DVR STG Protocol

 

PROJECT: NSPCL PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

UNIT:2

DURGAPUR ,

SUPPLIER: ANDRITZ 

PRECOMMISSIONING & COMMISSIONING PROCEDURE 

PRE-COMMISSIONING CHECKS FOR DIGITAL VOLTAGE REGULATOR FOR M/S  NSPCL DURGAPUR,WEST BENGAL

1. In Insp spec ectt Di Digi gita tall Vo Volt ltage age Re Regul gulat ator or pa panel nel.. Re Remo move ve tools tools,, co condu nduct ctor  or  strands and any other material lying loose. 2. Us Use e va vacu cuum um clean cleaner er to re remov move e du dust st sm smal alll pa part rtic icle les. s. Do Don’ n’tt us use e air  air  hoses, which may contain oil, moisture etc. 3. Che Check ck all pow power er and contr control ol circui circuitt con connec nectio tions ns at ter termina minall blo blocks cks,, cable terminals, contactor terminals and bus bolts for tightness. 4. Plug all unu unused sed holes an and d openings openings,, includi including ng those for c cable able entri entries. es. 5. In case, meters a and nd relays a are re packe packed d separat separately, ely, mou mount nt these on tthe he respect respe ctiv ive e cu cuto tout uts s and conn connec ectt the them. m. Re Refe ferr the the GA GA/S /Sch chema emati tic c diagrams and terminal chart before connecting the meters and relays. 6. While dis dispatchi patching ng the panel, s seconda econdaries ries of CTs ar are e shorted. R Remove emove these shorting while connecting relays /meters. 7. Check th that at fuses are fi fitted tted in main and aux auxiliary iliary ci circuit rcuit and th that at ratings are appropriate for the circuit. 8. Cl Clos ose e all all ac acce cess ss plat plates es,, do door ors s an and d op open enin ings gs be befo fore re the the Vo Volt ltag age e Regulator is energized. 9. Ens nsur ure e that hat wir ires es ar are e no nott ha hang ngin ing g loos loose. e. An Anch chor or them them firm firmly ly,, preferably with plastic clamps. 10. Tem Tempor porary ary connect connections ions mad made ed durin uring g ttest esting ing sho should uld be remo removed ved..

1

 

PROJECT: NSPCL PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

DURGAPUR ,

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

11.. A th 11 thor orou ough gh che check ck of con contr trol ol and pro prote tect ctio ion n sc sche heme me is es ess sen enti tial al before commissioning. 12.. En 12 Ensu sure re tha thatt all all ou outg tgoi oing ng swi switc tche hes s are are in th the e OF OFF F posi positi tion on bef befor ore e energizing the Voltage Regulator Panel. 13.. Recom 13 ecomme mend nded ed clea cleara ranc nce e on fr fron ontt an and d rear rear of the pa pane nell is 1. 1.5 5 meter. 14.. En 14 Ensu sure re ‘0’ ‘0’Vo Volt lt Ea Eart rth h & Scr Scree een n Ea Eart rth h of AV AVR R sha shall ll pr pref efer erab ably ly be eart ea rthe hed d to se sepa para rate te Elec Electr tron onic ic Ea Eart rth h po poin ints ts in the the Plan Plantt be befo fore re charging the panel. 15.. Chec 15 hecking king o off c cab able le con conne nec cto tors rs 1. Check cable connect connectors: ors: - AT ONE END O ONLY NLY ⇒ AA-X01-218 ⇒ AA-X01-226 ⇒ AA-X05-230 ⇒ AA-X29-222 ⇒ AA-X37-218 ⇒ AA-X37-226 ⇒ AA-X41-230 ⇒

 AA-X65-222  AB-X01-218 ⇒ AB-X01-226 ⇒ AB-X25-218 ⇒ AB-X33-210 2. Check cable connect connectors:ors:- AT B BOTH OTH ENDS ENDS ⇒ AB-X21-202 TO AA-X61-210 ⇒ AB-X21-210 TO AA-X41-210 ⇒ AB-X21-218 TO AA-X41-218 ⇒ AB-X21-226 TO AA-X61-218 ⇒

⇒

 AB-x25-202 TO AA-X65-214 2

 

