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{{#Wiki_filter:*,s o" An%T T r nii!^'PN n.'0": A i, ' N9 FWi !!T ENCE porxET t:0. 50-282 L7TT.T Preirie Islimd W.1 DATE 791101 Cf'.'TI ETF0 T.Y A. A . Hunstad | {{#Wiki_filter:* | ||
_, TET TTI'ONE 632-308-A767 o>ry"'O'IT!!OCTOBER 1979 S , p..On October 2nd a tube break occurred in No. 11 Steam Generator. The resultant k leakage caused a reactor trip at 1424 hours on low pressurizer pressure and safety injection initiation five seconds later. All safety systems functioned as designed, and the reactor was d.. awn and cooled down and the steam gener-ator isolated expeditiously following existing operating procedures. It was found that a foreign object (a spring) had caused mechanical wear of the fail-ed tube and one or two more tubes. Six tubes were plugged, a pressure test conducted and the steam generator was returned to service. The unit was re-turned to service at 0645 on October 23rd." 9 122 | ,s o | ||
..DAILY UNIT POWER OUTPUT | " An%T T r nii!^'PN n.' 0": A i, ' N9 FWi !!T ENCE porxET t:0. 50-282 L7TT.T Preirie Islimd W.1 DATE 791101 Cf'.'TI ETF0 T.Y A. A . Hunstad _, | ||
TET TTI'ONE 632-308-A767 o | |||
> | |||
.1 402 17- | ry "'O'IT!! OCTOBER 1979 S | ||
'7'9 123 | , | ||
..*OFFRATING DAT',RIPORT C DOCKET NO 50-282 DATE 791101 CO:1PLETED BY A. A. Hunstad | p.. On October 2nd a tube break occurred in No. 11 Steam Generator. The resultant k leakage caused a reactor trip at 1424 hours on low pressurizer pressure and safety injection initiation five seconds later. All safety systems functioned as designed, and the reactor was d.. awn and cooled down and the steam gener-ator isolated expeditiously following existing operating procedures. It was found that a foreign object (a spring) had caused mechanical wear of the fail-ed tube and one or two more tubes. Six tubes were plugged, a pressure test conducted and the steam generator was returned to service. The unit was re-turned to service at 0645 on October 23rd. | ||
'1.Unit Name: | ' | ||
Prairie Island No. 1 2.Reporting Period: October 1979 | "9 122 7911140 | ||
. | |||
. | |||
* DAILY UNIT POWER OUTPUT DOCKET NO. 50-9g7 UNIT Prairie Island No. 1 DATE 791101 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 | |||
. | |||
MONTH OCTOBER 1979 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net | |||
(''a-s Number 3 Through 7) Since Last Report: | . | ||
1 _ | |||
402 17 -3 | |||
' | |||
. | |||
277 18 -3 | |||
. | |||
._113390 __ | 3 -11 19 -15 4 -5 20 -19 5 -5 21 -20 6 -4 22 -19 7 -4 23 143 8 -4 24 269 9 -4 25 419 10 _ _ . | ||
2590980 1962187'.' | -3 26 481 11 -3 27 479 12 -3 28 479 13 -3 29 476 14 -3 30 476 15 -3 31 474 16 -3 Average loads above 503 MWe-Net are due to cooler condenser circulating water. | ||
18.Net Electrical Energy Generat..mi (Mul:) | '7'9 123 | ||
102195 2416833 18345265 19.Unit Service Factor 33.4 71.5 75.6 20.Unit Availability Factor 33.4 71.5 75.6 21.Unit Capacity Factor (Using MDC Net) 29.2 70.5 70.8 22.Unit Capacity Factor (Using DER Net) 25.9 62.5 u7.2 23.Unit Forced Outage Rate 66.6 19.4 13.5'4.Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Ecch): | |||
Refueling, Summer 1980, 5 weeks | . | ||
_ _ _ _ | . | ||
17'9 i24 | * OFFRATING DAT',RIPORT C | ||
