ML20247F229

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Monthly Operating Rept for Aug 1989 for Maine Yankee Atomic Power Station
ML20247F229
Person / Time
Site: Maine Yankee
Issue date: 08/31/1989
From: Hall S, Whittier G
Maine Yankee
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GDW-89-292, MN-89-115, NUDOCS 8909180109
Download: ML20247F229 (13)


Text

.. . _ _ _ _

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r ,4 t ". MaineYankee RELIABLE ELECTRICITY FOR MAINE SINCE 1972 EDISON DRIVE . AUGUSTA, MAINE 04330 . (207) 622-4868 September 11. 1989 p MN-89-115 GDH-89-292 l' ,

. UNITED STATES NUCLEAR REGULATORY COMMISSION Attention
Document Control Desk Hashington,'D. C. '20555 l

References:

(a) License'No. DPR-36 (Docket No. 50-309)

(b)~ NUREG-0020, Licensed Operating Reactor Status Summary Report

Subject:

Maine Yankee Monthly Statistical report Gentlemen:

Enclosed you will find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for August, 1989.

Very truly yours, MAINE YANKEE

_b!0*llV G. D. Whittier, Manager Nuclear Engineering and Licensing GDH:HSD Enclosure c: Mr. Richard H. Hessman Mr. William T. Russell Mr. Eric J. Leeds Mr. Cornelius F. Holden

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f st L 04331-SLH-00041

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l-Maine gankee i

Monthly Statistical Report For August 1989 i

I

. OPERATING DATA REPORT Docket No.: 50-309 Dato: 07/ Ssp /89 f .' '

Completed By: S. L. HALL Telephone: 207-622-4868

1. Unit Name....................................... Maine Yankee
2. Rcporting Period................................ Aucust 1989
3. Licensed Thermal Power (MWt).................... 2700
4. Nameplate Rating (Gross MWe).................... 890
5. Design Electrical Rating (Net MWe).............. 840
6. Maximum Dependable Capacity (Gross MWe)......... 870 7.. Maximum Dependable Capacity (Net MWe)........... 830
8. If Changes in Capacity Ratings (Items Number 3-7)

Since Last Report, Give Reasons:

Maine Yankee Received an Amendment to Plant Technical Specifications Increasino Thermal Power Ratino from 2630 Mwth to 2700 Mwth.

9. Power Level to Which Restricted, if Any (Net MWe)
10. Reasons for Restrictions, if Any: l THIS MONTH YEAR-TO-DATE CUMULATIVE
11. Hours In Reporting Period 744.00 5,831.00
12. Number of Hours Reactor Was Critical........... 744.00 5,629.19 118,432.18
13. Reactor Reserve Shutdown Hours.................. 0.00 0.00 0.00
14. Hours Generator On-line.. 744.00 5,576.04 115,118.53
15. Unit Reserve Shutdown Hours.................. 0.00 3.00 0.00
16. Gross Thermal Energy Generated (MWH)........ 1,944,989.00 14,534,528.00 265,607,241.00
17. Gross Electrical Energy Generated (MWH)........ 659,810.00 4,938,270.00 87,026,630.00
18. Net Electrical Energy Generated (MWH)........ 639,522.00 4,773,186.00 83,261,360.00
19. Unit Service Factor...... 100.00 95.63 78.16
20. Unit Availability Factor., 100.00 95.63 78.16 l 21. Unit Capacity Factor (Using MDC Net)........ 103.56 100.73 71.19
22. Unit Capacity Factor (Using DER Net)........ 102.33 98.99 69.44
23. Unit Forced Outage Rate.. 0.00 4.37 6.94 l 24. Shutdowns Scheduled Over Next 6 Months: NONE 1
25. If Shutdown at End of Report Period, Estimated Date of Startup: N/A

-m_u_____ ___

. sp

r

' Docket No: 50-309 Unit Name: Maina Yankes

'I' Date: 09-06-89 Completed By: S. L. Hall-Telephone: 207-622-4868

,3 Report Month: August,11989 '

. NARRATIVE

SUMMARY

OF. OPERATING EXPERIENCES At the beginning of the month the unit was at 100% power.

~

~

On August 3,-power was reduced to 49% due to a dropped CEA. .The unit was returned to'75% and held there for turbine valve and excess flow

. check.. valve testing. The unit was returned to 100% power.

On; August l4, power was' reduced to-75% to perform mussel' control and

. Circ. Water Box Cleaning. The unit was returned to 100% power.

-The' unit.was maintained ~at 100% power for the remainder of the month.

i L_.____________._____ _ _ _ _ _ _ _ .____..____._._.__m. _ . _ _ _ _ _

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

o i AVERAGE' DAILY UNIT POWER LEVEL 4

'FOR" AUGUST 1989- .

h

  • E Docket No.: 50-309.