PROJECT: NSPCL PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

DURGAPUR ,

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

 AB-X25-206 TO AA-X29-214 TO AA-X65-202 ⇒ AB-X25-210 ⇒

⇒

 AB-X25-226 TO AA-X29-202

 AB-X33-218 TO AD-X21-02 ⇒ AB-X33-226 TO AD-X21-10 ⇒

 AA-X53-206 TO AB-X77-202 ⇒ AA-X41-226 TO AB-X17-202 ⇒ AB-X53-218 TO A01 ⇒ AB-X53-202 TO A02 ⇒ AB-X49-202 TO A03 ⇒ AB-X49-226 TO A51 TO A52 ⇒ AB-X45-226 TO U1 ⇒ AA-X53-226 TO U1 ⇒ AA-X65-230 TO U2 ⇒ AA-X29-230 ⇒

3.Check all cards, burg jumpers, switch settings etc. as per the test report no.: 205/02/033 as below: 1. UNC46 UNC4660a-p 60a-p – Measu Measuring ring value processi processing ng for channe channel-1 l-1 (Auto (Auto): ): DE010/U1 2. UN UNC0 C066 661 1 - IInt nter errup ruptt Uni Unitt for for Ch Chann annel el-1: -1: AA AA53 53 3. UN0610 – Analog In Input/Ou put/Output tput uni unitt for Ch Channel-1: annel-1: AA57 4. UN0662 – Binary IInput nput / Out Output put uni unitt for chan channel-1: nel-1: A AA61 A61 5. UN0663 – Gate c control ontrol u unit nit ffor or chann channel-1: el-1: A AA65 A65 6. Un0809 – Pulse final stage ffor or chan channel-1: nel-1: AG01 7. Un0664 UN0660 –– Power Com Computer puter u unit nitunit ffor or chan channel-1: nel-1: AA49 8. supply fo forr chann channel-1: el-1: A AA37 A37 3

 

PROJECT: NSPCL PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

DURGAPUR ,

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

9. UNC46 UNC4660a-p 60a-p - Measu Measuring ring value value process processing ing for chann channel-2(M el-2(Manual) anual) : DE020/U2 10. UN06 066 63 – Gate contro roll unit nit for channe nell- 2: AA29 11. UN08 080 09 – Puls ulse final stage for channe nell-2: AG03 12. UN06 066 64 – Pow owe er s sup upp ply unit for chann nnel el--2: AA01 13. Un0664 – Power supply unit for PLC: AB01 14. KX 9180 –48 V Supply unit: AG06 15. KX 9180 –48 V Supply unit: AG16 16. UN0660 – Computer unit for PLC: AB13 17. UNC4661 – D Diigital Input interf erface ffo or P PL LC: R RE EG A A01 01 18. UNC4661 – D Diigital Input interf erface ffo or P PL LC: R RE EG A A02 02 19. UNC4661 – D Diigital Input interf erface ffo or P PL LC: R RE EG A A03 03 20.. 20 UNC4 C466 662a 2a-p -p – D Dig igit ital al Ou Outp tput ut int interfa erface ce us used ed for PL PLC C: R REG EG-- 51 51 21.. 21 UNC4 C466 662a 2a-p -p – D Dig igit ital al Ou Outp tput ut int interfa erface ce us used ed for PL PLC C: R REG EG-A -A52 52 22. UN06 066 62 – Binar ary y IInp npu ut / Ou Outtput un uniit for P PLC LC:: AB21 23. UN06 066 62 – Binar ary y IInp npu ut / Ou Outtput un uniit for P PLC LC:: AB25 24. UN06 066 62 – Binar ary y IInp npu ut / Ou Outtput un uniit for P PLC LC:: AB33 25. UN06 066 62 – Binar ary y IInp npu ut / Ou Outtput un uniit for P PLC LC:: AB45 27 6.. 2 28. 29.. 29 30. 31.. 31 32.. 32

UN N06 06 066 62 2– –B Biin nar ar ary y IInp IInp npu utt // Ou Ou Outttp pu utt un un uniiitt ffo orr P P PLC LC::: A AB B53 49 U 066 6 ary y npu u Out uni PLC LC: Un0662 – Alarm iin ndication u un nit: AB61 UN06 0611 11 – Ana nalo log g In Inpu putt/O /Out utpu putt un unit it for for mo moni nittorin oring: g: AB AB17 17 Un0660 – Computer u un nit fo for M Mo onitoring: A AB B73 UN06 0611 11 – Ana nalo log g In Inpu putt/O /Out utpu putt un unit it for for mo moni nittorin oring: g: AB AB77 77 UN06 0662 62 – B Bin inar ary y IInp nput ut / Ou Outp tput ut un unit it for for m mon onit itor orin ing: g: AB8 B81 1

