USER MANUAL - seb barlassina
Contents
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3. 103 QTM 115 QTM 57 Output relays programming fig 2 The session allows to program the activation of the output relays R1 R2 R3 or R4 on START or TRIP conditions for each threshold In the programming session are displayed only the active thresholds depending on selections in the THRESHOLD SET UP paragraph paragraph 5 6 Equivalent information and set up related to relay R1 is available for the relays R2 R3 and R4 just changing the relay identification NOTE the output relays related to the thermal overload thresholds T and gt gt do not have the START function 26 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING L1 OUTPUT RELAY R1 QUIESCENT STATUS programmable R1 NORM Programming of the R1 relay status when no START or TRIP conditions are activated none of the measured currents exceed their thresholds NORM OFF normally de energized energized status on activation NORM ON normally energized de energized status on activation R1 NORM OFF L2 L7 OUTPUT RELAY ACTIVATION ON THRESHOLDS 12 12 gt gt I gt 1 gt gt lo lo programmable Example L2 L3 14 R1 I2 Rl 12 R1 I L L7 L5 6 R1 I gt gt R1 Io Rl XXXXXXXX XXXXXXXX XXXXXXXX Programming of the R1 output relay activation TRIP on the 12 12 gt gt I gt 1 gt gt lo and lo gt gt thresholds The parameter xxxxxxxx is se
4. The knobs to fix the transparent front panel must be screwed through the panel the front panel itself the operation will create a screw thread in the plastic material and the knobs will never be missed 35 SEB Divisione Elettronica e Sistemi INSTALLATION 6 2 Cabling Current circuits It is suggested to terminate the current wiring using eyelet terminals Minimum suggested wire cross section 2 5 mm With reference to the insertion diagram in the next page the currents measured by the protection relay have the following matching 1 terminals A1 A2 12 terminals B1 B2 I3 terminals C1 C2 lo terminals D1 D2 Other circuits output relays etc It is suggested to terminate the current wiring using plug terminals Minimum suggested wire cross section 1 5 mm 36 SEB Divisione Elettronica e Sistemi INSTALLATION I EEUU dC CLE E 1 R S T 1 IR 42 ll R1 gt 2 18 11 13 IT R2 l st PI ll 82 2 2 2 tg R3 KEEN DZ l 5 2 de DIG 1 lt R4 R S T qe e Nu Si 3 Se 38 GK Uaux R5 ae TEST c LINE E 2 P2 4 LINE L i ee STEPS CS e iii Holmgreen Insertion Note with bipolar insertion do not connect I3 C1 C2 37 SEB Divisione Elettronica e Sistemi INSTALLATION 172 9 fifi IITT III 7 Dimensioni meccaniche Case outlines N 4 fori 84 6
5. t 0 025 10 d 1 Lthresh 9 Curve IEC 255 4 A B Ki 0 14 13 5 80 a 0 02 1 2 K Parameter 0 01 20 00 s 0 1 Ratio between the greatest 1 Ithresn measured current and the threshold I gt lo and 12 1 linresh 41 SEB Divisione Elettronica e Sistemi TECHNICAL CHARACTERISTICS 9 TECHNICAL CHARACTERISTICS Measuring inputs Rated phase current In Rated earth current lon Thermal withstand continuously Thermal withstand for 1 s Rated frequency Primary CT s current Output contacts ratings Number of relays note 1 Rated current Rated voltage Contact configuration Breaking capability note 2 tripping relays R1 R2 signaling relays R3 R4 R5 note 3 Mechanical life Digital inputs Number of inputs External control voltage Typical current sink Data transmission Standard Communication protocol Transmission speed Optional Auxiliary supply 1A 5A programmable 1Aor5A 4 In lon 100 In lon 50 60 Hz 1 18500 4 41 5A 250V change over 0 5A 0 2A gt 108 3 as Uaux 2mA RS 485 half duplex MOD BUS ASCII 300 9600 baud selectable fibre optic module Range 24 320 Vdc 20 48 230 Vac 20 Frequency Vac 47 63 Hz Burdens min max 5 10 W Environmental conditions Operation 10 60 C Transport and storage 25 80 C Relative humidity lt 95 without condensation Protection degree for flush mounting IP 52 op
6. 5 11 Trips Counters fig 4 In this section are displayed the total and partial counters of the output relay activation on TRIP conditions for each thresholds and the numbers of programming sessions with the date and time of the last confirmed programming session The total counters the number of confirmed programming sessions and the date and time of the last confirmed programming session are not modifiable or resettable the information related to the last programming session are used to control unauthorized access The partial counter can be modified following the standard set up procedure for parameters as described at paragraph 4 2 the partial counters are immediately modified in the memory the recorded values are immediately resetted without the need of the programming confirmation T1 T16 TRIP COUNTERS T1 T2 I2 I2 Gece T GEE Display of the partial P and total T counters of the TRIP condition related to each threshold When the value exceed 9999 the counter starts again from 0000 The counters are identified by the threshold name 12 gt 12 gt gt I gt 1 gt gt lo lo gt gt T T gt gt there are presented only the counters related to the active thresholds The partial counters are modifiable in the range from 0000 to 9999 following the standard set up procedure paragraph 4 2 T17 T19 TOTAL PROGRAMMING SESSIONS AND DATE TIME OF THE LAST PROGRAMMING SESSION TOT PRG DATE PRG
7. SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING G1 G2 G3 ANSI 65S Io gt gt Io gt gt ccc Io gt gt nn nnlon XXXXX G1 ON OFF EARTH FAULT OVERCURRENT THRESHOLD programmable ccc ON enabled threshold OFF disabled threshold available but not active G2 THRESHOLD LEVEL SET UP programmable n nn threshold level lo expressed in terms of lon 0 01 2 00 nn nn threshold level lo gt gt expressed in terms of lon 0 10 10 00 G3 THRESHOLD LEVEL IN PRIMARY VALUE non programmable xxxxxx threshold level expressed in Amperes primary values NON PROGRAMMABLE as function of ref D3 set up G4 TIME DELAY SET UP programmable TI eeeee 22 2 2 S Set up of time delay to the activation TRIP of the programmed output relays when the measured current exceeds the threshold level Parameter time delay characteristic For threshold the time delay can be selected between one of the followings INDIP definite time delay DIP A time delay as curve A IEC 255 4 inverse time DIP B time delay as curve B IEC 255 4 very inverse time DIP C time delay as curve C IEC 255 4 extremely inverse time For the threshold lo gt gt the TI parameter is fixed as INDIP definite time Parameter zz zz Time definite time delay seconds to activate the programmed output relays the output relay trips when the measured current exceeds the threshold level programmable from 00 02 to 99 99 s T
