are to be tested e Pick up functions gt ON and U gt ON e Drop out functions I gt OFF and U gt OFF e Operating time gt ON TIME DELAY Test hookup and initial settings aE OG OO 66 OG 4660 00 OG v cm SVERKER 760 1 Connect for testing as shown in the above diagram a Connect the Sverker separate 0 130 V AC voltage output to the protective relay equipment input U b Also connect the Sverker separate AC voltage output to the voltmeter input c Connect the Sverker current source via the ammeter input and the set of resistors 57 SVERKER 750 760 the resistor you select will depend on the testing current to the current input NI to the protective relay equipment d Connect the timer stop input STOP to the relay trip output 2 Turn on power to Sverker using the mains switch 3 Activate the desired stop condition for the timer by setting the stop input for a make and or break function and for a wet or dry contact Testing the pick up and drop out 1 Select stop conditions dry or wet contact 2 Select HOLD to freeze the current reading 3 Press button SEL until you get a red light at the built in ammeter Note Maximum al
81. tinue after tripping occurs O Level filter 1 9 To avoid measuring noise that can be encountered during testing A O level of 1 min allows low level signals to pass A O level of 9 max filters out most noise Save Recall Recall mem O Recalls all settings that were stored in the specified memory 30 Recall default Save mem O Range is O 3 Recalls all of the original settings made by Programma prior to delivery they are stored in a special memory Saves the settings in the specified memory The range is 0 3 Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 Remote control ON Settings are controlled from Sverker Win This will be set automatically when Starting Sverker Win OFF Sverker is controlled from the panel Language English English language menus prompts etc Deutsch German language menus prompts etc Francais French language menus prompts etc Espanol Spanish language menus prompts etc Svenska Swedish language menus prompts etc SW RO4E Software version PC 750 or Sverker Win Programma Electric AB ZP CDO1E ROSA The Sverker is unlocked and ready to be used with Sverker Win or ProView PC750 31 SVERKER 750 760 5 5 Test mode This menu option is used to specify the desired type of time measurement You have three choices Normal Trip pulse time and Reclose You press the CHG button to access the different memory options and then scroll up or down
82. to start two or more Sverkers simultaneously The slave Sverkers can be connected to the make break contact on the master and then set for external start whereupon they will start simultaneously with the master 1 ms 1 Connect the external signal to th START input 12 2 Select dry or wet contact and closing or opening contact for the external signal If 120 phase shift is desired between the Sverkers you can connect them to the different phases of a 3 phase outlet 53 SVERKER 750 760 7 1 Testing voltage relays The following functions are to be tested e Pick up function U gt ON e Drop out function U gt OFF e Operating time U gt ON TIME DELAY Test hookup and initial settings 1 54 Connect for testing as shown in the above diagram a Connect the Sverker AC voltage to the protective relay equipment b Also connect the Sverker AC voltage to the voltmeter input c Connect the timer stop input STOP to the relay trip output Turn on power to Sverker using the mains switch Activate the desired stop condition for the timer by setting the stop input for a make and or break function and for a live or dead contact If the display window is to freeze the voltage reading at the instant of operation check to see that the HOLD function is active it can be activated by means of the HOLD button Pick up and drop out functions U
83. using the A or V button Menu option Explanation Normal Measures time from START to STOP Trip pulse time Measures time from START to STOP and also the duration of the trip pulse Reclose 01 999 5 Sets time for reclosings Max 49 reclosings The total time for the specified number of reclosings can range from 1 to 999 s 1 Press the SEL button to invoke the se lected option 32 5 6 Injection Here you select the type of generation You have four choices Maintained Momentary Max time and External Start Menu option Explanation Maintained Generation continues without any time limit Momentary Generation continues while start switch is kept activated Max time 99 9 s Generation continues throughout a preset interval that can be set from 00 1 to 99 9 s IMPORTANT To change a numerical value press the CHG button one additional time and then use the arrow buttons External Start Select dry or wet contact and closing or opening contact for the external signal This feature enables you to start two or more Sverkers simultaneously The Sverkers slaves can be connected to the make break contact on the Sverker master and then be set for external start The slaves will start at the same time as the master 1 ms 1 Press the SEL button to invoke the se lected option Programma Electric AB ZP CDO1E ROSA 5 7 Ammeter This option is used to make settings for the Sverker ammeter Th
