ML20150D899

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Monthly Operating Status Rept for June 1988 for Cooper Nuclear Station
ML20150D899
Person / Time
Site: Cooper 
Issue date: 06/30/1988
From: Horn G, Scheuerman J
NEBRASKA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
CNS888145, NUDOCS 8807140224
Download: ML20150D899 (5)


Text

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i UNITS!!UTDOWNS AND POWElt RiiDUCl!ONS DOCKliT NO. 050-0298 UNIT NAAtE.GE _

nAan n7_nn_nn CO.\\lPl.ETI!D 1:Y

.T.

T.

Schaugra n R.EPORT h!ONTil June, 19RR g

.! ?

'h e

}YE I.icensee

,E-r, j ^.

Cause & Correceive g

No.

Date R

5 Ij 255 livent 3,3

{

Action to F

yE 5

s. 6 g fleputt rt v) U Prevent Itecuter.nce 3

ou O

88-02 880305 S

422.7 C

2 N/A N/A N/A Reactor shutdown for 1988 (EOC11)

Refueling and Maintenance Outage.

Total outage duration was 2529.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

88-03 880619 S

1.7 B

1 N/A N/A N/A Generator off-line for turbine i

testing.

88-04 880619 S

0.7 B

1 N/A N/A N/A Generator off-line for Generator electrical protection System maintenance.

I 2

3 4

F: Forced Iteason:

Method:

Extilhit G. Inuructions S: Scheduled A liiluipment Failure (Explain) 1-Manual

- for Picparation of Dans D hlaintenance uiTest 2 hlanual Scram.

linter Sheets fm 1.ieensee gg C Itefueling 3 Automatic Scram.

livent Itepos (Lt.'It) 1:ile INtiltl'.t;-

p D Itegulaiory Itcstriction 4 Other (lixplain) 0161) li Ope:ator Training & License Exaininatinn

' 4 F At!ministrative 5

G. Operational Errut (Explain)

Exhibit ! Same Source

_ - 19/77) _

ll Other (Explain) i 8807140224 880189 PDR ADOCK 05000298 02 Ti"TGD

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

050-0298 UNIT CNS DATE 07-08-88 COMPLETED BY J.

T.

Scheuerman TELEPHONE (402) 825-3811 I

MONTH June, 1988 l

DAY AVERAGE DAf LY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL i

(MWe-Net)

(MWe-Net)

I O

17 0

_2 0

Ig 33 fl

~3 0

19 97 i

i s

4 0

20 241

~

S n

21 412

}

6 0

22 529 7

0 23 572 8

0 24 612 i

f

'9 0

25 621 f

0 10 3

q,9 11 0

27 616 12' O

l 28 720 13 0

29 7%

14 n

30 724 15 0

3l 0

16 0

INSTRUCTIONS l

On this format. list the average daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

(9/77)

'I I E@

. -489 p

b 4'1 y

( fa i *A m hmd in

1 l

OPERATING DATA REPORT DOCKET NO. 050-0298 DATE n7-nR-RR COMPLETED BY

.T P

nchouerinan TELEPHONE ran?) R95-3811 OPERATING STATUS bOI'5'

1. Unit Name:

Coormr Nuciear Station

2. Reporting Period:

June, 1988

3. Licensed Thermal Powe-(MWt):

2381

4. Nameplate Rating (Gross MWe):

836

5. Design Electrical Rating (Net MWe): 778 787
6. Maximum Dependable Capacity (Gross MWe):

764

7. Maximum Dependable Capacity (Net MWe):
8. If Changes Occur in Capacity Ratings (!tems Number 3 Through 7) Since Last Report, Give Reasons:
9. Power Level To Which Restricted,if Any (Net MWe):
10. Reasons For Restrictions. lf Any:

This Month Yr to.Date Cumulative

11. Hours In Reporting Period 7?n.n 4.367.0 122.736.0
12. Number Of Hours Reactor Was Critical 331.7 1,628.7 91,636.1
13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0
14. Hours Generator On Line 294.9 1,576.1 90,120.5
15. Unit Reserve Shutdown Hours 0.0 0.0 0. ')
16. Gross Thermal Energy Generated (MWH) 510.192.0 3.139,632.0 177,770,339.5
17. Gross Electrical Enc.gy Generated (MWH) 159.4R7.O _,_.

1.031.514.0 57,090,595.0

18. Net Electrical Energy Generated (MWH) 156.041.0 996,137.0 _ 55,024,761.0
19. Unit Service Factor 41.0 36.1 73.4
20. Unit Availability Factor 41.0 36.1 73.4
21. Unit Capacity Factor (Using MDC Net) 28.4 29.9 58.7
22. Unit Capacity Factor (Using DER Net) 27.9 29.3 57.6

.23. Unit Forced Outage Rate 0.0 14.1 4.8

24. Shutdowns Scheduled.Over Next 6 Months (Type. Date.and Duration of Each t:
25. If Shut Down At End Of Report Period. Estimated Date of Startup:
26. Units in Test Status (Prior to Commercial Operation):

Forecast Achieved INITIA L CRITICA LITY INITIAL ELECTRICITY COMMERCIAL OPER ATION l

.(4/771

OPERATIONS NARRATIVE Cooper Nuclear Station June, 1988 The 1988 (EOC11) Refueling and Maintenance Outage continued until 1441 on June 18, 1988 when the generator was synchronized to the grid.

At 0000 on June 19, 1988 the generator was taken off-line to test the overspeed trip circuitry for the turbine. The generator was synchronized back to the grid at 0140 on June 19, 1988.

At 1508 on June 19, 1988 the generator was taken off-line to investigate a problem with the Generator electrical protection system.

The generator was synchronized back to the grid at 1552 on June 19, 1988.

No other scheduled or unscheduled shutdowns, or unscheduled power reductions were experienced during the month of June.

A capacity factor of 41.0% was achieved for the month.

1

.=

l.

COOPER NUCLEAR 5T ATION e

.i:

Nebraska Public Power District

  • "
  • h"E *#d@l,""O'" ""'

CNSS888145 July 8, 1988 Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C.

20555

Subject:

Monthly Operation Status Report for June, 1988 Docket No. 50-298 Gentlemen:

a Enclosed for your information and use is the' Cooper Nuclear Station Monthly Operating Status Report for June, 1988. The report includes Operating Status, Average Daily Unit Power Level, Unit Shutdown Data, and a Narrative Summary,of.

Operating Experience.

Should you have any comments or require additional information regarding this report, please contact me.

Sin rel,

W Horn Div ion Manager of Nuclear Operations CRH/JTS:nd Enclosure cc: G. D. Watson w/ enc.

R. D. Martin w/ enc.

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