..UNIT SHUT 30'.SS A190'4ER RZ3';'' ":S DOC"Er NO. | DOCKET NO 50-282 DATE 791101 OPERATING STATUS CO:1PLETED BY A. A. Hunstad TELEPHONE 612-388-4767 | ||
30-282 UNIT N!JIZ Prairia I sland No.1 | ' | ||
,_ | : 1. Unit Name: Prairie Island No. 1 | ||
512-333-476_7_, _ . . _ | : 2. Reporting Period: October 1979 * | ||
: 3. Licensed Thermal Power (MWt): 1650 | |||
: 4. Nameplate Rating (Gross MWe): 593 | |||
: 5. Design Electrical Rating (Net MWe): 530 | |||
' , .B-Maintenance or Test 2-Manual Trip Preparation of | : 6. Maximum Dependable capacity (Cross MWe): 501 __ | ||
L_ , | |||
G-Oper nional Error (F.xplain) | d 7. FL1ximum Dependable Capacity (Net MWe): 470 | ||
.e rianRATTr? r,it: men 0 : am' rtu r m Es:PERTENCE | , 8. If Changes Occur in Capacity Ratinge (''a-s Number 3 Through 7) Since Last Report: | ||
, por.gr.T ?!O. 50-306 TRIIT Prof rin Ts?.nrad Na. 2 DAT2 791101 Cr?OT T'TED T.Y A. A. mmatad | $ Give Reason: . . - - - - . . - | ||
. | , | ||
os | |||
: 9. Power Level To Which Restricted, Tf Anv (l'et MWe): ___ | |||
~ | |||
..DAILY UNIT POWER OUTPUT | : 10. Reasons for Restrictions, if Any: | ||
_ . . . . . _ _ _ . . . . _ | |||
This Month Yr-To-Date Cu.ulative | |||
.1 497 17 514 2 418 18 511.3 509 19 509 4 514 20 503 5 514 21 508 6 516 22 510 7 517 23 515 8 511 24 509 9 518 25 506 10 508 26 505 11 509 27 499 12 518 28 474 13 518 29 496 14 471 30 500 15 515 31 497 16 514 Average loads above 500 MWe-Net are due to cooler condenser circulating water. | : 11. Ilours In Reporting Period 745 7296 51504 | ||
(' " 9 127 | : 12. Number Of Hours Reactor Was Crirical 252.2 5308.0 39997.1 | ||
.s*.Oi'fyATI!iG DEUIf0RT (DOCKET NO 50-306 DATE 791101 C0!!PLETED BY A. A. Hunstad | : 13. Reactor Reserve Shutdown Hours 0 . 0 . _, | ||
_ _ _ _ _8_24.1 5279.2 | |||
Prairie Island No. 2 2.Reporting Period: October 1979 | : 14. Hours Generator on Line 248.7 5216.1 38933.3 | ||
: 15. Unit Reserve Shutdown 11onrs 0.0 | |||
_ , , , | |||
0.0 ___ | |||
531_, N 7.Maximum Dependable Capacity (Ne* MWel: | 0.0 | ||
: 16. Gross Thermal Energy Generated (U'.,'ll) 372109 8094243 60374825 | |||
: 17. Gross Electrical Energy Generated (FNIO ._113390 __ 2590980 1962187'.' | |||
,.m[9.Power Level To Which Restricted Tf Any (?'et ffWe): | : 18. Net Electrical Energy Generat..mi (Mul:) 102195 2416833 18345265 | ||
: 19. Unit Service Factor 33.4 71.5 75.6 | |||
: 20. Unit Availability Factor 33.4 71.5 75.6 | |||
0.0 , 0.0 | : 21. Unit Capacity Factor (Using MDC Net) 29.2 70.5 70.8 | ||
Refueling, January 1980, 5 weeks 25.If Shut Down at End Of Report Period, Estimated Date of Startup: | : 22. Unit Capacity Factor (Using DER Net) 25.9 62.5 u7.2 | ||
: 23. Unit Forced Outage Rate 66.6 19.4 13.5 | |||
.9 11 NIT PRIT00'NF APJ POT:R 'GI' ' ";s DOOR-'I N3. | '4. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Ecch): | ||
50 306 | Refueling, Summer 1980, 5 weeks _ _ _ _ _ _ _ . | ||
___A._A Hunstad..,_ , , _ , ,. . . .~~*TlL2PdOSE $12 333-4 M7--- | : 25. If Shut Down at End Of Report Pcciod, Estimated Date of Ctartup: | ||
17'9 i24 | |||
- | |||
._ _ _ ,_ , . . | . | ||
. | |||