8. Sed DIVISIONE ELETTRONICA E SISTEMI ING4N DIGITAL MULTIFUNCTION GENERATOR PROTECTION RELAY USER MANUAL P500D810 July 2004 SEB Divisione Elettronica e Sistemi INDEX INDEX 1 GENERAL GHARAGCTERISTIGQS troia lan ila actae o edges 1 1 1 Description of the available functions 3 1 1 1 Negative Sequence Overcurrent ANSI 46 3 1 1 2 Thermal Overload ANSI 49 i 4 1 1 3 Overcurrent Protection ANSI 50 51 5 1 1 4 Earth Fault Overcurrent ANSI 51N 64S 5 2 CRISONT PANEEAEYS E arer RAR 6 3 FRONT PANEL LED SIGNALINGS 2 xiii testi odes ule nee pid dade ie oi meds 7 A PROGRAMMING AND TEST loin 8 4 1 Howto program the protection relay eee nennt 8 4 2 Howto modify a visualized 9 2 3 LR 9 xu iei i rito iatale 10 IBISPEAY AND PROGRAMMI atii ederet pp 11 5 1 Standard displays cc li 11 9 2 2 252 2 52545 2 52242 2 52545 2 2542 1225 a oad ah It 12 5 9 Address and Time fig 16 54 Protection insertion fig T c 440425 482445 642
9. co LO 299 24 501415 999 922 Ta kd 501615 56021615 603635 60216315 501835 Snjejs Snjejs 503225 501415 501415 SINHAH 3 lt lt oi lt i lt lt OI or I I zI lt CI IOHSHHHIL NSIS SHANSIN T 8N ZN 9N SN YN N oN LN SYNSIA WO4 15 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 3 Address and Time fig 1 B1 RELAY MODEL not programmable ING4N mod A5 Models A5 nominal earth fault current 5A 1 nominal earth fault current 1A The nominal phase current is programmable 1 or 5 A B2 COMMUNICATION PROTOCOL programmable B2 PROTOCOL XXXXXXXX The communication protocol is programmable between the followings STANDARD ASCII Seb protocol MODBUS Modbus protocol SLAVE When the MODBUS protocol is selected the following display is showed to allow the selection of the transmission speed B3 BAUDRATE XXXX The xxxx parameter is selectable between the followings 300 600 1200 2400 4800 9600 When the STANDARD protocol is selected the baud rate is automatically selected by the protection relay B4 ADDRESS programmable NR RELAY 001 Programmable address from 001 to 255 The number is used on RS485 port to
10. Dima montaggio da incasso Flush mounting panel cut out Montaggio incassato Flush mounting Dimensioni pannello frontale trasparente Transparent front panel sizes 208 x 89 5 mm 38 SEB Divisione Elettronica e Sistemi INSTALLATION 6 3 Relays R3 and R4 Signaling Command set up The protection relay is supplied with R3 and R4 relays configured as SIGNALING RELAYS with 2 change over output contacts with breaking capability equals to 0 2 A at 110 L R 40 ms 100000 operations Each R3 and R4 relay can be configured as COMMAND RELAY with 1 change over output contact with breaking capability equals to 0 5 A at 110 Vdc L R 40 ms 100000 operations The new configuration is obtained with the following cabling 6 4 RS485 serial communication port The digital protection relay ING4N presents an insulated serial interface RS485 half duplex that allow the multi drop connection up to 31 protection units There are available 2 selectable communication protocols ref B2 paragraph 5 3 When the MODBUS communication protocol is selected the transmission speed can be programmed between 300 to 9600 bauds ref B3 par 5 3 When the STANDARD Seb communication protocol is selected the transmission speed is automatically selected between 300 to 9600 bauds and the protocol is ASCII HEX It is suggested to use a shielded twisted pair AWG22 terminal 19 not connected internally can be used for shields connections
11. added to time delay TI The additional time delay activation is controlled by the digital inputs to allow the use of the ING4N relay with cooperating protection relays The available settings for each timers are listed in Table A OUTPUT RELAYS the INGAN controls 4 output relays named R1 R2 R3 and R4 these relays can be programmed to be activated on START or TRIP conditions of one or more thresholds START instantaneous activation of the output relay when at least one of the measured currents or parameters exceeds the programmed threshold value TRIP activation of the output relay when the programmed time delay or TI TA related to a threshold expires The quiescent state of each single relay R1 R2 R3 and R4 can be programmed as normally energized ON or normally de energized OFF 1 SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS An additional relay R5 normally energized is controlled by the self diagnosis routines to report detected fault conditions DIGITAL INPUTS there are available 3 digital inputs to activate the following functions when enabled by the programmed set up e additional time delay related to one or more thresholds e on off thresholds e STATUS function recording of measures on external event e pilot wire fault monitoring For each digital input can be programmed the condition that activates the related functions HI voltage gt 20 V dc ac LO voltage 0 10
12. of ref D2 set up F4 TIME DELAY SET UP programmable TI eeeee ZZ ZZ S Set up of time delay to the activation TRIP of the programmed output relays when the measured current exceeds the threshold level Parameter TI eeeee time delay characteristic For I threshold the time delay can be selected between one of the followings INDIP definite time delay DIP A time delay as curve A IEC 255 4 inverse time DIP B time delay as curve B IEC 255 4 very inverse time DIP C time delay as curve C IEC 255 4 extremely inverse time For the threshold I gt gt the TI parameter is fixed as INDIP definite time Parameter zz zz Time definite time delay seconds to activate the programmed output relays the output relay trips when the measured current exceeds the threshold level programmable from 00 02 to 99 99 5 Time dependent value of the parameter K see formulas paragraph 8 21 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING TI DIP B TI DIP A TI INDIP 02 50 10 00 K 03 25 s NOTE the index K or s is shown coherently to the selected time delay characteristic when the push button ENTER is pressed F5 ADDITIONAL TIME DELAY SET UP programmable TA I XX XX S The selection is displayed only when a TIME DEFINITE characteristic has been selected TI INDIP at ref FA when TIME DEPENDENT characteristic has been programmed the selection will not be displayed The additional time delay TA is p
13. one of the following values DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold 12 or 122 DIG1 digital input DIG1 activates the TA delay on threshold 12 gt or 122 DIG2 digital input DIG2 activates the TA delay on threshold 12 or 122 DIG3 digital input DIG3 activates the TA delay on threshold 12 or 122 When a TIME DEPENDENT characteristic threshold has been programmed the visualization is omitted as no additional time delays can be defined and programmed on time dependent delays More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref M1 M2 M3 paragraph 5 8 20 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 6 2 Phase overcurrent thresholds ANSI 50 51 fig 2 F1 F2 F3 ANSI 51 TS I I gt n nn In XXXXX A F1 F2 F3 F1 ON OFF PHASE OVERCURRENT THRESHOLD programmable ccc ON enabled threshold OFF disabled threshold available but not active F2 THRESHOLD LEVEL SET UP programmable n nn threshold level I expressed in terms of In 0 10 5 00 nn nn threshold level gt gt expressed in terms of In 0 10 40 00 F3 THRESHOLD LEVEL IN PRIMARY VALUE non programmable XXXXXX threshold level expressed in Amperes primary values NOT PROGRAMMABLE as function
