ML20082S766

Monthly Operating Repts for Aug 1991 for Palo Verde Units 1, 2 & 3

ML20082S766
Person / Time
Site:	Palo Verde
Issue date:	08/31/1991
From:	Chavet K ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17305B735	List: ML20082S766
References
NUDOCS 9109170276
Download: ML20082S766 (16)

Text

- _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

. NRC MONTHLY OPERATING REPORT DOCKET NO. 50-528 UNIT NAME LTEGS-1 DATE 9/9/91 COMPLETED BY 1;. A. Chavet TELEPil0NE (607) 340-4718 OPERATING STATUS

1. Unit Name: Palo Verde Nuclear Geperating Statiom Unit 1

2. Reporting Feriod: Aurust 1941

3. Licensed Thermal Power (MWt): 3800 4 Nameplate Rating (Gross MWe): ,' 4,0 ^

5, Design Electrical Rating (Net MWt 1270

6. Maximum Dependable Capacity (Gross MVe): 1303

7. Maximum Dependable Capacity (Net MWe): 12?1

8. If Changes Occur In Capacity Ratings (Item Numbers 3 Through 7)

Since Last Report, Gise Reasons: N/A

9. Power Level to Which Restricted, If Any (Net MWe): None

10. Reasons For Restrictions, If Any: N/A UNIT 1 GENERATING STATISTICS This Month- Yr.-to-Date Cumulative-

11. Hours in Reporting Period- 744 5,832 49,008

12. .!!ours' Reactor was Critical. 744.0 4,989.5 26,449.7

13.  ! Reactor Reserve Shutdown llours - 0.0 0.0 0.0

14. Ilours Generator.was On-Line. 744,0 4,980.9 25,734.5

~

15. Unit- Resorve Shutdown llours -- 0,0 0.0 0.0

16. . Gross Thermal Energy Generated (MWH) 2,824,R84 18,835,359 94,229,460

17.  : Gross Electrical Energy Generated (MWH) 972,400 6,545,900 32,718,500

18. - Net Electrical- l'nergy Generated (MWH) 919,360 6.175,521 30,688,173

19. Unit Service Factor (%) 100.0% 85.4% 52.5%

20. Unit Availability. Factor (%) 100.0% 85.4% 5 2 . .%

21. Unit Capacity; Factor ~(Using MDC Net) 101.2% 86.7% 51.3%

22. Unit Capacity Factor (Using DER Net) 97.3% 83.4% 49.3%

23. Unit Forced Outage Rate'(%) 0.0% 0.0% 21.3%

24 Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each): N/A

25. If Shutdown At End ot Report Period, Estimated Date of Start-up: N/A Forecast Achieved INITIAL CRITICALITY 05/85 05/2M8.5 INITIAL ELECTRICITY 06/85 06/10/85 COMMERCIAL OPERATION 11/R5 01/ 2 R_L81 9109170276 910913 PDR ADOCK 05000529 R PDR

,. i y ^

. AVERAGE DAILY UNIT POWER LEVEL' DOCKET NO. 50 528 UNIT NAME PVNGS-1 DATE _ 2/9/91 COMPLETED BY K.A. Chavet TELEPHONE- -(602) 340-4718 liONTil: August-1991

. DAY ~ AVERAGE DAILY POWER LEVEL DAY ~ AVERAGE DAILY POWER LEVEL

' l -- 1231 17 1235

,2 1233 18 1240

-3 -1234 19 1241 .

'4 -1236 20 1237 5 1239 21 1236

6 1241 22 1234 7_ 1242 23 1237' 8 1241 24 1233 (9' '12 h 25 1234

10 -1233 26 1233 11 '1232 27 1234 12- 1235 28 1235

.13 1236 -29 1238 14 1233 30 1238 15 1236 31 1235 16_ .1229-1

REFUELING INFORNATION DOCKET NOJ 50-528 UNIT NAME MGS 1 DATE 9/9/91 COMPLETED BY K.A. Chavet TELEP110NE ' (fz02 ) 340-4718

-- 1. Scheduled date for next refueling shutdown.

02/01/92, 3rd refueling

12. Scheduled date for restart following refueling.

s_ .04/11/92 3 :.

Will' refueling or resumption of operation thereafter require a Technical Specification change or.other license amendment?

The need for a Technical Specification change or other license amendment has not yet been determined, g

4.

Scheduled date for submitting proposed licensing action and supporting information. J N/A l

'5.

.Important Licensing considerations associated with refurling, e.g. , new or different fuel design or supplier,-unreviewed design or performance ar.alysis methods, significant changes-in fuel design, and new operating procedures.