84. utput alarm smnsesesaasememr 39 6 3 Selecting the correct current output40 6 4 Measuring current 40 6 5 Setting the desired current 41 6 6 Finding pick up and drop out limits for over current voltage other entity LE EE EN EK aba 42 Programma Electric AB ZP CDO1E ROSA 6 7 Finding pick up and drop out limits for under current voltage other entity EE EE na an GENG a dk keanaan gan aaa 43 6 8 Measuring operating times for over current voltage other entity relays 44 6 9 Measuring operating times for under current voltage other entity relays 45 6 10 Measuring voltage 45 6 11 Obtaining the correct phase angle when two or more AC outputs are being IS D021 1056 006223 A AE 46 6 12 Generating higher voltages 46 6 13 Setting an auxiliary voltage 47 6 14 Testing voltage relays both pre fault and fault voltages 47 Only for SVERKER 750 47 6 15 Changing the current and voltage phase difference 48 Sverker 750 aaa aana eaaa eaaa 48 Sverker760 aaa aana 48 6 16 Measuring the phase angle 49 6 17 Measuring external cycle time measurement not initiated by Sverker 8M TT c ch 50 6 18 Measuring Z P R X VA VAR and COS aa aaa na aa NE 50 6 19 Plotting a magnetization curve 51 6 20 Testing an automatic
85. value The external current measurement input is protected by a 6 A miniature circuit breaker and input resist ance Rin is 0 22 Q The values specified below are for measurement intervals times longer than 100 ms The measure ment error is greater for shorter measurement intervals 70 Specifications for current in amperes Test point 0 10 A Range Resolution Accuracy of reading mA 0 10 1 99 A AC 1 10 mA 10 mA AC 2 00 19 99 AAC 1 20 mA 10 mA AC 0 40 7 99 A AC 1 10 mA 10 mA AC 8 00 79 99 AAC 1 80 mA 10 mA AC 1 00 19 99 AAC 1 20 mA 10 mA AC 2 AAC 20 A AC 0 40A 8AAC 80 A AC 0 100 A 20 A AC 200 A AC 20 00 99 99 A AC 1 200 mA 10 mA AC 100 0 249 9 A AC 100 mA AC Extern 0 6 AAC 0 000 0 599 A AC 1 2 mA 1 mA AC 6 AAC 0 600 5 999 A AC 1 20 mA 1 mA AC 0 6 A DC 10 000 0 599 A DC 0 5 2 mA 1 mA DC 6 A DC 0 600 5 999 A DC 0 5 20 mA 1 mA DC Specifications for current displayed as a percentage of a presettable nominal value Resolution Resolution Accuracy Percentage Nominal value 000 999 1 000 999 A 1 A Voltmeter Switching between ranges can be carried out either automatically or manually as desired The measured voltage can be displayed in volts or as a percentage of a presettable nominal value AC voltage is measured as a true RMS DC voltage is measured as a mea
86. wedish language menus prompts etc 1 Press the SEL button to invoke the se lected option 38 5 17 SW This enables you to display the software version and hardware version The user cannot change this information Menu heading SW Software version you are using Explanation Note If you have unlocked the SVERKER using the software key for Sverker Win this is shown with the text PC 750 or Sverker Win in the Software version window in the menu tree Programma Electric AB ZP CDO1E ROSA SVERKER 750 760 6 1 General This chapter presents the steps you should take to perform typical Sverker testing operations effi ciently Sometimes several alternative ways of carrying out a step are presented This chapter will help you formulate testing procedures for different types of protective relay equipment Programma Electric AB ZP CDO1E ROSA 6 2 Injecting current General rules When you inject current through protective relay equipment for testing purposes you must observe several rules of thumb e Provide as much impedance as possible in series with the load This will counteract changes in current and minimize waveform distortion for relays whose impedances change when they have operated and also for relays that become saturated Moreover the current become more easy to to adjust since this will increase the turn of the knob When you are measuring operating times

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