14. ref M1 M2 M3 see par 5 8 Examples I2 2 gt gt mes I gt ON OFF ON OFF DIG P1 P2 OUTPUT RELAY STATUS The actual status of each output relay is displayed for each relay the following information is displayed relay identification R1 R2 R3 R4 relay status ON activated OFF non activated Note that ON OFF do not necessary mean energized or de energized see ref L1 Example P1 P2 R1 ON R3 OFF R2 OFF R4 ON Q1 Q2 DIGITAL INPUT STATUS The actual status of each digital input is displayed For each digital input the following information is presented digital input identification DIG1 DIG2 DIG3 digital input status HI or LO Example Q1 Q2 1 LO DIG3 LO DIG2 HI R1 R2 R3 R4 R5 R R7 MEASUREMENT DISPLAY The actual values of the measured currents and of the computed parameters are displayed the parameters related to disabled thresholds are not displayed For each current the following information is displayed currents or parameters identification I2 IA IB IC lo leq QTM 30 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING actual values expressed as In lon or actual primary value expressed as Amperes only IA IB IC 12 and lo R1 R2 R3 R4 R5 R6 R7 lo xx xx QTM Ieq WWW hh hh In xx xx current values as In or lon from 00 00 to 50 00 In or from 00 00 to 10 00 lon y
15. that caused the TRIP condition and its value This information is not presented on STATUS event El T gt gt El I2 EA I E6 Io gt 115 QTM 0 50 In 1 30 In 0 40 Ion S3 ACTIVATED OUTPUT RELAYS 1 RELAY nnnnnnn It shows the list of the output relay activated by the threshold trip 1 RELAY E3 RELAY todd 1 4 When no output relays have been activated no relays programmed to TRIP on the threshold the following message will be displayed El RELAY NONE El T Tot WWW WW S It is shown the total delay to the TRIP of the output relays from the overcurrent detection when additional delays are activated the change of the status of the digital input that controls the additional delay during the delay itself could bring to a total time different from the sum of the programmed delays If the total time is greater than 999 seconds the display of tenths is omitted Examples Examples 54 TOTAL TIME DELAY ON TRIP When the event is memorized on external command STATUS the message N A Not Applicable is shown instead of the number of seconds El T Tot N A NOTE thresholds ANSI 49 T gt and T gt gt do not have START condition therefore T tot is always presented as N A S5 DIGITAL CHANNELS RELATED TO MEMORIZED EVENT El DIG T 32 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING The list of the digital inputs related to the memorized event is displayed STATUS function comma
16. ul TWNIWON 40 158 Ld FYNOIH Woly 13 DISPLAY AND PROGRAMMING SEB Divisione Elettronica e Sistemi 1614 y IYNOIA OL 50044 WHIANOO Lr XXXXXXXX XXXXXXXX XXXXXXXX INANI DId 2014 T9I0 IVLIOIG EIN 2 LN AKKKKKKK XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX WHON pu 15441 L vH lt L vu lt lt OI pu OI pu lt lt pa lt I va lt lt ZI 21 va XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX WYON ed LSuL L ca 1 u OI OI lt lt I I CI cI EU cl u XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX WHON 24 15441 lt lt L cu 1 CH lt lt OI 24 OI cu I 24 lt I 24 cI ca 41 24 cud XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX WYON 40 4155 TH 41641 L Tu lt oL IH OI OI IH lt lt I Ta lt I lt lt ZI lt ZI Tu TH 011 61 81 9 91
17. vl 1 21 V1 Z 913 d 13g dn4es q1OHS3HHL TOHSHUHL 2914 SANTVA IVNINON dn Las zZ AYNDIH wos 14 DISPLAY AND PROGRAMMING SEB Divisione Elettronica e Sistemi eun6i4 Ss uu uu AK uu pp DODO 2999 L 20999 4 2999 1 2999 2999 1 20999 4 add ANWIL add LOL lt lt L lt oi lt lt lt OI lt lt OI 61 8LL 111 9LL SLL YLL ELL CLI LLL L d L 0999 4 L 1 4 L 4 lt lt I I I I lt lt ZI lt lt ZI c1 c1 SHHLNO0OO OLL 61 81 21 91 SL vL L CL LL 8a Ss uu uu ee uu bb AA AA 2514 AA 5 ooo SUTI I3 I3 I3 WLO Ta 918 SIS YLS 615 218 LLS uoruu uu uu uu uu UU uu 82010 uu uu S MM MM x t r UI XX XX OI Ta OI TH Td VI Ta CI IH DIO IH 301 1 TH AVIHI TH eeee TH TH SINHAH OLS 6S 8S 28 98 SS vs es eS LS UI XX XX SMMM X V V SOIVIS 1110 XX XX OI XX XX 2I XX XX gI XX XX VI XX XX ZI SHYNASVAN LU 9H SY va ed VH 2014 501415 MM DIG MM TOIC
18. 426 56 17 5 5 Nominal values set up fig 2 17 5 6 Threshold and time delays set Up 19 5 6 1 Negative sequence overcurrent thresholds fig 2 19 5 6 2 Phase overcurrent thresholds ANSI 50 51 fig 2 21 5 6 3 Earth fault overcurrent thresholds ANSI 51 645 fig 2 22 5 6 Thermal overload thresholds ANSI 49 fig 2 25 5 7 Output relays programming fig 2 eene 26 5 8 Digital inputs function programming fig 2 een 28 5 9 Parameter values visualization fig 3 29 5 10 Events tla tate roe aetate aetate ee 31 mips Counters iii eet ua tates ait uae 34 D TINS TRE ION i 660545 56418528 30055 At tena Peg 35 23 4 teet tt Let ete Lc DAL 35 o eco mc CE PER 36 63 Relays R3 and R4 Signaling Command set up 39 64 5485 serial communication EE Gene ti 39 7 THERMAL OVERLOAD CURVES ANSI 49 40 8 TIME DEPENDENT CURVES IEC 255 4 nnns 41 9 TEGHNIGAE CHARAGCTERIS Er e EX EEO Et 42 10 TABLES eU ED LM MM ME a IMS 43 Infor
19. TIME PRG eeee dd mm yy hh mm ss Display of the number of confirmed programming sessions from the factory set up and the date and time of the last confirmed programming session 34 SEB Divisione Elettronica e Sistemi INSTALLATION 6 INSTALLATION 6 1 Supplied kit RK VERSION 19 rack installation the proper rack is supplied by Seb e protection relay module ING4N with rear socket e transparent front panel for rack installation e blister with items 1 2 3 4 5 CS VERSION flush mounting installation e protection relay module ING4N with rear socket e transparent front panel for rack flush mounting installation e n 2 brackets for flush mounting e blister with items 1 2 3 4 5 e blister with item 6 Sacchetto BLISTER 1 n 8 screws to fix wire terminals of current circuits 2 n 4 screws to fix the relay rear socket on the 19 rack or on the two brackets for flush mounting and n 2 screws to fix optionally the protection relay on the front of the 19 rack 3 n 2 knobs to fix the transparent front panel 4 n 8 washers to be used to fix wire terminals current 5 n 8 growers to be used to fix wire terminals current 6 items to fix the brackets for flush mounting only with CS version
20. V dc ac The digital input acquisition is valid when the voltage value stays in the range HI or LO for at least 40 ms DISPLAY OF MEASURES the user can select the continuous display of a measured currents primary values or a computed parameters over temperature etc all the measured currents and computed parameters can be transmitted to an external controller through the RS485 port EVENTS information related to the last 8 events TRIP or STATUS are recorded in the EEPROM memory Information includes the threshold set up and activated relays TRIP event only the measured currents the digital input status date and time of the event SELF DIAGNOSIS the software includes a non stop monitoring module that controls the functionality of all hardware and software resources of the protection relay Detected fault conditions are reported by e diagnostic message on the display e glow of a red LED on front panel e R5 output relay drop off The fault condition signaling stays until faults are pointed out by the monitoring module during this condition the protection functions are suspended to avoid unsuitable tripping STATUS FUNCTION when the STATUS function is activated by one of the digital input when programmed the protection relay memorizes information related to measured voltages and digital input status see par 5 10 EVENTS The recorded information allows an analysis of trip causes in co operative protection relays s