Unit: Maine' Yankee-Date:- . 07/Sep/89 Completed By: ~ S. L. HALL Telephone: 207-622-4868 Day. Avg. Daily Power Level Day

~

Avg. Daily Power Level

.MWe-Net)

( *

(MWe-Net)

1 . . . .................. 866 16 ...................'.. 868

-2. . . . .......;..........~

870 . :L'7 ...............'..... 864-3 . . .................. 758 18 .................... 869 4 . . .................. 847' 19 .................... 867 L 5' . . . ..................

739 20 .................... 869.

6'- . . ............ ..... 86'8 21 . . . . . . . . . . . . . . . . . . . . - 870 7: . . . . . . . . . . . . . . . . . . . . - 867 22. .................... 868 8 . . .................. 866 23L .................... 869 9 . . .................. 865 24 .................... 872 110 . . .................. 867 25 .................... 870.

11 . . .................. 867 26- .................... 869~

12- . . .................. 869 27 ..............~...... 870 13- . . .................. 867 28 ............... .... 870 14 . . .................. 867 29 .................... '869 15 . . .................. 868 30 ..................... 865 31- .................... 868'

__ _ _ _ _ _ . _ _ _ _ _ ._...___________.._________m___._.___ _ __

,.UNhTSHUTDOWNSANDPOWERREDUCTIONS Docket No. 50-309 FOR AUGUST 1989 Unit: Maine Yankee I Date: 07/Sep/89 Te o e: 07 622 68 Page: 1 of I l

l

-Number L.R..to 49% L.R. to 75% )

Date 890803 890804 .

Type ( 1 )' F lf h S h

Duration

(Hours) 0 0 l

1 I l Rocson (2)- A jj B ll ll l i Mothod (3) 4 4 l{l ll ll LER # N/A N/A fl l

l. I i

-System Code (4) RB HB Component Code (5) CRDRVE VALVEX-C Power was reduced Power was reduced to 49% to recover to 75% for mussel a dropped CEA. control and cire The unit was water box clean-Cause and returned to 75% ing. The unit was Corrective power and held returned to 100%

-Action there for turbine power.

valve and EFCV testing. The unit was returned to 100% power.

1. TYPE: ' 2. REASON: (cont) 4. SYSTEM CODE:

(F)orced F-Administrative Exhibit G-Instructions

'(S)cheduled G-Operational Error for Preparation of Data H-Other (Explain) Entry Sheets for

2. REASON Licensee Event Report A-Equipment Failure 3. METHOD: (LER) File (NUREG.0161)

-B-Maintenance or Test 1-Manual C-Refueling 2-Manual Scram 5. COMPONENT CODE:

D-Regulatory Restriction 3-Automatic Scram Exhibit I-Same source

'E-Operator Training & 4-Other (Explain) as above.

License Examination l

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, MAINE YANKEE MONTH August 1989 LOAD REDUCTION TIME DURATION l TIME l l TIME l l TIME l TIME l l TOTAL'l l START l %- l STAB- l% l START l STAB- l% l TIME l DAY l DOWN IPWR l ILI2ED IPWR l UP l ILIZED lPWR l (HRS) l REASON 1 l l I l l l l l l 2 I I I I I I I l l 3 l1145 l 1001 1319 149 l 1445 l1645 l 75 I 5.0 IDropped cFA Rnd Mn. A9

3. I l l 1645 175 l 2030 12300 l'1001 6.25ITurbine valve and RFcv T.= ring 4 \I2100 l 100l '
l. I I I l Icire unter nny c1.nn4ng ena 5 I I I 0015 175 l 1200 lison Iinni18.0 IMussel control.

-6/71 I I I I I I I I 8 'l I I I I I I I I 9 l I l I 1 I I l l 10 l  ! I I I l 1 1 I 11 l 1 l i I I I l l 12 .I I I I I I I I i 13 l' I I I I I I I I 14 l l l l I I I I l 15 I I l I I I I I i 16 l l l l l l l l l 17 l l l l l l l l l 18 I I I I I I I I I

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-23 I I l l l l l l l 24 I I I I I I I I I 25 I I I I I I I I I 26 l l l l l l l l l

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MY-NSS-6-89

. MONTH August 1989 OUTAGE & AVAILABILITY TIMES

~

TIME TIME TIME TIME TIME TIME

, RX . RX , RX NOT RX , UNIT , UNIT DAY l REASON l TRIP l CRIT. I AVAIL. l AVAIL. l TRIP l PHASED l 1 1 There were no outanes this m o n t!h . I 1 l l l l 2 I I I I I l l l 3 l l l l 1 1 1 l 4 I I I l l I i j 5 I I I I I I I l 6 I I I_ l l l -l 7 'l I l_ l l l 1 l 8 i l I I I I I l