UIC4'is typical of PVNCS reload cycles.

6. .The number of fuel assemblies, a) In the' core. 241 b) In the spent fuel storage pool. 188

'7. Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capacity. 'None 8.

Proj ected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2004 (18 Month reloads and full core discharge capability).

V

. 3-L.

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTil DOCKET NO. 50-528 UNIT NAME PVNCS-1 DA'IE 9/4/91 COMP 1.ETED BY M.A. Chavet TEl.EPilONE (602) 340-4,Zjf Au r_u s t 1991 08/01 0000 Unit began the month in Modre 1, 1001 RX power.

08/31 2400 Unit enaed the month in Mode 1, 100% RX power, me

[$ "

SHUTDOWNS AND POWER REDUCTIONS .

August 1991 DOCKET NO 50-528 UNIT NAME PUGS-1 DATE 9/9/91 COMPLETED BY K.A. Chavet TELEPHONE (602) 340-4718 Outage Method of Cause and Corrective Shutting System Component Action to Duration 2

Reason 2 Down Reactor 3 LER No. Code' Code 5 Prevent Recurrence l No. Date Type Hours No Reactor Shutdowns or significant power reductions occurred during the rconth.

1 1

1F-Forced 2 Reason:

3 Method: ' Exhibit F-Instructions A-Equipment Failure (Explain) 1-Manual for Preparation of the Data S-Scheduled 3-Maintenance or Test 2-Manual Scram Entry Sheets for licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory kestriction 4-Continuation from (NUREG 0161J E-Operator Training & License Previous Month Examination 5-Reduction of 20% or F-Administrative Greater in the Past S

Exhibit H-Same Source G-Operational Error 24 Hours H-Other (Explain) 9-Other-(Explain)

. 5 k_ __

• NRC MONTHLY OPERATING REPORT DOCKET D0. 50-529 UNIT NAME l'\' ties - ?

DATE 9/9/91 COMPLETED liY F.A. Cl}p ve t TEl.EPHONE IM0 ?_)_, 340 - 4 718 OPEl]ATING STATI'S

1. Unit Name Palo Verde Nucler_tr_Cene ra t i ng S t a t i on . j]n i t 2

2. Reporting Period: August 1941

3. 1.icensed Thermal Power (MWt): 3800 4, Nameplate Rating (Cross MWe): 1403

5. Design Electrical Rating (Net MWe): 1270 6 Maximum Dependable Capacity (Cross MWe): 1303

/. Maximum Dependable Capacity (Net MWe): 1.221

8. If Changes Occur In Capacity Ratings (Item Numbers 3 Through 7)

Since Last Report, Give Reasons- N/A 9, Power Level to Which Restricted, If Any (Net MWe): tione

10. Reasons For Restrictions, If Any: N/A _

=

UNIT 2 GENERATING STATISTICS This Month Yr,-to-Date Cumula t ive

11. Ilours in Reporting Period 744 5,832 43,392 12, Hours Reactor was Critical 525.5 5,(13.5 30,240.8

13. Reactor Reserve Shutdown ilours 0.0 0.0 0 14 llours Generator was-On-Line 497.9 5,585.9 29,609.3

15. -Unit Reserve. Shutdown llouru 0.0 0.0 0 16 Gross Thermal Energy Genera ted (MWil) 1,760,151 21,038,181 108,759,582 17 Gross Electrical Energy Generated (MWil) 601,800 7,328,500 37.956,070 IS, Not Electrical Energy Generated (MWil) 553,823 6,903,083 35,528,11s 19 Unit Servlee Factor (1) 66.91 05.8% 68.2%

20. Unit Availability Factor (t) 66.9% 95.8% 68,2t

21. Unit Capacity Factor (Uslug MDC Net) 61.04 96.9% 67.1%

22. Unit Capactly Factor (Using DER Net, 58.6% 93.2% 64.5%

23. ' Unit Forced Outage Rate (1) 33.1% 4.2t 7.6%

.=.

24. Shutdowns Scheduled over Next 6 Months (Type, Date and Duration of Each): Refuel 1%

outage Octobe r 17 1941. 70 davn

25. If Shutdown At End of Report Period. Estimated Date of Start-up 5/A Forecast Achieved INITI AL CRITICALITY _03/86 04/18/86 INITI AL ELECTR ICITY 06/86 O Lg o / 8 t>

COMMERCIAL OPERATION 11/86 02Lifuji6

._ . . ~. . . - . - - . . . - - -. - . . . . . ~ . - - - ~ .-.-- . . . . .