#D-Regulatory Restriction 4-Other (Explain) for Licensea Event E-Operatar Training & License Examination Report (LER) File F-Maindtntive OFJREG-01M1.) | UNIT SHUT 30'.SS A190'4ER RZ3';'' ":S DOC"Er NO. 30-282 REPORT MONTH OCTOBER __1979 UNIT N!JIZ Prairia I sland No.1 DATE 791101 COMPLETED 3Y A. A. Hunstad _ _ _ , ,_ .. | ||
G-Opartti nal. Error (Unplain) | , _ . . _ , | ||
:l'-'' -222 | T2LEPdOSE 512-333-476_7_ | ||
..CORRECTED'Oi'FRATING DAT; PEPORT DOCKET NO 50-306 DATE 791001 C0!!PLETED BY A. A. Hunstad _ | , - | ||
_- | |||
Prairie Island No. 2 2.Reporting Period: September 1979 es 3.Licensed Thermal Power (MWt): | _ , . _ . _ _ . | ||
' | |||
593 1 5.Design Electrical Rating (Net MWe):_ 530 6.Maximum Dependable Capacity (Cross MWe): | a = m iu .-i'u Licansea ; | ||
34 ._, I Causa & Caccactiva Date S. | |||
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10.Reasons for Restrictions, i f A n't _ , _ _ _ _ __ , _ , , __ | 0 3 | ||
_ , _ _ , _ _ , . _ | .C ti SO | ||
;'3 Repart # j$$ 5 -$ Prevanc Jacurceaca 4 | |||
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l l 1 J 791002 ' | |||
i F 496.3 A 3 79-27 i tIJ HTEXCH Shutdown due to rupture of one 0 l ' | |||
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l e l l tube in No. 11 Steam Generator. | |||
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2 3 4 J F: Forced Reason Method: Exhibit.G-In-w S: Scheduled A-Equipment Failitre(Explain) 1-Manual structions for ',. | |||
-' | |||
B-Maintenance or Test 2-Manual Trip Preparation of C-Refualing 3-Automatic Trip Data Entry Sheets N 6 W D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination Report (LER) Fila F-Administrative (NUREG-0151) | |||
G-Oper nional Error (F.xplain) | |||
U-Other '7xp.ain 5 Exhi'ait 1 - h m " '222 | |||
. | |||
e rianRATTr? r,it: men 0 : am' rtu r m Es:PERTENCE | |||
, | |||
por.gr.T ?!O. 50-306 TRIIT Prof rin Ts?.nrad Na. 2 DAT2 791101 Cr?OT T'TED T.Y A. A. mmatad .. _ | |||
. | |||
TET.TPf'ONE 6) 2-3CC-a767 - | |||
o h M0'IT51 OCTOBER 1979 . | |||
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The unit was in Load Follow operation this month; no shutdowns. | |||
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. . | |||
. DAILY UNIT POWER OUTPUT DOCKET NO. 50-306 UNIT Prairie Island No. 2 | |||
, DATE 791101 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH OCTOBER 1979 UAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net | |||
. | |||
1 497 17 514 2 418 18 511 | |||
. | |||
3 509 19 509 4 514 20 503 5 514 21 508 6 516 22 510 7 517 23 515 8 511 24 509 9 518 25 506 10 508 26 505 11 509 27 499 12 518 28 474 13 518 29 496 14 471 30 500 15 515 31 497 16 514 Average loads above 500 MWe-Net are due to cooler condenser circulating water. | |||
( | |||
'"9 127 | |||
. | |||
s | |||
* | |||
.Oi'fyATI!iG DEUIf0RT | |||
( | |||
DOCKET NO 50-306 DATE 791101 OPERATING STATUS C0!!PLETED BY A. A. Hunstad TELEPHONE 612-388-4767] | |||
: 1. Unit Name: Prairie Island No. 2 | |||
: 2. Reporting Period: October 1979 * | |||
: 3. Licensed Thermal Power (MWt): 1650 | |||
: 4. Nameplete Rating (Gross MWe): 593 | |||
: 5. Design Electrical Rating (Net MWe):_ 530 | |||
: 6. Maximum Dependable Capacity (Cross MWe): 531_ , | |||
N 7. Maximum Dependable Capacity (Ne* MWel: 500 | |||
,- | |||
, | |||