'9 l l I 1 I i l l 10 I I I I I I l l 11 I I I I I I I l 18 I I I I I I i l 13 l l l l l 1 I [

14 I I I I I I I l 15 I I I l l l l _l ,

16 I I I l l l l l 17 l l l l l l l l 18 l l l l l l l l 19 I I I I I I I I 20 l I I l l l l l 21 I I I I I 1 l l l 2R I I I I I I I l 23 l l l 1 I I I l 24 I I I I I I I l j 25 I I I I I I I l 26 I I I I I I I I >

l 27 I I I I I I I I 38 I I I I I I I l l

29 l l l 1 l l l l )

l 30 I I I I I I I I )

l 31 IThere were no outages this monthj l  ! I l l l l i

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9

. ,Deriod Hours = PH =' 744.0- Uni @ Rating WNC(Normal) =

.l- 865.0 ~ - MWe Net-Unit Duiage (A) Planned (B) Maintenance (C) Forced- (D) Extended (E) Reserve Hours- 0. 0 0.0 0. 0

]

0. 0 0. 0 j

. Partial (F) Unplanned (S) Seasonal (K) Planned ' Planned Outage Start Date Reduction 962.3 3,720.0 4,276.3 f

MW-brs: '

(H) Gross Gen.(MWth) (1) Net Gen. (MWe) l Fuel Cost 1,944,989.0 639,522.0 3,467,564.0

' CALCttATED DATA Service Hours = SH = PH - (a+b+c+d+e) = 744.0

-l 0. 0 = 744.0

{

Available Hours = AH = SH + e =' 744.0 + - 0. 0

=l 744.0

{

Equivalent Unit Derated Hours = EUNDH = (f+k) i rating 5,238.6 i ,

265.0

{={ 6.1

{

Equivalent Seasonal 3,720.0 865.0 = 4.3 Derated Hours = ESDH = g i rating = l i Thermal KBTU's = h x 3.4128 = 1,944,989.0 x 3.4128 {=l6,637,858,602.4 {

CALCULATED PERFOMANCE FACTORS

- AVAILABILITY FAC7OR = AF = (Availalbe Hours i Period Hours) x 100 =

AF = (AH i PH) X 100 = 744.0 fi 744.0 x100=l 100.0 5{

EQUIVALENT AVALIBILITY FACTOR = EAF = Available Hours - (Eaufvalent Derated Hours + Eculvalent Seasonal Hours) x 100 =

Period Hours 744.0 -

5.1 + 4.3 EAF = AH - (EUNDH + ESDH) x 100 = x100= 98.6  %

PH 744.0 f

CAPACITY FACTOR = CF = Net Generation x 100 =

Period Hours x Unit Rating 639,522.0 CF = i x 100 = x100=L 99.4 PH x Rating

%f i

L 744.0 x B65.0 f

FORCED DUTAGE RATE = FOR = Forced Outane Hours x 100 =

ForcedOutageHours+ServiceHoursi oo I ,

FOR = 0 x 100 = -

v100= 0. 0 C + SH 5f

0. 0 744.0 f f+-

UNIT HEAT RATE = HR = Fuel Enerov Consumed (Muth) x Conversion (BTU)= - -

Net Beneration (MWe) 6,637,858,602.4 HR = KBTV's f=

10,379.4 BTU i "W-HR 639,522.0

]

Prepared by: Date

1 . .

11 11111111111111 I l l ! ! I l lI 11 I I I I I l l 11111 I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I ! ! I I I I I 11111.

-. MAINE. YANKEE ATOMIC _. POWER. COMPANY- -_ _ . _

WISCASSET , MAINE MONTHLY RLPORT FOR AUG. 1989

  • LLECTRIC LOG
  • _MDN1H Y{f,R, TO DATE 1

-- GROSS. ELECT RIC. GEN ER A110N .-(MWH) . ..-_ _-.._ 659810.0. _4938270.0 87.026630.0_. . I SIAIION SERVICE ( A Ux . T R ANS. ) (MWH) 0.00 4931.00 378885.00 SIA110N SERVICL (S T A . TRANS.) (MWH) 20288.00 165084 00 3765273.00

-- NL.1 ELECTRICE GENLR AT 10N.. (MWH). .. 639522.00_ A7.73186.00..83261360 00._._.

ON LINL TIML ( H O UR S) 744.00 5576.04 115118.53 SHUI DOWN TIME ( HO UR S ) '0.00 254.96. 32243.30

-- . PL ANT.. C AP ACIT Y. F AC TO R (OESIGN NLT) 104.19 _ _99 22.. ._. . ._. . 6 9 4 5 _..