3 .

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-AVERACE-DAILY UNIT POWER LEVEL. i- !

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.e DOCKET NO. 50 529  :

UNIT NAME PVNGS-2 Li DATE 9/9/91 l COMPLETED BY K.A. Chnvet j TELEPil0NE (602F 340 4718- [

.q HONTil: August 1991 l

=-DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL  !

. ul =. 1234 17 0 f

i2. 1740 18 0 f

13 - 1241 19 0' [

4 1242 20 340  ;

.r

-5' 1243 21 1133 ,[

6., -1243 22 1045 ,:

t 7 -- 1243- 23 831  !

.8 1241 24 1051 [

.t

.9 314 25 1230  :

10l, 0 26 1231  !

-O' 27 1234 11_l- {

=- 12 0 28 1238 I t

i

>13 0 29 1737 j

14

-0 30: 1232 f

.15' '27 31 1225 _.,

b- 16' 203 i

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REFUELING IN!'ORMATION ,

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-DOCKET NO. $0 $29 j UNIT NAME l'VNGS 2 {

DATE  !'/9 /91 .

COMPLETED 11Y K. A. Chavet . _ . .i TEL1'pil0NE ( (.02 ) 34.0-4718 1.- Scheduled date for nort refueling shutdown. [

1 10/17/91, 3rd refueling

2. Scheduled date for restart following refueling.

12/26/91

3. Will refueling or resumption of operation thereaf ter require a Technical Specification ..

- change or other licen ) amendment?

{

Preliminary analyses indicate that no proposed Technical Specification change or other license amendment will be required as a result of the next refueling.

t

4. Schtrauled-date for submitting proposed licensing action and supporting information, N/A-

~

)

$ ,. Important Licens!ng conside ratjons associated with refueling, e.g. , new or dif ferent f uel  !

design or supplier, unreviewed design or performance analysis methods, significant changes. !

in fuel design, end new operating procedures, i

U2C4 -is~ typical of pVNGS reload cycles.  ;

6. The number of fuel assemblies. I a) In the core. .

241 i b) .In the spent fuel storage pool. 204 [

'I Licensed spent fuel storage capacity.

- 7. , 1329 i

Intended change in spent fuel storage capacity. None _

8. proj ec t ed date of last refueling that can be discht.;3ed to spent fuel storage pool assuming present capacity.

2004 (18 Month reloads and full coro_ discharge capability).  !

I

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l I

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, . , , . - . - - - - - - . . _ . . - - . - . . . . . . , - - - - . - - - , . . . . ~ , . . . - .

.-_.__-._____..m__.-.___.__. . _ . - . . - _ . - _ . . _ - _ _ _ _ _ _ . _ _ . - _

t I

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTil DOCKET NO. 50 529 UNIT HAME l'y.tigE- 2  !

LATE 4/9/01 [

COMPLETED BY M.A. Chavet _

TELEhl0NE (602)J40 4 71Q l August 1991 _j 08/01 0000 Unit began the month in Mode 1. 100% RX power.  !

08/09 0617 Began RX power reduction to 0% due to loss of all CEDM fans.

08/09 0648 Entered Mode 3 when RX was manually tripped from 40% due to ASI limits.

Declared NUE due to unidentified RCS leakage.

08/11 2330 08/12 0230 Terminated NUE. Leakage identified as being from sent injection heat exchanger drain.

• 08/15- 0003 Entered Mode 2.

08/15 1200 Entered Mode 1.  !

)

08/11- 1701 Cenorator synchronized to the grid.

08/'46 0838 Main generator trip due to excitation problems. 'l 08/16 0839 Ent.ered Mode 3 when RX tripped on high pressurizer pressure. j i

i 08/19 1756 Entered Mode 2. l t

08/20 0033- Entered Mode 1. .f i

08/20' 0434 Generator synchronized to the grid. -}

f 08/21 0330 Stopped RX power increase at 92% due to .the LP henter train "B" taken j out of service to repair leakage from PSV-221. }

08/22 1249 C4 meed RX power -increase to 1009.  !

08/22 1309 Commenced RX power decrease due to COLSS being inoperable.  !

--08/22 1319 Commenced RX power increase to 100t. l 08/22 1520' RX power at'1004. l 08/22 1742 MSIV 181 fast closed. l 08/22- 1747 Commenced RX power decrease to 70% due to MSIV being closed.

t08/23- 0826 COLSS declared inoperable due to computer maintenance.

08/23 1653 COLSS declared operable. j 08/24 -0900 Commenced power increase from 70s to 100%. l

- I

- 08/24- 1315 RX power at 100%.

