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installation manual - Alpes Technologies
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1. ALPES TECHNOLOGIES USER S MANUAL ALPISTATIC CAPACITOR BANK WITH ALPTEC11 ST CONTROLLER O Protection Connection O Commissioning O Maintenance R f 2007 ST 02 ANG CONTENTS I PROTECTION CONNECTIONS A PROTECTION B CONNECTIONS 1 Power circuit 2 Auxiliary circuits C OPERATION ON GENSET II OPERATIONS AND INSPECTIONS TO BE PERFORMED AT THE COMMISSIONING A BEFORE APPLYING POWER B APPLY POWER II MAINTENANCE 9 IV DESCRIPTION OF ALPTEC11 ST CONTROLLER FRONT PANEL 10 V ALPISTATIC CAPACITOR BANK WIRING DIAGRAM A 220 240V NETWORK B 380 415V NETWORK C NETWORK gt 415V AND ABOVE OR EGAL AT 690V VI APPENDICES A MANUAL MODE OPERATION B MEANING OF ALARM MESSAGES C REQUIRED COS SETTING KEYPAD LOCK MODIFICATION OF C T SETTING a RR HR PROTECTION CONNECTIONS A PROTECTION For capacitor banks which do not have a factory fitted general protection system a protective device must be fitted at the head of the power cable either a circuit breaker Q thermal relay set between 1 3 times the nominal current of the bank Q magnetic relay set between 6 and 8 times the nominal current of the bank or a fuse switch type gG rated between 1 4 and 1 6 times the nominal current of the bank B CONNECTIONS 1 Power circuit The capacitor and its accessories require power cables with a minimum rating of 1 3 times the nominal current of the bank
2. I SET COS of the set point cos Decrease the set point cos COINS flashing the cosq is capacitive By pressing MODE key you can access to the following parameters Led Meaning Pressing Pressing 1 W Display D indicates the threephase Display D indicates the active power of the network network frequency Display D indicates the threephase VA apparent power of the network Display D indicates the harmonic Selection 2 display Co Selection on display C of decreasing harmonic V HARM voltage according to the rank increasing harmonic voltage i voltage ranks from 31 to 2 diplayed on screen C and ThdU ranks from 2 to 31 and ThdU Display D indicates the harmonic Selection on display C of Selection on display C of I HARM Aron of phase L3 according to the Hecresolgihatflione He annua et i Er n g current ranks phase L3 ranks phase L3 from 2 to pay from 31 to 2 and Thdl 31 and Thdl I IT Selection of the events Selecti fth tin Display D indicates the current from election of the events from capacitor overload caused by E 0 today t E 0 today to harmonics compare to the authorised U today to i j D indi E HI maximum value Alternately display D indicates the memorised over the 6 last days ays Display C indicates selected step Display D indicates alternately STEP var UAr real power of the capa
3. Primary depending on installation current supplied by customer Secondary 5 A minimum 10 VA class 1 Main three pole circuit breaker capacitor bank output supplied by customer Protection fuses type aM 2A protection of power factor auxiliary circuit K Solid state contactor TR1 Auto Transformer 230V and 400V for power factor auxiliary circuit supply and auxiliary capacitor bank supply 400VA Co Discharge resistors L Anti Harmonic reactors on customer request G F1 F2 F3 c S1 S2 C T secondary connection terminal block Terminal block for capacitor bank bypass during GenSet operation Command card for solid state contactor ALPISTATIC capacitor bank ALPTEC11 ST network gt 415V or lt 690V E C C VI APPENDICES A MANUAL MODE OPERATION If you wish you may operate your capacitor bank in manual or forced mode To achieve this proceed as follows Q Enter manual mode by pressing the MAN AUT key The MAN indicator will be lit Q All the steps under voltage are disconnected Q Press the arrows A and V as many times as necessary to select the step that you wish to connect or disconnect the selection is obtained as soon as the corresponding led flashes Q Press the MODE key to validate this selection Q Repeat the operation for each step you wish to connect or disconnect Note In manual mode the selected steps remain connected VI APPENDICES B MEANING OF ALARM MESSAGES Alarm