21. address a specific relay when two or more protection relays are linked on the same serial line B5 RELAY SERIAL NUMBER not programmable SER NR 0012345 16 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING B6 SOFTWARE REVISION LEVEL not programmable SW REV ZZ ZZ B7 TIME DATE programmable dd mm yy hh mm ss Time and date are programmable and they are used to mark recorded events NOTE the clock is not provided with back up battery therefore a loss of auxiliary supply will force time date to the following condition 01 01 90 00 00 00 5 4 Protection insertion fig 1 C1 INSERTION SELECTION programmable INSERT XXXXXXXX The insertion of the protection relay is selectable between the followings 2PHASE Two phase insertion 3 PHASE Three phase insertion 2 PH lo Two phase and earth insertion 3 PH lo Three phase and earth insertion Examples INSERT INSERT 2 PHASE 3 PH Io 5 5 Nominal values set up fig 2 D1 NOMINAL CURRENT SELECTION In programmable In x A In2 x A 1 A 5 A In nominal phase current programmable 1 A or 5 A lon nominal earth current defined by models manufacturer set up lon 5 AING4N model A5 lon 1 A INGAN model A1 17 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING D2 PRIMARY PHASE CURRENT programmable In prim XXXXX Primary phase current value of the installed phase CTs the value is p
22. aragraph 1 1 1 For the threshold 12 gt gt the TI parameter is fixed as INDIP definite time Parameter zz zz 19 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING Time definite time delay seconds to activate the programmed output relays the output relay trips when the measured current exceeds the threshold level programmable from 00 02 to 99 99 s Time dependent value of the parameter K see formulas paragraph 8 TI DIP TI DIP TI INDIP 02 50 10 00 03 25 NOTE the index K or s is shown coherently to the selected time delay characteristic when the push button ENTER is pressed E5 ADDITIONAL TIME DELAY SET UP programmable TA 12 XX XX S The selection is displayed only when a TIME DEFINITE characteristic has been selected TI INDIP at ref E4 when TIME DEPENDENT characteristic has been programmed the selection will not be displayed The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref M1 M2 M3 paragraph 5 8 The additional time delay TA is added to the time delay TI to obtain the output relay trip when the TI TA time expires E6 DIGITAL INPUT ACTIVE ON THRESHOLD not programmable TA 12 It shows the digital input programmed to activate the additional time delay TA on the displayed threshold The parameter eeeeeeee can show
23. athematical model of the thermal behavior of the generator The positive sequence current 11 and the negative sequence current 12 of the generator are measured by the protection relay and combined to obtain an equivalent current leq used in the mathematical model to compute the thermal overload The equivalent current leq is computed using the following formula leq JI Ks I2 1 where Ks is a programmable coefficient from 0 to 10 used to modify the heating effect produced by the negative sequence current as its effect is much higher due to eddy currents induced in the rotor at double frequency for standard generators Ks 6 The protection relay computes the thermal overload of the generator and when the value exceeds one of the programmed thresholds T gt T gt gt the related output relays trip The tripping time t of the thermal overload function according to IEC 255 8 and IEC 255 17 standards is defined by the formula 12 I E s 2 Di fp where TC1 heating time constant programmable leq computed equivalent current Ip equivalent current before overload Ib base current Ib is programmable from 0 40 to 2 00 In and it represents the equivalent current leq for which the relay will NOT OPERATE SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS In paragraph 7 are shown the characteristic curves representing the operating time as function of different load currents I
24. bled OF lo gt threshold lo gt disabled OF lo gt gt threshold lo gt gt disabled OF T gt threshold T gt disabled OF T gt gt threshold T gt gt disabled OF ALL all thresholds disabled STATUS activation of status function see paragraph 1 M2 DIGITAL INPUT DIG2 SET UP programmable DIG2 cc XXXXXXXX Programming of the function related to digital input channel 2 DIG2 the selections available are the same as presented for DIG1 ref M1 plus the following MONITOR activation of pilot wire monitor function M3 DIGITAL INPUT DIG3 SET UP programmable DIG3 cc XXXXXXXX Programming of the function related to digital input channel 3 DIG3 the selections available are the same as presented for DIG1 ref M1 59 Parameter values visualization fig 3 N1 N2 N3 N4 N5 N6 N7 N8 THRESHOLDS STATUS N1 N2 N3 N4 I2 2 I I gt gt status status status status N5 N6 N7 N8 Io Io T T status status status status 29 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING The actual status of each threshold is displayed For each threshold are displayed the threshold identification 12 gt 122 etc and the threshold status the status can show one of the following values ON active threshold OFF disabled threshold programmed OFF at ref E1 F1 G1 H1 see par 5 6 OFF DIG threshold programmed active but momentary disabled by a digital input actual status
25. dition on T or T gt gt thresholds ANSI 49 red The last trip condition threshold indication is also showed on front panel display more information on trip condition are presented in the recorded EVENT see par 5 10 SEB Divisione Elettronica e Sistemi PROGRAMMING AND TEST 4 PROGRAMMING AND TEST The protection relay is easily programmable following the instructions in the next paragraphs e HOW TO PROGRAM THE PROTECTION RELAY e HOW TO MODIFY A VISUALIZED PARAMETER All parameters can be freely modified the proper protection set up as required by the plant management is submitted to the operator s judgment 41 Howto program the protection relay The programmable parameters are showed in Figures 1 2 3 and 4 at the following references B2 B7 relay address RS485 and date time C1 relay insertion D1 D5 nominal values contrast etc E1 E9 thresholds and time delays negative sequence overcurrent ANSI 46 F1 F6 thresholds and time delays phase overcurrent ANSI 50 51 G1 G7 thresholds and time delays earth fault overcurrent ANSI 51N 64S H1 H7 thresholds and time delays thermal overload thresholds ANSI 49 L1 L10 output relays functions M1 M3 digital input functions T1 T16 partial trip counters reset The programming sequence is the following 1 SELECT the visualization on display of the parameter to be modified using the arrow push buttons 2 ACTIVATE the PARAMETER MODIFICATION sess