: 8. If Changes Occur in Capacity Ratinne (ffems Number 3 Through 7) Since Last Report- | |||
$ Give Reason: . . _ . _ . . _ _ _ . . _ . _ _ _ _ . . _ _ _ | |||
, . | |||
m | |||
[ 9. Power Level To Which Restricted Tf Any (?'et ffWe): | |||
o* | |||
_ , _ , , | |||
_ _ _ | |||
: 10. Reasons for Restrictions, If Any ___ _ _ _ _ ,,_____ _ __ _ _ _ ,., | |||
_ _ _ . . . . . _ . . . _ | |||
This Month Yr-To-Date Co.olative | |||
: 11. Hours In Reporting Period 745 7296 42622 | |||
: 12. Number Of Hours Reactor Was critical 745.0 7242.2 37685.8 | |||
: 13. Reactor Reserve Shutdown Hours 6.5 0.0 1385.2 | |||
: 14. Hours Generator On Line 745.0 7229.8 36965.4 | |||
: 15. Unit Reserve Shutdown Hour:. 0.0 , 0.0 | |||
_ . , _ | |||
._ | |||
0.0 | |||
: 16. Gross Thermal Energy Cencrated (?f','ll) 1121050 11326804 57346089 | |||
: 17. Gross Electrical Energy Generated (FNT:1 400100 3717820 18305560 | |||
: 18. Net Electrical Energy Generat mi OS'H) 375449 3489459 17135047 | |||
: 19. Unit Service Factor 100.0 99.1 86.7 | |||
: 20. Unit Availability Factor 100.0 99.1 86.7 | |||
: 21. Unit Capacity Factor (lising MDC t:ct) 100.8 95.7 80.4 | |||
: 22. Unit Capacity Factor (Using DER Net) 95.1 90.2 75.9 | |||
: 23. Unit Forced Outage Rate 0.0 0.3 5.0 | |||
'4. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of E.xh): | |||
Refueling, January 1980, 5 weeks | |||
: 25. If Shut Down at End Of Report Period, Estimated Date of Startup: __ | |||
'"9 128 | |||
. | |||
9 11 NIT PRIT00'NF APJ POT:R 'GI' ' ";s DOOR-'I N3. 50 306 r.m ,DRT MO,.u, H UNIT N10G Prairi2 I;1and No. 2 OCTOBER.1979 | |||
- | |||
DATE J 3119,1 COMPL31'ED 3Y ___A._A Hunstad..,_ , , _ , , | |||
. . . . | |||
~ | |||
~* | |||
. | |||
TlL2PdOSE $12 333-4 M7--- | |||
_. . - _ _ | |||
. | |||
- | |||
.m { | |||
+ = m !% .: u Lia nsea ,se i 2 3 | |||
Cause & Carcactiva Date 3, x | |||
32 u u 5i 0 .3 O l a 1 -o a u Event 5 m0 .$3 $n 3 | |||
- | |||
I Actica to 6 oa o ou o Repart u3 Provanc Jacurreaca l m, a | |||
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-~- -- - - - -l . _ .i. , , . . . . _ . _ _ _ , _ , . . _ __.,____j 1 3 4 4 F: Forced ?~ R2ason Method: Exhibit.G-In- | |||
" | |||
S: Scheduled A-Equipment Failure (Explain) 1-Mantial structions for B '!aintanance or Test 2-Manual Trip Preparation of N | |||
C-L fualir.g 3-Automatic Trip Data Entry Sheets | |||
# | |||
D-Regulatory Restriction 4-Other (Explain) for Licensea Event E-Operatar Training & License Examination Report (LER) File F-Maindtntive OFJREG-01M1.) | |||
G-Opartti nal. Error (Unplain) | |||
L 0 t'.w r ,1::pi. a in 5 Exhi$tt 1 - :l'-' ' -222 | |||
. | |||
. | |||
CORRECTED | |||
' | |||
Oi'FRATING DAT; PEPORT DOCKET NO 50-306 DATE 791001 OPERATING STATUS C0!!PLETED BY A. A. Hunstad _ | |||
TELEPHONE 612-388-4767 | |||
: 1. Unit Name: Prairie Island No. 2 | |||
: 2. Reporting Period: September 1979 es | |||
: 3. Licensed Thermal Power (MWt): 1650 | |||
: 4. Nameplate Rating (Gross MWe): 593 1 | |||
: 5. Design Electrical Rating (Net MWe):_ 530 | |||
: 6. Maximum Dependable Capacity (Cross MWe): 531 __ , | |||
, | |||
u 7. Maximum Dependable Capacity (Net %'e): 500_ _ _ _ _ , | |||
g 8. If Changes occur in Capacity Ratinys Orems Number 3 Through 7) Since Last Report: | |||
$ Cive Reason: . _ _ _ _ _ _ . . _ _ _ _ _ _ . | |||