4. messages may be displayed on the ALPTEC11 ST controller during commissioning or use of the capacitor bank The meaning of the messages is as follows Q Message A01 undercompensation All the capacitors are connected but the cos is less than the cos o set point check the cos set point value setup if the error persists your capacitor bank is undersized you should add reactive power to your installation The required kvar value can be displayed with the led A kvar marked F on page 9 Q Message A02 overcompensation All the capacitors are disconnected and the cos o is above the set point value check the cos o set point value setup the installation may have fixed capacitors the installation may be unloaded check the position of the current transformer diagrams page 6 and 7 if the error persists with the installation under load call the manufacturer Q Message A03 current too low The line current is 2 5 lower than the C T primary current setting check that the primary of your C T is suitable for the mains line current check your C T is not short circuited check the current circuit is properly conducting With loads connected this message will disappear Q Message A04 current too high The current exceeds the C T primary current setting by 20 check the C T primary value set in the controller check that the primary of your C T is suitable for the mains line current if
5. q to the target value in the factory we set the cos q set point to 0 96 inductive D KEYPAD LOCK Locking It is possible to lock the keypad to avoid any modification of the parameters Keep pressed MODE key press 3 times key A and 2 times key V then release MODE key and Loc will appears on the screen Unlocking Keep pressed MODE key press 3 times key A and 2 times key V then release MODE key and UnL will appears on the screen E MODIFICATION OF PRIMARY C T SETTING Switch the controller in manual mode using the key MAN AUT Keep pressed MODE key until SET is displayed on the screen Release MODE key pressed key MAN AUT P01 is displayed Using keys AV enter this value example C T 800 5A P01 800 C T 1250 5A P01 1 25 Press several times MAN AUT key until the display of the count down Switch to automatic mode by MAN AUT key Note any modifications of the power factor controller parameters except parameter P01 will cancel the manufacturer warranty on the complete equipment NOTES ALPES TECHNOLOGIES P A E Les Glaisins 7 rue des Bouvi res B P 332 74 943 ANNECY LE VIEUX cedex FRANCE T l phone 33 4 50 64 05 13 FAX 33 4 50 64 04 37 Site www alpestechnologies com E mail contact alpestechnologies com
6. the secondary current is too high primary too low the controller may be damaged Q Message A05 voltage too low The measured voltage is 1596 lower than network voltage low voltage will disconnect the steps Q Message AO06 voltage too high The measured voltage is 1096 above the network voltage high voltage will disconnect the steps Q Message A07 capacitor overload The capacitor bank is stressed by important harmonic perturbations all the steps are disconnected please call the manufacturer Q Message A08 over temperature Temperature inside the capacitor bank is too high report to the ventilation conditions of the electrical room page 6 Q Message A09 no voltage release Voltage failure duration is more than 8ms All the steps are disconnected Q Message A10 faulty steps Look for the faulty step s Proceed to their replacement Q Message A11 exceeding of programmed harmonic threshold ThdU or Thdl Possibilty to disconnect the steps and remote this event Q Message E AL programmable complementary alarm For remote temperature probe or a econd set point coc phi activated by dry contact Nota following 11 alarms A01 to A08 and A10 to A11 can be remoted by dry contacts For more information please consult our technical department C REQUIRED COS qo SETTING press the key MODE several times until the led SET COS q indicator on the front panel lit using the arrow keys A and V set the cos
7. When calculating the cross section it is also essential to take account of the usual cable related coefficients type length method of fitting etc For ALPISTATIC units the phase order L1 L2 L3 marked on the capacitor bank busbars must be respected for the connection of the power cables Nota earthing of the capacitor bank must be done by a cable with appropriate cross section according to the updated standards 2 Auxiliary circuits For correct operation of the power factor controller a current transformer must be connected to ALPISTATIC units It must be fitted on phase L3 of the unit to be compensated upline from all receivers and the capacitor bank The current transformer secondary must be connected on the auxiliary terminal block marked S1 and S2 see diagram below Q Current Transformer characteristics Q primary adapted to the current line of the electrical general network Q secondary 5 A Q minimum power 10 VA Q class 1 Diagram 1 Current transformer only supplying the P F controller lt Network P1 FOTN P2 load pm S VENETA EN 3 S2 phase L3 of installation Capacitor bank auxiliary terminal block Diagram 2 Current transformer already supplying an ammeter lt Network P1 ACTA P2 Load E si S2 phase L3 of installation a ammeter Capacitor bank auxiliary terminal block Particular cases e f the installation has an existing C T you may use it pro