08/31 2400 Unit ended the month in Mode 1,1004 RX power. ,

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i NRC HONTHLY OPERATING REPORT DOCKl:T No. 50 530 UNIT NAME f\1LGEd DATE 9/0/01  ;

COMPLETED iW Lft,_GlwXtt TEll'Pil0N E U,02 ) 340 4718 ,

QJ'[JmTlFG STATQS

1. Unit. Name; f.alo Verde Huclent Gene ra t i ng S1. Allen,_Eni t 3

2. Reporting Period. Aur.u s t 1901

3. Licensed Thermal Power (MWt): JE0 4 4 Nameplate Rating (Gross MWe): 14n3

5. Design Electrical Rating (Not MWe): 1270

6. Maximtun Dependable Capacity (Gross MWe): J303

/. Maximum Dependable capacity (Net MWe): 1/?1

8. If Changes occur In Capacity Ratings (I tem Nun,bers 3 Throur,h 7)

Since Last Report, Give Reasons: N/A. ,

9. Power Level to Which Res tricted, 11 Any (Net MWe): None

10. Reasons For Restrictions, if Any: U/A -i UNIT 3 GENERATING STATISTICS This Month Yr.-to-Date Cumulative

11. llours -In Reporting' Period 744 5,83? 31,968

12. flours Reactor was Critietyl 721.3 3,881.7 21,461.4

13. Reactor Reserve Shutdown llouts 0.0 0.0 0.0 14 Ilours Generator was On Lino. 721.3 3,812.) 21,136.1

15. Unit Reserve Shutdown 11ouru 0.0 0.0 0.0

~

16. Gross Thermal Energy Generated (MVll) 2,733,136 13,805,037 77,411,264

17. Gross Electrical Energy Generated (MVil) 953,500 4,829,300 27.137,600

18. Net Electrical Energy Generated (MWil) 899,532 4.538,599 25,538,074 19 - ' Unit Service Factor (%) 96.9% 65.4% 66.1%

20. Unit Availability Factor (%) 96.9% 65.4% 66.11

21.  :

Unit Capacity Factor.-(Using ttLC Net). 99.0% 63.71 65.4%

22. Unit Capacity Pactor (Using DER ~ Net] 95.2% 61.3% 62.9%

23, Unit Forced Outage Rato (t)- 3.1% 6,51 8.4%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):,JfA

25. If Shutdown At End of Report Period, Estirated Date of Start up: l? nit re s t a r t e d .5LG,/.1 .

Forecast Achieseed INITIAL CRITICALITY 07/87 10/?5/81 INITIAL ELECTRICITY 07/87 11/28/87 COMMERCIAL OPERATION 09/87 01/08/88

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i AVERAGE DAILY- UNIT l'0WER LEVEL

. DOCKET NO. 30 530 UNIT NAME $1GS 3 '

DATE 9/9/91 COMI'LETED BY K. A. Chavet I TELEl'110NE (602) 340 4718 l l

MONTih August 1991 l DAY AVERAGE DAILY l'0VER LEVEL DAY AVERACE DAILY l'0WER LEVEL 1751 17 1255 1 .  ;

2 1751 18 1253 .  ;

-3 1250 19 1754 4- 1254 20 1253 _,

f

.I 5 1255 2! 1255  :

6- 1257 22 1252 $

7- 1258 23 1253 8 1256' 24 1251 t

9. 1252 25 1251 101 _ 1249 26' 1250 11- 1250 27 1248 j 12 1752 28 1251 ,

13 1252 29 1199 .

14 1252 30 1248 15- 1254- 31 0 16 1253 12 -

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. RETUEl.ING INKiletATION DOCKET NO, 50-530 (

UNIT liAME PVNGS.3- )

!) ATE 9/9/91 i COMPLETED IW 11,fdtovet i TELEril0NE .{ 602 ) 340-4718

1. Scheduled date for next refueling shutdown, ,

09/15/92, 3rd refuelin6

2. Scheduled date for restart following refueling.

11/14/92 l

[

t 3.- Will refueling or resumption of operation thereafter-require a Technical Specification  !

change or-other license-amendment.? {

. The need for a Technical Specification change or other license amendment has not. yet been j determined,  ;

'l

4. Scheduled date for submitting proposed licensing action and supporting information. [

N/A I

5. - Important Licensing considerations associated with refueling, e.g. , new or dif ferent fuel design or supplier, unreviewed design or performance analysis methods, significant chenges in_ fuel design, and new operat.ing procedures, f t

U3C4 is typical. of PVNGS reload cycles. l

6. The-number of fuel assemblies, j a). In the core. 241 _. _

f b) In the spent fuel' storage pool. 192 i

7. Licensed spent fuel storage capacity, 1329  ;

I Intende<1 change in spent fuel storago capacity, Nono [

l

-8. Projected date of last refueling that can be discharged to spent fuel l storage pool: assuming present capacity. -

l j 2005 (18 Month-reloads'and fu11' core discharge capability). f t

I o  :

i 3

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.-,--.._.__.-.)