j* - - | |||
. . _ . . _ _ | |||
: 9. Power Level To Which Restricted. If Any (Pet m'c); _ _ , _ _ _ , _ _ | |||
: 10. Reasons for Restrictions, i f A n't _ , _ _ _ _ __ , _ , , __ _ , _ _ , _ _ , . _ | |||
_ _ _ . . . . _ . . . _ | _ _ _ . . . . _ . . . _ | ||
This Month Yr-To-Date Co.olative 11.Hours In Reporting Period | This Month Yr-To-Date Co.olative | ||
__ ,,720 6551 | : 11. Hours In Reporting Period __ ,,720 6551 41877 l | ||
: 12. Number Of Hours Reactor Was Critical 720.0 | |||
, | |||
6497.2_ _36940.8 l | |||
: 13. Reactor Reserve Shutdown Hours 0.0 6.5 1385.2 | |||
' "9 i30}} | : 14. Hours Generator On Line 720.0 6484.8 36220.4 ( | ||
: 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 | |||
: 16. Gross Thermal Energy Generated (IP..'H) 1154994 10205754 56225039 | |||
: 17. Gross Electrical Energy Generated (Ps'n) 369820 3317720 17905460 | |||
: 18. Net Electrical Energy Generated O!WH) 347023 3114010 16759598 | |||
: 19. Unit Service Factor 100.0 99.0 86.5 ( | |||
: 20. Unit Availability Factor 100.0 99.0 86.5 | |||
: 21. Unit Capacity Factor (Using MDC Net) 96.4 95.1 80.0 | |||
: 22. Unit Capacity Factor (Using DER Net) 89.7 75.5 | |||
_ 90.9 _ _ _ | |||
: 23. Unit Forced Outage Rate 0.0 0.3 5.1 g '4. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Ench): | |||
Refueling, January 1990, 5 weeks | |||
_ | |||
: 25. If Shut Down at End Of Report Period, Estimated Date of Startup: | |||
' "9 i30}} |
Revision as of 13:53, 19 October 2019
ML19210C404 | |
Person / Time | |
---|---|
Site: | Prairie Island |
Issue date: | 11/01/1979 |
From: | Hunstad A NORTHERN STATES POWER CO. |
To: | |
Shared Package | |
ML19210C401 | List: |
References | |
NUDOCS 7911140180 | |
Download: ML19210C404 (9) | |
Text
,s o
" An%T T r nii!^'PN n.' 0": A i, ' N9 FWi !!T ENCE porxET t:0. 50-282 L7TT.T Preirie Islimd W.1 DATE 791101 Cf'.'TI ETF0 T.Y A. A . Hunstad _,
TET TTI'ONE 632-308-A767 o
>
ry "'O'IT!! OCTOBER 1979 S
,
p.. On October 2nd a tube break occurred in No. 11 Steam Generator. The resultant k leakage caused a reactor trip at 1424 hours0.0165 days <br />0.396 hours <br />0.00235 weeks <br />5.41832e-4 months <br /> on low pressurizer pressure and safety injection initiation five seconds later. All safety systems functioned as designed, and the reactor was d.. awn and cooled down and the steam gener-ator isolated expeditiously following existing operating procedures. It was found that a foreign object (a spring) had caused mechanical wear of the fail-ed tube and one or two more tubes. Six tubes were plugged, a pressure test conducted and the steam generator was returned to service. The unit was re-turned to service at 0645 on October 23rd.
'
"9 122 7911140
.
.
- DAILY UNIT POWER OUTPUT DOCKET NO. 50-9g7 UNIT Prairie Island No. 1 DATE 791101 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767
.
MONTH OCTOBER 1979 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net
.
1 _
402 17 -3
'
.
277 18 -3
.
3 -11 19 -15 4 -5 20 -19 5 -5 21 -20 6 -4 22 -19 7 -4 23 143 8 -4 24 269 9 -4 25 419 10 _ _ .
-3 26 481 11 -3 27 479 12 -3 28 479 13 -3 29 476 14 -3 30 476 15 -3 31 474 16 -3 Average loads above 503 MWe-Net are due to cooler condenser circulating water.