4.Lists of Parameters for separate functional groups: Check Software address as per the test report. a) AVR Channel-1: Software versions HIER 452555 b)

(AA49) P LC HIER 452 562 (AB13) 4

 

PROJECT: NSPCL DURGAPUR ,

PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

c)

Monitoring function HIER 452561 (AB73)

5. AC and DC power supply circuits: a) Station AC Aux. Supply: 3-Phase, 50 Hz, 415 V with Neutral TBR- 9,10,11,12 b) Station battery supply TBR – 14,15 c) Generator PT supply –3-ph, 50 Hz, 110 V AC, TBR-17, 18,19 d) Generator CT supply – 1 A TBR-21 to 26 e) PMG Supply –3-ph, 220 V ac, 150 Hz –TBR-4, 5,6 f) Heater and illumination supply: 1-ph, 240 V AC, TBR-7, 8

6.Checking of Logic sequence scheme: 1. Fiel Field d br break eaker er ‘‘ON ON’’ a) Local b) Remote 2.Field breaker ‘OFF’ a) Local

ok ok ok

ot‘eON/OFF’ 3. Ebx)ciR taetm ion 4.Channel Changeover auto to manual a) Local b) Remote c) Protections 5. Control of Auto/man reference a) Local b) Remote

0 ok k

6.Field breaker trip for all trip faults as per scheme

ok

ok ok ok ok ok

5

 

PROJECT: NSPCL PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

DURGAPUR ,

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

7.Light load test of AVR: Switch S865/1 of UN0663 of manual channel (AA29) set in pos.-1.After  test normalize the same. Control characteristics: Vac: 415 V, 3-ph, 50 Hz Connect load: 1000 Watt Halogen Lamp Converter limit: 10 deg Inverter limit: 170 deg. V. Synchronizing: 110V, 3-ph, 50 Hz.

Manual Channel: Control

DVR

DVR

Terminal Voltage

Voltage Ust (DC)

Voltmeter  DC Volts

 Ammeter  DC Amps

(1R & 2R) DC Volts

1 2 3 4 5 6 7 8 9

0.007 0.994 2.001 2.998 4.00 5.00 6.01 7.01 8.01

13 20 26 33 42 51 62 72 83

1.1 1.2 1.4 1.6 1.8 2.0 2.2 2.3 2.6

13.18 18.80 25.38 33.00 41.78 51.67 62.17 72.6 85.14

10

9.02

90

2.7

90.12

Sl. N No o.

6

 

PROJECT: NSPCL PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

11

DURGAPUR ,

9.80

95

2.8

96.65

Auto Channel:

Sl. No.

Control Voltage, Ust DC Volts

DVR Voltmeter  DC Volts

DVR  Ammeter  DC Amps

Terminal Voltage (1R & 2R) DC Volts

1 2 3 4 5 6 7 8 9 10

0.00 0.999 2.00 3.01 4.01 5.00 6.01 7.00 8.02 9.02

15 20 26 33 42 51 53 56 68 79

1.1 1.2 1.5 1.7 1.85 1.9 1.95 2.0 2.1 2.5

13.20 18.54 25.01 32.90 41.5 51.2 53.00 55.85 66.4 79.6

11

9.80

92

2.8

96.0

7

 

PROJECT: NSPCL DURGAPUR ,

PRECOMMISSIONING & COMMISSIONINGPROTOCOL- STATIC EXCITATION SYSTEM 

DAVR 

WEST BENGAL

2 X 60 MW CUSTOMER: -NSPCL

 

SUPPLIER: ANDRITZ 

UNIT:2

MCB’s Settings: Regulation cubicle F56

Range 25 A

Recommended settings FIXED

F51 F71 TO F55, F57 F91, F92 F72, F73, F81 F82, F75, 78 F74, F79, F80

3 A A 9-14 12.5A to 16A 0.63 to 1 A 0.1 to 0.16 A 2.5 TO 4 A

FIXED 12 A 12.5 A 0.63 A 0.1 A 2.5 A

M/S BHEL

M/S L&T

M/S AES

8