ML19259C173
| ML19259C173 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 06/01/1979 |
| From: | Hunstad A NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML19259C171 | List: |
| References | |
| NUDOCS 7906140239 | |
| Download: ML19259C173 (4) | |
Text
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Aru 7v,' r,t:vv Ar." n'j ergqiTr,c T"T_rRIrMCE Poa:P.T t'O. 50- 306 7717.T Pro f -i n T n).nvi re. 2 DA"'1 790601 Co'"'T.ETF9 TN A. A. Hu.nJ_tiad TT.77".0"5 61;-208-/767 7
C o
A F""tT'l May 1979 In The unit was in Load Follow operation this month.
At 2105 on May 7th the Ei unit was removed from service and cooled down to modify the safety injection C;
actuation logic to 2/3 low pressurizer pressure. The unit was returned to service ni at 1721 on May 9th.
2278 258 7 9064. 409d
DAILY UNIT POWER OUTPUT
(.
DOCKET No. 50-306 UNIT Prairie Island No. 2 DATE 790601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTil May 1979 DAY AVERAGE LOAD MWe-Net DAY AVERACE LOAD We-Net 1
516 17 498
?
508 18 496 3
514 19 499 518 20 394 3
513 21 494 6
513 22 495 7
418 23 478 8
-15 24 431 9
71 25 500 10 499 26 499 11 501 27 360 12 502 28 371 13 510 29 492 14 507 30 400 15 502 31 403 16 498 Average loads above 500 We-Net are due to cooler condenser circulating water.
2278 259
OPERATING DATA REPOR_T
(
DOCKET NO 50-306 DATE 790601 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-4767 1.
Unit Name:
Prairie Island No. 2 2.
Reporting Period:
May 1979 Notes f
3.
Licensed Thermal Power (MWt):
1650 f
4.
Nameplate Rating (Gross MWe):
593 5.
Design Electrical Rating (Net MWe):
530 l
6.
Maximum Dependable Capacity (Cross MWe):
531 U
7.
Maximum Dependable Capacity (Net MWe):
500 g
8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:
tE Give Reason:
C
[
9.
Power Level To Which Restricted, If Any (Net MWe)?
o7 10.
Reasons for Restrictions, If Any:
This Month Yr-To-Date Cuuulative 11.
liours In Reporting Period 744 3623 38949 12.
Number Of Hours Reactor Was Critical 703.2 3576.5 34020.1 13.
Reactor Reserve Shutdown Ifours 0.0 3.3 1382.0 14.
Hours Generator On Line 699.7 3568.1 33303.7 15.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.
Cross Thermal Energy Generated (MWil) 1129301 5832193 51851478 17.
Gross Electrical Energy Generated (MWii) 355340 1925820 16513560 18.
Net Electrical Energy Generated (MWH) 333115 1813496 15459084 19 Unit Service Factor 94.0 98.5 85.5 20.
Unit Availability Factor 94.0 98.5 85.5 21.
Unit Capacity Factor (Using MDC Net) 89.5 100.1 79.4 22.
Unit Capacity Factor (Using DER Net) 84.5 94.4 74.9 23.
Unit Forced Outage Rate 0.0 0.3 5.5
?4.
Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):
Refueling, December 79, 5 weeks 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:
2278 260
~.
_ UNIT SHUTUO'e.NS AND F0WER RKDUCTIONS DOCKET N3.
30 306 REPORT MONTH May 1979 UNIT ILETE gairie 131and No.
2 DATE 790601 CO:IPLETED 3Y A. A. Hunstad TELEPriO53 512-333-4767
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1 Ia ju [i Liceusea j se u
Causa & Cactactiva m
Date 3.
3y 5
0.5.8 Event 1' 3 3 8m Actioa to x
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790507 S
44.3 H
1 N/A SF INSTRU Shutdown and cooldown to modify
$' safety injection actuation logic.
-e mo i
8
!5 1
I l
i 8
I 1
E i
i l
F: Forced Reason Method:
Exhibit G-In-N S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for N
B-Maintenance or Test 2-Manual Trip Preparation of N
C-Refueling 3-Automatic Trip Data Entry Sheets O
D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination Report (LET) Fila N
F-AdministratEve (NUREG-0151)
G-Operational Error (Fxplain)
H-0thar (Explain Exhi'.>it 1 - 3 rc2 2'er:2