ML20043A189

Monthly Operating Repts for Apr 1990 for Prairie Island Nuclear Generating Plant

ML20043A189
Person / Time
Site:	Prairie Island
Issue date:	04/30/1990
From:	Dugstad D, Parker T NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9005180176
Download: ML20043A189 (9)

Text

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y 414 Nicollet Mall Minneapolis, Minnesota 554011927

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May 9, 1990 Prairis Island Technical Specification Section 6.7.A.3 U S Nuclear Regulatory Commission Attn:

Document Control Desk Washington, DC 20555 f

PRAIRIE ISLAND NUCLEAR GENERATING PIANT Docket No. 50 282 License No. DPR-42 50 306 DPR 60 I

Monthly Operating Report I

Anril. 1990 Attached is the Monthly Operating Report for April, 1990 for the Prairio Island Nuclear Generating Plant.

M Thomas M Parker Manager Nuclear Support Services TMP/jlk c:

Director Office of Resource Management Regional Administrator III, NRC NRR Project Manager, NRC NRC Resident Inspector 4

MPCA Attn: J W Forman Attachment 900430

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-s, NeBR6IIVE_Sudd6RY_DE_DEEBeIING_EXEEBIENCE DOCKET NO. 50-202 UNIT PRAIRIE ISLAND 80.1.

DATE MAY-2,.1990 COMPLETED BY: DALE DUGSTAD TELEPHONE 612-388-1121-4376 NOWIH1_eEBIL______1220__

THE UNIT WAS BASE LOADED THIS MONTH, THERE WERE NO SHUTDOWNS.

ON APRIL iST OUR STATE NPDES PERMIT REQUIRES THE PLANT TO GO TO CLOSED CYCLE OPERATION WITH 150 CFS BLOWDOWN. THIS REDUCED THE UNIT'S MWE

-0UTPUT'DUE TO HIGHER INLET TEMPERATURES OF THE CIRCULATING WATER SYSTEM..

COOLING TOWERS WERE ALSO PLACED IN SERVICE.

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d CURRENT CONTINUOUS OPERATING RUN OFL 062 DAYS.

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I DOCKET NO. 50-202 UNIT: PRAIRIE. ISLAND NQ.1_.

.-DATEL-MAY 2, 1990--

COMPLETED'BY DALE DUGSTAD-

TELEPHONE : 612-380-1.121 -437.6 :

=MONIUi.eE81Li_____1220__

1 DeY eVEBeGE_DeILY_EQWER_ LEVEL.(MWE:NEIl 1

504-

, '508-3 5111 4

505:

5-500~

l6 544' 7

.51 7.

'O 515' 9-502-

.10 505-d 11 515 12 518-ed

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~517 '

i4 509:-

15

,515

. 16 512-N 17-517 M

18 500:

19 504 20 499-21 L503.

22 498 y

23 497 ll 24

,499 25 497--

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499 27 501i 20 492-29 504-C,,30-506 1

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.i AVERAGE LOADS ABOVE;$03 MWE-NET ARE.DUE TO COOLER CONDENSER CIRCULATING WATER:

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r DEEBeIING_ Dele _ BEE 0BI-DOCKET-N0ii50-202:

UNIT PRAIRIE ISLAND-N0.1_.

DATE'MAY'2,Li990 COMPLETED DYLDALE"DUGSTAD TELEPHONE 612-388-1121-4376' DEEReIING_IIGIUS<

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EBoIBIE_ISLeND ND._i l NOTES:

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2. REPORTING PERIOD:_eEBIL______1220___.

13.-LICENSED' THERMAL POWER (MWT)*

1650

.I 1

4. NAMEPLATE ~ RATING ^(GROSS MWE):

593

'l:

_l-zS.

DESIGN ELECTRICAL. RATING (NET MWE): 1530 l

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6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 534 l

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7. MAXIMUM DEPENDABLE. CAPACITY (NET MWE):

503-1_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ li 8.

IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS' NUMBER 3 THROUGH 7)

'SINCE LAST REPORT GIVE REASON:

NONE_______________________________

9. POWER' LEVEL TO WHICH RESTRICTED,-IF ANY (NET MWE):

_NONE______________

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10. REASONS FOR RESTRICTIONS, IF-ANY:__NONE_________,._____________________

-IHII_dONIHl YB:IO:DeIE.

'CUdWLeIIYEI

11. HOURS IN REPORTING PERIOD

'719-

-2879 143519 l

12. NUMBER-OF HOURS REACTOR WAS CRITICAL 719.0-Ji979.2 121098.7 213. REACTOR RESERVE' SHUTDOWN HOURS

'O.0' 1010 5571.i l

'i4. HOURS GENERATOR ON-LINEE 719.0J 11907.3-119555.6

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15.-UNIT RESERVE SHUTDOWN HOURS 0.0 0.0-O'.01

16. GROSS THERMAL ENERGY: GENERATED'(MWH) 1185750 2771975

=188133429o l

17. GROSS, ELECTRICAL ENERGY GENERATED: (HWH) 387690-917390

~61709950L

18. NET-ELECTRICAL ENERGY GENERATED (MWH)-

1364111 859705' 57913039

19. UNIT ~ SERVICE FACTOR 100.0 66.2 83.3i

20. UNIT. AVAILABILITY FACTOR

-100:,0 66.2 03.3

'j (21. UNIT CAPACITY FACTOR-(USING MDC NET)-

100 7.,

59.4'

=80.2' a

22.-UNIT CAPACITY FACTOR (USING DER NET) 95.5 H56.3-76L i,

J 123k UNIT FORCED OUTAGE RATE 0.0-i.7 5;9' n

124.LFORCED OUTAGE HOURS 0.0 33.9 7516.4K

>25. SHUTDOWNS SCHEDULED DVER NEXT 6 MONTHS (TYPE,-DATE16 DURATION'0F.EACH):

_____a._____________________Nte_________________________________________

(26. Ifi CURRENTLY SHUTDOWN.EST! MATED STARTUP-DATEi_________N4e______________

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UNII SHUIDOWNS_eND_EDWER.BEDUCIION-

. DOCKET NO 50-282

. UNIT 5NAME EBeIBIE_ISLeWD_NO._i' l

4 DATE'd6Y12 _1220_______

COMPLETED BY: DELE _DUGSIeD______.

TELLEPHONE 612-3BB-1121-e326 1

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00NIuleEBIL______1220______.

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DeIE IYEE HOURS BEeSON HEIUDD' LER_NUMBEB 'IIIIEd CQHEONENIL YY/MM/DD 000.0 r

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IYEE REeSON MEIHQD SYSIEd_ CODE-F-FORCED A-EQUIPMENT FAILURE i-MANUAL.

DRAFTz,IEEE STD-41 S-SCHED-B-MAINTENANCE OR TEST' 2-MANUAL TRIP-005-1984(P805-D5) 4 C-REFUELING

~3-AUTO-TRIP D-REGULATORY RESTRICTION' 4-CONTINUEDL E-OPERATOR TRAINING &

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' DOCKET NO. 50-306 l

-UNIT PRAIRIE ISLAND ND.2_

J DATE MAY 2, 1990~

COMPLETED BY DALE DUGSTAD, TELEPHONE 612-388-1121-4376

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t MONIBl eEBIL______122h__

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-THE. UNIT WAS BASE LOADED THIS MONTH.

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ON-THE16TH W 2058:THT? UNIT'S GENERATOR WASHTAKEN OFF-LINE TO' ALLOW ~

REPAIRS TO 21-'FEEDWATER HEATER-(TUBE LEAK) AND CLEAN THE CONDENSER!TUDES.

STARTUP WAS DELAYED A' FEW' HOURSJTO -COMPLETE A. CHECK 0F LTHE 2M' BUS BAR.