26. he negative sequence current in the computing of the equivalent current leq ref paragraph 1 1 2 formula 1 yy programmable value from 0 to 10 for standard motors Ks 6 Example KsI2 06 H4 INITIAL THERMAL OVERLOAD programmable OTMO eee OTM Whenever powered up the relay assumes the generator to be heated up to a level equals to the programmable QTMO value The initial thermal overload is expressed in percentage of the allowed generator thermal overload QTM eee programmable value from 50 to 100 default value 100 Example 25 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING QTMO 0505 H5 GENERATOR HEATING TIME CONSTANT TC1 programmable TC1 zzz min TC1 represents the generator heating time constant used to compute the operating time TRIP condition of the thermal overload thresholds ref paragraph 1 1 2 formula 2 The heating constant is expressed in minutes 222 programmable value from 1 to 500 minutes TC1 010 min H6 H7 THERMAL OVERLOAD THRESHOLDS T gt T gt gt programmable Example T cc T gt gt cc uuu OTM uuu OTM Thermal overload thresholds T T gt gt programming the two thresholds are independently programmable cc ON enabled threshold OF disabled threshold available but not active uuu thermal overload threshold values from 5096 to 120 QTM QTM generator thermal capacity Example ose T
27. ime dependent value of the parameter K see formulas paragraph 8 TI DIP B TI DIP A TI INDIP 02 50 10 00 K 03 25 5 NOTE the index K or s is shown coherently to the selected time delay characteristic when the push button ENTER is pressed 23 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING G5 ADDITIONAL TIME DELAY SET UP programmable TA lo S The selection is displayed only when a TIME DEFINITE characteristic has been selected TI INDIP at ref G4 when TIME DEPENDENT characteristic has been programmed the selection will not be displayed The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref M1 M2 M3 paragraph 5 8 The additional time delay TA is added to the time delay TI to obtain the output relay trip when the TI TA time expires G6 DIGITAL INPUT ACTIVE ON THRESHOLD not programmable TA lo It shows the digital input programmed to activate the additional time delay TA on the displayed threshold The parameter eeeeeeee can show one of the following values DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold lo or lo gt gt DIG1 digital input DIG1 activates the TA delay on threshold lo or lo gt gt DIG2 digital input DIG2 activates the TA delay on threshold lo or l
28. ion depressing the ENTER push button and modify the parameter value 3 END the parameter modification session depressing again the ENTER push button 4 REPEAT the procedure from 1 to 3 for all the parameters required to obtain the new protection relay set up 5 CONFIRM the new protection relay set up at the visualization CONFIRM PROG Fig 2 ref J1 within 5 minutes depressing the push buttons ENTER and up to visualize YES and ENTER again to confirm NOTE The protection relay continues to operate using the previous set up until the new set up is confirmed as at point 5 above the visualization of the modified parameters before the new set up confirmation is only temporary to allow an easy definition of the new protection set up SEB Divisione Elettronica e Sistemi PROGRAMMING AND TEST If the new set up is not confirmed within 5 minutes from the last pressed push button the protection relay visualizes again the previous set up the parameters set up that the protection relay is still using 4 2 Howto modify a visualized parameter When the parameter to be modified is visualized on front panel display do the following sequence 1 PRESS ENTER to activate the parameter modification session If one or more parameters are modifiable on the first of them will appear a blinking cursor If no parameters are modifiable no blinking cursor will appear 2 MODIFY THE PARAMETER pressing the arrow push buttons and when tw
29. lectable as the following START instantaneous output relay R1 activation when one of the measured currents exceeds the programmed threshold TRIP output relay R1 activation when one of the measured currents exceeds the programmed threshold level for at least Tl or TI TA seconds NONE no activation related to thresholds Example L2 L2 L4 L7 R1 12 R2 12 R3 I START TRIP TRIP NO AZION L8 L9 OUTPUT RELAY ACTIVATION ON THRESHOLDS T gt T gt gt programmable L8 L9 R1 T RI gt gt XXXXXXXX XXXXXXXX Programming of the R1 output relay activation TRIP NONE on the thermal overload thresholds T and T gt gt 27 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING The parameter xxxxx is selectable as the following TRIP output relay R1 activation when the time delay of the threshold expires as curve IEC 255 8 and IEC 255 17 NONE no activations related to thresholds Example L8 L9 R1 RES Rl T gt gt TRIP NONE L10 TEST OF OUTPUT RELAY R1 TEST R1 XXXXXXXX See paragraph 4 4 5 8 Digital inputs function programming fig 2 For each digital input one of the following functions are selectable a additional time delay related to one or more thresholds only time definite threshold b ON OFF threshold STATUS function recording of measures on external command d pilot wire fault monitoring only DIG2 monitors DIG1 When function a is programmed a message is dis
30. lowing sequence 1 SELECT THE VISUALIZATION of the desired output relay to be tested TEST R1 OFF 2 PRESS ENTER to activate the test session the message OFF will start to blink 3 PRESS and the message on the display will change as TEST R1 ON 4 PRESS ENTER to command the instantaneous trip of the output relay change of the current status The relay will stay on the new condition until e the or RESET push button is pressed e the ENTER push button is pressed and the sequence at points 3 and 4 is repeated presenting OFF condition The same procedure will be used for R2 R3 and R4 relays 10 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 DISPLAY AND PROGRAMMING The contents and the structure of the displayed messages are shown in figures 1 2 3 and 4 the references A1 B1 B2 etc identify specific displayed messages in the figures 51 Standard display A1 STANDARD DISPLAY It is the standard displayed message without operator s intervention no push buttons pressed for at least 5 minutes or when the RESET push button has been pressed The displayed information is function of the protection relay status NORMAL FUNCTIONING During this state the following information can be visualized as defined by set up e Protection function ANSI code the display shows the ANSI codes of the selected functions ref C1 FUNCTION SELECTION e Measured current and parameters the display sh