8. acior adem STEP var TEMP MAX A08 Over temperature STEP cnt SET COS errem A11 Harmonic event O I J N L By pressing FUN key you can access to the following parameters LED Meaning Pressing Pressing 1 dac Display D indicates the V xps pue ine highest memorised network g voltage Display D indicates the Display D indicates the A current value of phase L3 of the highest memorised current network on phase L3 Display D indicates the required reactive power to reach the set point cosq kvar if K is lit puras Display D indicates the m MVAR if M is lit Display D indicates the multiplying factor of the var x one required number of steps to led IND lit indicates a lack of reach the set pin cas smallest step to reach reactive power p the set point cos p led CAP lit indicates an excess of reactive power WEEK P F Display D indicates the Display D indicates the average weekly power factor actual power factor Display D indicates the EpL eae We Display D indicates the 1H current capacitor overload Max e overload aie number of exceeds to harmonics programmed threshold Display D indicates the I RV temperature inside the cubicle Display D indicates the TEMP temperature sensor at the back max temperature recorded in Measuring units C or F of the controller the cubicle Displ D dat Increase the set point isplay D indicates the value
9. capacitor bank see diagram 3 below Diagram 1 Diagram 2 Diagram 3 of eT C T receivers receivers receivers Q Ventilation Install the capacitor bank in electrical room properly ventilated temperature maxi 40 C and average over 24 h 35 C Ventilation of the capacitor bank is made by an airflow entry by the bottom ventilation area on front door and back sides output by the top ventilation area on front door and back sides Make sure these ventilation areas have a clearance distance at least 100mm from any obstacle wall electrical enclosure Make the airflow is sufficient by removing any obstacle from air input and output Make sure the capacitor bank is installed in a dry and non dusty electrical room B APPLY POWER Q If the power factor controller displays the message Ct you must enter the primary value of your C T using the arrows A and V enter this value Examples T C 800 5 A PO1 800 T C 1000 5 A PO1 1 00 T C 1250 5 A P01 1 25 To validate press the key MAN AUT Q Switch to manual mode by pressing the key MAN AUT the led MAN flashes and all steps connected are disconnected Q Check the location of the current transformer a simple method of checking that the C T is correctly located on phase L3 of the installation involves checking that there is zero voltage difference between network phase L3 on which the C T is installed and phase L3 of the ca
10. citor Us Re a step iram Ta step rom PErC 96 difference between real i i and nominal power Display C indicates selected step STEP cnt Display D indicates the number of To select the step from To select the step from S 01 connection disconnection of the step S 12 to S 01 to S 12 V ALPISTATIC CAPACITOR BANK WIRING DIAGRAM A 220 240V NETWORK User s busbar L1 Sc 53 AXI be load LA La network gt 8 wW i c E gt Capacitor bank busbar oes EN ff d L1 cue ES d m L3 To 400V capacitor bank auxiliary circuit FU k L E Ganador b bankt rm R Co 15 17 C S281 L1L2 L3 RS232 R5485 0 230 Alptec11 ST controller termin Primary depending on installation current supplied by customer Secondary 5 A minimum 10 VA class 1 Cables 2 x 2 5 mm for current transformer connection supplied by customer Three pole battery supply cable supplied by customer Main three pole circuit breaker capacitor bank output supplied by customer Protection fuses type aM 2A protection of measuring circuit ALPTEC11 ST Protection fuses type aM 4A protection of auto transformer primary FU IK o Solid state contacto T Auto ns 230V 400V for capacitor bank auxiliary supply 400VA Co Capacitor o R Dischargeresistors Terminal block for capacitor bank bypass during GenSet operation Command card for solid state contactor ALPISTATIC capacito
11. pacitor bank Capacitor bank busbar a L3 L2 L1 network Q Switch to automatic mode by pressing key MAN AUT the led AUT light on and the capacitor bank starts to operate Ill MAINTENANCE When conducting inspection or maintenance operations it is essential to comply with applicable safety standards Supervision must be done by an approved person Q Before accessing any parts under voltage 1 open the fuse switch on the auxiliary circuits ref F1 F2 F3 F4 on pages 12 13 and 14 2 open the circuit breaker switch or cut off on the power circuit Q The capacitors are fitted with discharge resistors which reduce the residual voltage to 75V in 3 minutes in compliance with applicable standards Before short circuiting the terminals and earthing the capacitors Wait for 5 minutes Capacitors are static devices little maintenance is required However we recommend performing the following checking annually Q check that the equipment is clean as accumulated dust can hamper correct ventilation and insulation Q check the condition of the solid sate contactors and electronic command cards located on the side a red led located on the card is lit if the card or the solid state contactors are faulty Q check the tightness of the connections particularly on the contactor terminals a first checking 2 months after the commissioning must be done Q remove dust and check the correct ope