. i 3 -

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SUMMARY

OF OPERATING EXPERIENCE FOR Tile MONTil DOCKET NO. 50 530 ..

UNIT NAME PVNCS 3 DATE 9/9,91 COM PLETED BY }' . A . Chavet TELEPil0NE L(AU 340 4718 Aur.us t 1991 08/01 0000 Unit began the month in Mode 1, 100% RX power.

08/29 1511 Commenced RX power decrease to 75% due to COLSS being inoperable.

08/29 1811 Commenced RX power increase to 100s.

08/2s' 2153 Rx power at 100%.

'08/30 _2015 Declared NUE due to impending Tech. Spec. which required shutdown.

08/30 2330 Commenced RX power reduction for plant shutdown required by Teeb.

Spec. LCO 3.8.3.1 action b. This LCO applies to the loss of the "C" Inverter.

08/31 0119 . Manual RX/ Turbine trip from 20s per the shutdown procedure. Entered Mode 3, 08/31 0132 Terminated NUE due to the unit entering Mode 3.

08/31 2400 Unit ended the month in Mode 3.

(

s'

! SHUTDOWS AND 'POk'ER REDUCTIONS '

• l' August 1991. -.

l DOCKET NO 50-530 -

- UNIT NAME PVNCS-3

! :. DATE 9/9/91 I COMPLETED BY K.A. Chavet

!I TELEPHONE 1602) 340-4718 Outage- Method of Cause and Corrective Duration . Shutting Sys%m Component . Action to l:. No. Date 'Iype l Hours R.eason2 - Down Reactor 3 LER No. Coo? Code 5 Prevent Recurrence A

- '91/06 08/29/91 F N/A A . 'S N/A' N/A N/A F2 power decrease to' -75%

due .being to COLSS inoperable.

it l' 91/07 08/31/91 F 22.7 A 2 N/A N/A N/A - Manual PJ/ turbine trip from 20% per shutdown procedure.

Tech. Spec. LCO 3.8.3.1 (b) applied due to loss of the

• C' Inverter.

i.

i' i

s l

I F-Forced 2 Reason: Diethod: ' Exhibit F Instructions-4 S-Scheduled A-Equipment Fai+are(Explain) 1-Manual for Preparation of the Data B-Maintenance or Test 2-Manual Scra:n Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation from (NUREG 0161).

j  :. :E-Operator Training & License '

Previous Month Examination 5-Reduction of 20% or F- Adminis t ratiite Greater in the Past 5 Exhibit H-Same Source C-Operational Error 24 Hours 1 H-Other (Explain). 9-Other-(Explain) i' i jl' Q- V y gg @-tsh-ww ^Mn+.aq v . p.,4ir,p m,qq,wygepg pgme A, g r.yg- g g99 9-wg. -pqnji.qe,,a g ,g.gys yegr peg _ ,g w-.9y-mw s

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UNIT 3 OUTAGE HOURG RECLASSIFICATION The following information is provided as an amendment to the May and June, 1991 Monthly operating Reports for Unit _l. The_ outage hours were reclassified to more accurately reficat work that was completed after the scheduled outage end date.

l tiu The refueling outage was scheduled to end on 5/25 at 0051 (70 days from start of outage).

outage- time for May. Of This amounts to 576.9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> of-scheduled the remaining 167.1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> (744.0 - 576.9) in the month, 69.7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> were classified as planned extended outage time, bringing the total scheduled hours to 646.6. The remaining 97.4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> (167.1 - 69.7) were classified as forced outage time.

The reported value of 744.0 scheduled outage houro for the month of May has been amended to reflect this reclassification. j dlllE The outage officially ended on June 3 at 11:32 (59.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> into the month) when the generator was initially synchronized to the grid.

The reported 59.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> of scheduled outage time was reclassified to forced outage time.

Also, 2.3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> of scheduled outage time was added to the month of

- June.to account for the planned overspeed testing of the turbine prior to rosynchronization to the grid.

The forced outage hours associated with the inadvertent containment spray event were not amended.

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