4 THE. GENERATOR WENT ON-LINE & 1440'0F THE 0TH.JTHEKREACTOR WAS-O'HOTJSTAND

-BY DURING THIS EVENT.

ON THE 11TH G 2003 THE GENERATOR WAS TAKEN OFF-LINE'.TO ALL'0W REPAIR TO'

'THE1HIGH. SIDE DISCONNECTS. AS THE. TURBINE:WAS! COOLING'DOWN THE TURBINE-THRUST BEARING OIL SEAL FAILED CAUSING'. ADDITIONAL 1 PROBLEMS. 0117412 0F --THE -

-12TH THE REACTOR WAS PLACED IN HOT-SHUTDOWN.:AFTER REPAIRS WERE COMPLETED.

)

THE REACTOR WENT CRITICAL 9'i403 0F THE 14TH AND PREPRATIONS WERE: UNDERWAY' 4

TO COMMENCE STARTUP OF THE TURBINEr HOWEVER STARTUP-WAS: DELAYED"DUE-TO PROBLEMS WITH A FIELD EXCITATION BREAKER. WITHl ALL PROBLEMS: RESOLVED: THE:

GENERATOR -WENT ON-LINE _0 :0903 0F 'THEJ i'6TH AND THE UNITE REACHEDtFULL: POWER -

-OPERATION 9 1910.

THE AMERTAP SYSTEM WAS OUT OF SERVICE FROM THE 18TH TO :THE 23RD WHI{H: ;

LOWERED THE' UNIT'S MWE'0UTPUT.

t ON APRIL iST OUR STATE NPDES PERMIT REQUIRES THE' PLANT TO GO TO CLOSED-CYCLE-OPERATION WITH 150 CFS BLOWDOWN.~THIS REDUCED THEEUNIT'S MWE 0UTPUT E

DUE TO HIGHER-INLET TEMPERATURES OF.THE CIRCULATING WATER. SYSTEM.~ COOLING' TOWERS WERE ALSO PLACED IN SERVICE.-

i CURRENT CONTINUOUS OPERATING-RUN OF 014-DAYS.

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DOCKET NO.=50-306-.

.l UNIT ~ PRAIRIE: ISL AND ' HQi2.

-DATEiMAY.2, 1990-4; COMPLETED BY_ DALE DUGSTAD>

TELEPHONE 612-380-1121-4376 4

HQNIHi_oE81L

.___1220 _-

1 1I Det eVEBeGE DeILY EDWE8 LEVELi.it1WE:NEll-a 1-

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2 487-d 7

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489 4

483

.5 487::

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-11 399' 12

-16 13

-17 14

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-i7-16 230-1 17 514-:

18 497'

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A95-21

-506 3

22 501 23

--501 24 A99 25 499--

'26 502 '

27'

-504-2 8 --

505 29 506--

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'507-AVERAGE LOADS ABOVE 500 MWE-NET ARE'DUE-

-TO COOLER CONDENSER CIRCULATING WATER t

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DOCKET NO./50-3061 i

UNIT PRAIRIE ISLANDLNO 2 <

. DATE MAY: 2,o 1990

' COMPLETED-BY DALE DUGSTAD TELEPHONE. 612-388-ii21-4376 j

i DEEReIING SIeIUS Li. UNIT NAME:.EBoIBIE_ISLeND_NO._2-c

2. REPORTING-PERIOD:_eERIL______1220___.

'l: NOTES:-

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53. LICENSED THERMAL POWER (MWT):' 1650 It l'

14. NAMEPLATE RATING (GROSS.MWE);

593-l' IL

5. DESIGN' ELECTRICAL RATING (NET'MWE):

530 F

l 1

6. MAXIMUM: DEPENDABLE' CAPACITY,(GROSS MWE): 531-

.l

.ll

7. MAXIMUM. DEPENDABLE CAPACITY (NET..MWE) 500 l'

=1-8.-IF CHANGES-OCCUR IN' CAPACITY RATINGS'(ITEMS; NUMBER.3.THROUGH 7)-

SINCE LAST REPORT GIVE REASON.:__NONE_-____________________________

j

9. POWER LEVEL TO WHICH RESTRICTEDr IF ANY.(NET MWE):__NQNE___ __________

-ior REASONS FOR RESTRICTIONS, IF ANY:__NQUE__

IUIS_dDNIH YB:ID:DeIE CUduleIIVE:

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11. HOURS-IN' REPORTING-PERIOD-

.719-

'2079

. 134637 i

.i2.-NUMDER OF HOURS REACTOR WAS CRITICAL' 674.61 2568.8:

118470.5 13.. REACTOR RESERVE SHUTDOWN HOURS-

-0.0 0.0.

1516.1-oi 4. HOURS GENERATOR ON-LINE 5568.3; L2434.1!

- 117202. i g s

15. UNIT: RESERVE SHUTDOWN HOURS

'O.0-0.0

.0.0

16. GROSS THERMAL ENERGY. GENERATED-(MWH)'

924720~

- 3939465-i85167712' l

01-17. GROSS' ELECTRICAL ENERGY-GENERATEDL(MWH) -2970903

. 13030704 60045990

18. NET-ELECTRICAL. ENERGY GENERATED-(MWH)'

2769.45-1228345 56786138 y

19. UNIT 1 SERVICE FACTOR 79.0-84.5

. 87.1:

j 20.-UNIT AVAILABILITY FACTOR ~

79.0

. 8 4 ~. 5.

87.1 e21.cuNIT CAPACITY FACTOR'(USING MDC

NET)-

77.0

- 85.3-

84'.4:

22. UNIT. CAPACITY. FACTOR (USING~ DER NET) 72.7

.~ 80.5' 79.6-4

-23. UNIT FORCED OUTAGE RATE 16 Ei

- 14. 2:

3 '. 3 -

-24. FORCED l0UTAGE. HOURS 109 ~. O '

-403'.'2.

3949.0 d

/25. SHUTDOWNS SCHEDULED OVER'NEXT.6 MONTHS'(TYPE, DATE.6 DURATIONfOF EACH):

REEUELING_eND_deINIENeNCE_IN_6UGUSI__1220______________________-

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.26. IF CURRENTLY SHUTDOWN ESTIMATED STARTUP DATEl_____N_e___________

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N-UNII_SUUIDOWNS_eND EDWE8_8EDUCIION DOCKET NO-50-306_.

UNIT.NAME E86181E_ISLeND_NO _2:

DATEideY_2 122O_______.

COMPLETED BY DELE _DUGSIeD _'____.

-TELLEPHONE.612-308-ii21-d326 dDNIU.teERIL-_____1220-.._

DeIE-.'IYEE UQUBS-- BEeSON HEIHQD LE8_ NUMBER SYSIEd -C0dEONENI-YY/MM/DD

.000.0 90/04/06 S

i41'.7' A

i N/A N/A

.,N/A 21 FEEDWATER HEATER TUBE. LEAK,- CONDENSER TUDE CLEANING.;

90/04/ii

F-109.0.

B 1

N/A.

N/A

-N/A HI SIDE DISCONNECTS,. TURBINE THRUST. BEARING OIL SEAL, FIELD;-

EXCITATION BREAKER.

5 IYCE REGION HEIUDD SYSIEd_ CODE F-FORCED ~A-EQUIPMENT FAILURE.

1-HANUAL' DRAFT.IEEELSTD4 S-SCHED)

D-MAINTENANCE OR TEST 2-MANUALLTRIP' 805-1984(P805-D5)-

C-REFUELING 3-AUTO TRIP D-REGULATORY RESTRICTION.4-CONTINUED-E-OPERATOR' TRAINING &

5-REDUCED LOADi C0dEONENI_ CODE

-LICENSE EXAMINATION 9-0THER F-ADMINISTRATIVE

-IEEE'STD 803A 1983-G-OPERATIONAL ERROR H-0THER

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