31. mation printed in this manual subject to change without prior notice This manual must not be reproduced in whole or in part in any form or by any means without the express written permission of SEB Divisione Elettronica e Sistemi SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS 1 GENERAL CHARACTERISTICS The protection relay ING4N is designed to protect generators the user can select one of the functions listed in the table below Functions ANSI v Measured currents 50 51 Earth fault overcurrent 51N 64S A B Ic and lo Negative sequence overcurrent Thermal overload All the set up and measured parameters can be viewed on the front panel display and transmitted on the RS485 communication serial port THRESHOLDS the following thresholds are available e 2 overcurrent thresholds I gt gt gt e 2 earth fault overcurrent thresholds lo gt lo gt gt e 2 negative sequence overcurrent thresholds 12 gt 1222 e 2 thermal overload thresholds T5 T gt gt The available settings for each threshold are listed in Table A TRIP DELAYS The thermal overload thresholds ANSI 49 are time dependent only the I gt lo and 12 thresholds can be programmed as time definite or time dependent whilst the remaining thresholds 1 gt gt gt gt and 12 are time definite only Each definite time threshold delay can be combined with an additional time delay TA the additional time delay is
32. nd or additional time TA enabled rif par 5 8 If no digital inputs were activated the message NONE is displayed 56 MEMORIZED NEGATIVE SEQUENCE CURRENT El I2 X XXX In The values of the negative sequence current at the event is displayed the value is presented if at least one of the negative sequence current thresholds 12 gt or 12 gt gt are enabled S7 58 S9 510 MEMORIZED MEASURED CURRENTS ON EVENT 1 1 1 IC El To yy yy In yy yy In yy yy In yy yy In The values of the measured currents at the event are displayed the values are expressed as In and lon terms There are presented only the currents measured coherently with the selection at ref C1 paragraph 5 4 11 MEMORIZED THERMAL OVERLOAD 1 sss QTM The values of the generator thermal overload at the event is displayed the value is expressed as percentage of the generator thermal capacity The value is presented if at least one of the thermal overload thresholds T gt or T gt gt are enabled S12 13 S14 DIGITAL INPUTS STATUS ON EVENT El El E DIGl vv DIG2 vv DIG3 vv The status of the digital inputs at the event are displayed The parameter vv can assume the value HI or LO 15 516 DATE AND TIME OF THE EVENT El Date El Time dd mm yy hh mm ss The date and time of the event are showed 33 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING
33. nt values computes the negative sequence currents 12 there are available 2 negative sequence overcurrent thresholds 12 gt and 12 gt gt The first threshold 12 gt can be programmed as e definite time e dependent time curves A B and C as IEC 255 4 ref par 8 e dependent time as curve D The second threshold 12 gt gt is definite time only The operating time as curve D is given by the following equation 2 I2 where K programmable parameter 00 01 99 99 s Im reference current 0 5 1 2 In 12 measured value of the negative sequence current SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS The time delay starts when the measured negative sequence current is greater than the threshold value 12 when the measured negative sequence current goes below 12 threshold the elapsed time is decreased exponentially with programmable time constant TC2 programmable from 1 to 99 seconds When the curve D is selected a definite time delay TLIM related to I2 threshold is also available TLIM is programmable from 100 to 9999 seconds When the 2 phase insertion is used for the correct protection against negative sequence currents the ANSI 51N protection function must be programmed The available settings for each threshold are listed in Table A 1 1 2 Thermal Overload ANSI 49 The INGAN protection relay performs the function of thermal overload protection under all the operating conditions by creating a m
34. o gt gt DIG3 digital input DIG3 activates the TA delay on threshold lo or lo gt gt When a TIME DEPENDENT characteristic threshold has been programmed the visualization is omitted as no additional time delays can be defined and programmed on time dependent delays More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref M1 M2 M3 paragraph 5 8 G7 EARTH FAULT THRESHOLDS ANSI CODE SELECTION programmable ANSI Io CCC ccc 51N ANSI code 51N showed at ref A1 64S ANSI code 64S showed at ref A1 It allows to select the ANSI code related to the earth fault thresholds to be displayed by the protection relay 24 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 6 4 Thermal overload thresholds ANSI 49 fig 2 H1 ON OFF THERMAL OVERLOAD THRESHOLD programmable ANSI 49 ccc T ccc ON enabled threshold OFF disabled threshold available but not active H2 BASE CURRENT Ib programmable I base x xx In The base current Ibase represents the equivalent current leq for which the relays will NOT OPERATE ref paragraph 1 1 2 formula 2 X XX current value expressed in terms of relative values In Example base EAS DB i H3 Ks COEFFICIENT programmable KsI2 yy Ks is a programmable coefficient used to modify the weight of t
35. o parameters are modifiable the push button allows to point out the parameter to be modified the selected parameter will blink gt when numerical parameters are pointed out the push button allows to select the digit to be modified increasing of the parameter a the digits are increased by 1 unit b the other parameters are presented following the selection list 3 PRESS ENTER to end parameter modification session The modification session is ended and the parameter stops to blink NOTE if a numerical parameter is selected out of the accepted range as shown in Table A when the push button ENTER is pressed for few seconds an error message will be displayed as Data Error and the parameter will be displayed again with the former value 4 3 Reset When the push button RESET is pressed the protection relays returns to the standard condition e reset of glowing LEDs SEB Divisione Elettronica e Sistemi PROGRAMMING AND TEST e drop off of tripped relays e reset of any parameter changed but not confirmed parameters are shown as confirmed at the end of the last programming session e display on STANDARD MODE Fig 1 ref A1 par 5 1 4 4 Test of output relays When the output relays test is selected Fig 2 ref L10 it is possible to command an output relay one at the time to trip from the current status allowing functional tests on electrical plants The output relays are activated with the fol