  • PLANT PLRFORM ANCE LOG
  • 3pNTH Y{AR j . C . _0 _.

NE1 PL ANT EFFICIEN CY (PERCENT) 32 880 32.840 31 355 l

NEl PLANT HL AT. H AT E. _(B10/KWH) 10377.47 10390.16._ _10882.45..

PLANT IFLHM AL C APA CI T Y (PLRCLNT) 96.823 92.320 68 947 REACTOR PLAN 1 A V,AI LA B I L I T Y (PERCENT) 100 000 99.906 84.812 PLANT AVAILABILITY (PERCENT) 100.000 95.627. , _... .78.164

  • NUCLLAR L OG
  • E9,H1H f,LAS 10_DAT[,  !

GROSS THLHMAL GLhE RA TION (MWH) 1944989.0 14534528.0 265607241.0 S1AR10PS 0 4 . 187

[-. g HEAIUPb 0 0 42 SCHAMS 0 2 111

. _ . - - C00LOOWNS- ---. - - . 0-_..___. 0 . _ _. _ 41.

SHUIDOWNS 0 4 183 FULL LOAU RL JLC T IO NS 0 2 33 6--- --

- A V L H A G E CORE BURNUP (MWO/T0h) 984 055 7353.652 7466 826* l I

l.

S.L.O. : VALUL FROM..THL START.0F COMMLRCIAL OPLRA, TION, 12/28/1972 AT 0000-_ .,

  • = VALUE FOR 1HE PRESEN1 CORE 3

- l 81 1111 ! I I 1111111111111111 11 1111111111 I I I I I I I I I I I I I I I I I I I I I I I I I I I I 11111111111111111111l m.____.._m__m_____m.- _ _ _ _

I I I II I I I I I I I I I I I I I I I I I I I II II I I I I I I I II I I I I I I I I I I I I I I I I I I I I I I I I I I I 1111111111111111111111 fY 4 Ia

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M ALNE._ Y ANKEE_AIDMlC_EDWER_ COMPANY _

WISCASSET , MAINE MONTHLY RLPORT FOR AUG. 1989

  • ELECTRIC LOG *- 52hJ,H

.Y.QE - 'TD DATE

' G ROSS_E L E CT R I C_. G EN EILA T 1 O N_ ( M W H ) 659810.0- 4_93 8210 D... .. 87 0 2663n o STATION SERVICE ( A UX . TRANS.) (MWH) 0.00 4931.00 378885.00 N.M. , jST A110N . SERVICE < (S TA .. TR ANS.) . (MWH)

.20288.00 165084.00 3765273.00-x . -

' N tLI ELEI.T.R I C _GE N ERAI_I O N- ( M W h.) ____ 6 33522 01L.___4111186. D_D._8326136.0. 0.0 ON LINL TIML ( H O UR S) 744.00 5576.04 115118.53 SHUT.00WN TIME ( HO UR S ) 'O.00 254 96 32243.80 ELANJ _C AP ACI T-Y._F.AC TO R._(D ESI GN NE T.) 104.19 93.22 6 9. A5.

  • PLANT PERFO RM ANCE LOG
  • MANTH YQR MS.t.

., , . NET PLANT EFFICIEN CY . (PERCENT ) 32 880 '32.840 '31.355 '

N E.1 EL A N T-_HEAJ- R A T E_( B T U / K W H ) . . 105_7_7. 47__ _la3_9.0.16. 10sB2.A5 PLANT T HERM AL C APA CI TY (PERCENT) 96.823 92.320 68.947 REACTOR PLANT A V,AI LA B I L I T Y (PERCENT) 100 000 99.906 84 812 P.L ANT _A V A I L AB I LI lY-( PERC EN T.)_ _- 10 0 . 0 0 0__.__. ._ _9 5 .6 27 78.164

  • NUCLLAR LOG
  • ggglu J,[,A,,R, TO DATL GROSS THERM AL GENERA TION (MWH) 1944989.0 14534528.0 265607241.0

.SJARJUPS_.-. _..__ . _ _ _ 0 __ _4 _.187 __ _

HEATUPS 0 0 42 SCRAMS 0 2 III "00LOOWNS 0 0 41

~

SHU100WNS 0 4 183 FULL LOAD REJLCTIONS 0 2 33 A VER AGE -COR E_BURhu P-(MWD / TON) . _984 055 7353.652 7466.826*

( S.C 0. - V A LU E_ERO M_.T Ht;_ST AR T_O F_ IOMM ER CI AL_0 P ER A,T I O N e _12 /2E /l.9.72 A.T_0 0 0 0 h * = VALUE FOR THE PRESENI CORE l

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