12. r bank ALPTEC11 ST 220 240V network V ALPISTATIC CAPACITOR BANK WIRING DIAGRAM B 380 415V NETWORK User s busbar I L1 i load RS PATNE La network S2 LYS D lt J Capacitor bank busbar a pp s x E p ipe B L3 To 400V capacitor bank auxiliary circuit FU Pi pepe eel ci F4 LL sd J DD 00 FD D LIU S2 S1 L LIL2 L S ON I Ub Lied ELLE bo D y rap R sasa al wp ee Ee ee a 1 m a x e So EULALI Ross Ross 0 230 users conn cti n Alptec11 ST controller terminals Primary depending on installation current supplied by customer Secondary 5 A minimum 10 VA class 1 D Main three pole circuit breaker capacitor bank output supplied by customer F3 Protection fuses type protection of capacitor bank auxiliary circuit HRC fuses type gG size i R Dischargeresistors S Command card for solid state contactor ALPISTATIC capacitor bank ALPTEC11 ST 380 415V network V ALPISTATIC CAPACITOR BANK WIRING DIAGRAM C NETWORK gt 415V or lt 690V User s busbar L1 Be load RS iG m d La network S2 N 7S1 D lt i Capacitor bank busbar bs I a L3 To 400V capacitor bank auxiliary circuit ET FU A eee E Palles eS ST e pes LIT TITLE Gapatitor bank termin R CH H lJ ag ere a eee id p a de cts e D cl s si iLi H E 15 17 RS232 RS485 0 230 Alptec11 ST controller terminal
13. ration of the ventilation Q check the current delivered by the capacitor bank Q Check the ventilation of the local where the equipment is installed maximum temperature 40 C and an average value of 35 C during 24h must be respected Q check the temperature inside the capacitor enclosure maximum temperature 45 C and an average value of 40 C during 24h must be respected IV DESCRIPTION OF ALPTEC11 ST FRONT PANEL A Indicator lit inductive network G Indicators lit operation in manual mode B Indicator lit capacitive network H Indicator lit a programmed alarm has been memorised K Indicator lit values displayed on screen D MAN AUT key switch from manual to automati must be x 1000 mode M Indicator lit values displayed on screen D J Parameter selection or modification key must be x 1000000 increase A C Digital display of instantaneous cos pand L Parameter selection or modification key alarm messages decrease V D Digital display of all other parameters N MODE key setting of the parameters or scrollin from functions V to SET cos o E Led lit indicates the steps connected O FUN key to scroll functions from W to STEP cn F Led lit operation in automatic mode A REGULATEUR VARMETRIQUE POWER FACTOR CONTROLLER E B F K G M AUT MAN A FIEL C H V ALARMS AD Und ti D A A02 P ER aria A03 L nt V HARM Avar Evar En igi z I HARM WEEK P F PE A05 Low voltage A06 High volta EVENTS AFCURR MAX A07 Cap
14. vided it meets the recommendations on page 4 position characteristics power etc In this case the power factor controller is connected in series with the existing ammeter diagram 2 e If the installation has two or more power transformers in parallel compensated by a single capacitor bank you must plan one C T on phase L3 of each transformer one overall C T adding type 5 5 5A In this case the equivalent C T primary to be programmed in the controller is calculated by adding the primary values of each C T C OPERATION ON GENSET If the installation can be powered by a generator unit in the event of a mains power cut it is not necessary to disconnect the capacitor bank the response time is maxi 40ms so the operation is compatible with a GenSet If for any reason you want to disconnect the capacitor bank simply remove the shunt between terminals G and E see diagrams on pages 12 13 and 14 and connect between them a contact which is opened when the generator is operating When the generator is started the capacitor bank will be disconnected automatically Il OPERATIONS AND INSPECTIONS TO BE PERFORMED AT THE COMMISSIONING OF THE ALPISTATIC CAPACITOR BANK A BEFORE APPLYING POWER Q Check the protective device settings and the power cable connections page 4 Q Check that the current transformer is located on phase L3 of the main installation upline from all receivers to be compensated and the
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