36. ows one of the measured currents lA Ip Ic lo or computed ones 12 negative sequence current leq equivalent current or the thermal overload value QTM the information to be visualized is selected by operator ref D4 The voltage is visualized as primary value if the selection of the voltage to be visualized refers to a voltage not measured depending on FUCTION SELECTION no values are presented ON TRIP CONDITION When a trip condition occurs the protection relay visualizes the TRIP message that includes the threshold related to the trip the displayed messages are as the following TRIP TRIP TRIP TRIP I2 ques io The information of the trip as well the glowing of the related LEDs is displayed until the RESET push button is pressed If a new trip condition occurs the displayed information will be updated information related to previous trips are recorded in EVENTS memory FAULT CONDITION When a permanent or temporary fault condition is detected by the self diagnosis module the following message is displayed FAIL The string eeeeeeee can 11 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING PILOT HARDWARE Detected fault condition on pilot wire the function related to DIG1 digital input is suspended Corrective action verify pilot wire short or open circuit Detected fault condition on hardware or software resources of the protection relay all function
37. p before the overload condition and when the overload current is constant Loss of auxiliary supply whenever powered up the relay assumes the generator to be heated up to a level equals to the programmable QTMO value programmable from 50 to 10096 default value 100 96 1 1 3 Overcurrent Protection ANSI 50 51 There are available 2 phase overcurrent thresholds I gt and 1 gt gt The first phase overcurrent I gt threshold can be programmed either definite time dependent time in compliance with BS 142 and IEC 255 4 specifications the other threshold 1 gt gt is definite time only Each definite time threshold delay can be combined with an additional timer controlled by the digital inputs The trip of the relay is shown by LEDs and by a message on the display The available settings for each threshold are listed in Table A 1 1 4 Earth Fault Overcurrent ANSI 51N 64S There are available 2 earth fault overcurrent thresholds lo and lo gt gt The first threshold 10 can be programmed either definite time or dependent time in compliance with BS 142 and IEC 255 4 specifications the other threshold lo gt gt is definite time only Each definite time threshold delay can be combined with an additional timer controlled by the digital inputs The trip of the relay is shown by LED s and by a message on the display The available settings for each threshold are listed in Table A SEB Divisione Elettronica e Sis
38. played at ref E6 F6 and G6 in paragraph 5 6 When the function of more than one digital input refers to a threshold the priority will be the following a OF selection threshold disabled has the priority on TA function additional time delay b the ALL selection ALL the thresholds has the priority on single threshold selection M1 DIGITAL INPUT DIG1 SET UP programmable DIGI XXXXXXXX Programming of the function related to digital input channel 1 DIG1 Parameter cc programming of the condition that activates the function related to digital input DIG1 the condition is selectable between HI and LO 28 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING Parameter xxxxxxx programming of the function related to digital input DIG1 the following functions are selectable only the active threshold are presented NONE no functions active related to digital input DIG1 12 additional time delay on the threshold 12 12 gt gt additional time delay on the threshold 12 1 gt additional time delay on the threshold I gt gt additional time delay on the threshold 1 gt gt TA lo additional time delay on the threshold lo TA lo gt gt additional time delay on the threshold lo gt gt TA ALL additional time delay on all thresholds OF 2 gt threshold 12 disabled OF 12 gt gt threshold 12 gt gt disabled OF gt threshold I gt disabled OF threshold 1 gt gt disa
39. rogrammable from 0001 to 18500 A D3 PRIMARY EARTH CURRENT programmable Ion prim XXXXX Primary current value of the installed earth CT the value is programmable from 0001 to 18500 A NOTE when Holmgreen insertion is used select lon prim 7 In prim D4 STANDARD DISPLAY SELECTION programmable DISPLAY It allows to select the standard displayed information ref A1 when no trip condition occurs and no fault condition have been detected by the self diagnosis module the available selections are the following ANSI displays of ANSI code 12 display measured negative sequence current IA displays measured phase current IA IB displays measured phase current IC IC displays measured phase current IC lo displays measured earth current lo leq displays computed equivalent current ref paragraph 1 1 2 formula 1 presented in terms of In QTM displays computed motor over temperature 0 120 The list of the selectable currents depends on the programmed INSERTION SELECTION ref C1 the current is displayed in primary values the value depends on D2 and D3 set ups Selection examples DISPLAY DISPLAY DISPLAY ANSI 11 5 D5 DISPLAY CONTRAST LEVEL programmable CONTRAST LEV x SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING The display contrast level is programmable from 0 to 9 The backlighted display is switched off if no push button is pressed for at least 5 minute
40. rogrammable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref M1 M2 M3 paragraph 5 8 The additional time delay TA is added to the time delay TI to obtain the output relay trip when the TI TA time expires F6 DIGITAL INPUT ACTIVE ON THRESHOLD not programmable TA gt It shows the digital input programmed to activate the additional time delay TA on the displayed threshold The parameter eeeeeeee can show one of the following values DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold I gt or DIG1 digital input DIG1 activates the TA delay on threshold I gt or DIG2 digital input DIG2 activates the TA delay on threshold I gt or DIG3 digital input DIG3 activates the TA delay on threshold I or 1 gt gt When a TIME DEPENDENT characteristic threshold has been programmed the visualization is omitted as no additional time delays can be defined and programmed on time dependent delays More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref M1 M2 M3 paragraph 5 8 5 6 3 Earth fault overcurrent thresholds ANSI 51 645 fig 2 G1 G2 G3 ANSI 645 Io Io CEE Io n nn Ion XXXXX 22
41. s when one of the front panel push button is pressed the display is switched on 5 6 Threshold and time delays set up 5 6 1 Negative sequence overcurrent thresholds fig 2 The information and set ups related to threshold 12 in the following points are effective for the threshold 122 if not specifically written just taking into consideration the change of the threshold identification E1 E2 E3 ANSI 46 I2 I2 Am n nn In XXXXX E1 ON OFF NEGATIVE SEQUENCE OVERCURRENT THRESHOLD programmable ON enabled threshold OFF disabled threshold available but not active E2 THRESHOLD LEVEL SET UP programmable nn nn threshold level expressed in terms of In 0 05 1 00 THRESHOLD LEVEL IN PRIMARY VALUE non programmable XXXXXX threshold level expressed in amperes primary values NOT PROGRAMMABLE as function of ref D2 set up E4 TIME DELAY SET UP programmable TI eeeee 12 12 5 Set up of time delay to the activation TRIP of the programmed output relays when the measured current exceeds the threshold level Parameter eeeee time delay characteristic For 12 threshold the time delay can be selected between one of the followings INDIP definite time delay DIP A time delay as curve A IEC 255 4 inverse time DIP B time delay as curve B IEC 255 4 very inverse time DIP C time delay as curve C IEC 255 4 extremely inverse time DIP D time delay as curve D equation as formula p
42. s are suspended Corrective action replace the protection relay and contact SEB post sales service 5 2 Visualization structure A1 ANSI 51N ALTERNATIVE FAIL TRIP QTM I2 50 49 46 DISPLAYS eeeeeeee T XXX XXXXX B1 B2 B3 B4 B5 B6 B7 ING4N PROTOCOL BAUDRATE NR RELAY SER NR SW REV dd mm yy mod nn YYYYYYYY nnnn XXX ZZZZZZZ7Z 22 22 hh mm ss C1 INSERT ERE 2 PHASE 3 PHASE 2PH lo 3PH lo SET UP NOMINAL Nominal date and time VALUES FIG 2 THRESHOL THRESHOLDS set up SET UP FIG 2 RELAYS OUTPUT RELAYS set up FUNCTION FIG 3 DIGITAL DIGITAL INPUTS set up INPUT FIG 3 J1 CONFIRM PROG MEASURES SIGNALS Display of SIGNALS and OUTPUT RELAYS status amp EVENTS STATUS FIG 4 EVENTS Display of EVENTS data FIG 4 COUNTERS Display of COUNTERS data FIG 4 Figure 1 12 DISPLAY AND PROGRAMMING SEB Divisione Elettronica e Sistemi 2 91614
43. temi FRONT PANEL KEYS 2 FRONT PANEL KEYS The 5 push buttons on the front panel allow to view all the protection parameters and to modify the protection set up gt right arrow down arrow programming session activation or parameter confirmation change or increment of the selected parameter RESET VISUALIZATION OF PARAMETERS reset of the protection relay rif Par 4 3 e all visualizations are circular and they can be displayed using the two arrow push buttons e the structure of the visualizations and their contents are showed in Figures 1 2 3 and 4 e when the sealable transparent front panel is installed only the arrow push buttons and the RESET push button are accessible to prevent unauthorized modification of the protection set up MODIFICATION OF PARAMETERS e remove the transparent sealable front panel to access ENTER and push buttons SEB Divisione Elettronica e Sistemi FRONT PANEL LED SIGNALINGS 3 FRONT PANEL LED SIGNALINGS POWER auxiliary supply available green FAIL fault condition detected by SELF DIAGNOSIS software or by red PILOT WIRE FAULT MONITORING function REMOTE communication session active on RS485 port red 12 12 gt gt trip condition on I2 or 12 gt gt thresholds ANSI 46 red gt gt gt trip condition on I gt gt ANSI 50 51 or lo lo gt gt ANSI 51N lo lo 645 thresholds red T T gt gt trip con
44. tional IP 54 Weight 2 5 kg Note 1 The additional relay R5 is controlled by self test program Note 2 Breaking capability at 110 Vdc L R 40 ms 100 000 operations Note 3 The output contacts of R3 and R4 relays can be configured as signaling or tripping relays SEB Divisione Elettronica e Sistemi TABLES 10 TABLES Table A Thresholds and time delays 0 10 5 00 In 0 01 In Phase overcurrent gt 0 10 40 00 In 0 01 In lo gt 0 01 2 00 lon 0 01 lon Earth fault overcurrent lo gt gt 0 10 10 00 lon 0 01 lon 2 0 05 1 00 In 0 01 In Negative sequence overcurrent 12 gt gt 0 05 1 00 In 0 01 In 46 Im Reference current curve D 0 50 1 20 In 0 01 In TLIM Maximum time delay 100 9999 s 1s Time constant for elapsed time decreasing curve D 1299s 1s Thermal overload 50 120 96 Base current 0 40 2 00 In Negative sequence current weight coefficient leq computation 0 10 Initial thermal overload at relay power up TC1 Heating time constant 1 500 min QTMO 50 100 90 Resolut Dependent time Characteristic curves as IEC 255 4 A B C Dependent time Curve D D e 43 44 SEB DIVISIONE ELETTRONICA E SISTEMI UFFICIO COMMERCIALE Via Segantini 5 20825 BARLASSINA MB tel 39 0362 5669 1 fax 39 0362 556622 web www seb barlassina it mail to servizio clienti seb barlassina it
45. ystems SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS PILOT WIRE FAULT MONITORING when the function is programmed the digital input DIG2 is used to control the correct functionality of the pilot wire Digital input DIG2 is always expected to be complementary of DIG1 input HI LO or LO HI to identify faults on pilot wire The fault condition is reported as detected by the self diagnosis module but the protection functions are not suspended only the functions related to DIG1 digital input are suspended as the DIG1 status cannot be longer considered as true The fault condition is reported when DIG1 and DIG2 signals are not complementary for more then 100 ms REMOTE COMMUNICATION the opto insulated serial port RS485 can communicate with a personal computer or a remote control and monitoring system equipped with an RS485 interface or with a standard RS485 RS232 converter It is possible to select the communication standard between STANDARD ASCII 7 bit Seb protocol or MODBUS ASCII mode SLAVE All the set up and measured parameters can be transmitted on the RS485 communication serial port when communication is active LED REMOTE glows the operator on front panel can view the relay set up but changes of parameters are disabled ENTER and buttons disabled 1 4 Description of the available functions 1 1 1 Negative Sequence Overcurrent ANSI 46 The protection relay measures the phase currents and from the curre
46. yyyy actual primary value of the currents expressed as Amperes hh hh equivalent current value from 00 00 to 99 99 In computed as formula 1 par 1 1 2 www thermal overload as QTM 0 130 96 5 10 Events fig 4 On the display are shown the memorized information related to the last 8 TRIP or STATUS events The 8 events are recorded and identified with a progressive number from 1 to 8 the more recent event shows a lower number 1 EVENT NUMBER 1 cccccccc The index E1 E2 E8 identifies the memorized event The parameter cccccccc gives information on the kind of event and it can show of the following values NONE no event memorized 2 event on trip threshold 12 5146 2 event on trip threshold 12 ANSI 46 I event on trip threshold I gt ANSI 51 gt gt event on trip threshold ANSI 50 lo gt event on trip threshold lo gt ANSI 51N 64S lo gt gt event on trip threshold lo gt gt ANSI 51N 64S T gt event on trip threshold T gt ANSI 49 T event on trip threshold T ANSI 49 STATUS information recorded on external command POWER ON switch on of the protection relay auxiliary power For the events NONE and POWER ON no other information is presented for the other events the following displays give more detailed information on the event 31 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING S2 TRIP THRESHOLD It is shown the threshold
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