'7'9 123
.
.
- OFFRATING DAT',RIPORT C
DOCKET NO 50-282 DATE 791101 OPERATING STATUS CO:1PLETED BY A. A. Hunstad TELEPHONE 612-388-4767
'
- 1. Unit Name: Prairie Island No. 1
- 2. Reporting Period: October 1979 *
- 3. Licensed Thermal Power (MWt): 1650
- 4. Nameplate Rating (Gross MWe): 593
- 5. Design Electrical Rating (Net MWe): 530
- 6. Maximum Dependable capacity (Cross MWe): 501 __
L_ ,
d 7. FL1ximum Dependable Capacity (Net MWe): 470
, 8. If Changes Occur in Capacity Ratinge (a-s Number 3 Through 7) Since Last Report:
$ Give Reason: . . - - - - . . -
,
os
- 9. Power Level To Which Restricted, Tf Anv (l'et MWe): ___
~
- 10. Reasons for Restrictions, if Any:
_ . . . . . _ _ _ . . . . _
This Month Yr-To-Date Cu.ulative
- 11. Ilours In Reporting Period 745 7296 51504
- 12. Number Of Hours Reactor Was Crirical 252.2 5308.0 39997.1
- 13. Reactor Reserve Shutdown Hours 0 . 0 . _,
_ _ _ _ _8_24.1 5279.2
- 14. Hours Generator on Line 248.7 5216.1 38933.3
- 15. Unit Reserve Shutdown 11onrs 0.0
_ , , ,
0.0 ___
0.0
- 16. Gross Thermal Energy Generated (U'.,'ll) 372109 8094243 60374825
- 17. Gross Electrical Energy Generated (FNIO ._113390 __ 2590980 1962187'.'
- 18. Net Electrical Energy Generat..mi (Mul:) 102195 2416833 18345265
- 19. Unit Service Factor 33.4 71.5 75.6
- 20. Unit Availability Factor 33.4 71.5 75.6
- 21. Unit Capacity Factor (Using MDC Net) 29.2 70.5 70.8
- 22. Unit Capacity Factor (Using DER Net) 25.9 62.5 u7.2
- 23. Unit Forced Outage Rate 66.6 19.4 13.5
'4. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Ecch):
Refueling, Summer 1980, 5 weeks _ _ _ _ _ _ _ .
- 25. If Shut Down at End Of Report Pcciod, Estimated Date of Ctartup:
17'9 i24
.
.
UNIT SHUT 30'.SS A190'4ER RZ3'; ":S DOC"Er NO.30-282 REPORT MONTH OCTOBER __1979 UNIT N!JIZ Prairia I sland No.1 DATE 791101 COMPLETED 3Y A. A. Hunstad _ _ _ , ,_ ..
, _ . . _ ,
T2LEPdOSE 512-333-476_7_
, -
_-
_ , . _ . _ _ .
'
a = m iu .-i'u Licansea ;
34 ._, I Causa & Caccactiva Date S.
N l $$ .3 7 5! .58 Event !fl -3 5m Action to
'4 0
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l l 1 J 791002 '
i F 496.3 A 3 79-27 i tIJ HTEXCH Shutdown due to rupture of one 0 l '
A I
l e l l tube in No. 11 Steam Generator.
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2 3 4 J F: Forced Reason Method: Exhibit.G-In-w S: Scheduled A-Equipment Failitre(Explain) 1-Manual structions for ',.
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B-Maintenance or Test 2-Manual Trip Preparation of C-Refualing 3-Automatic Trip Data Entry Sheets N 6 W D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination Report (LER) Fila F-Administrative (NUREG-0151)
G-Oper nional Error (F.xplain)
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por.gr.T ?!O. 50-306 TRIIT Prof rin Ts?.nrad Na. 2 DAT2 791101 Cr?OT T'TED T.Y A. A. mmatad .. _
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TET.TPf'ONE 6) 2-3CC-a767 -
o h M0'IT51 OCTOBER 1979 .
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The unit was in Load Follow operation this month; no shutdowns.
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. DAILY UNIT POWER OUTPUT DOCKET NO. 50-306 UNIT Prairie Island No. 2
, DATE 791101 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH OCTOBER 1979 UAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net
.
1 497 17 514 2 418 18 511
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3 509 19 509 4 514 20 503 5 514 21 508 6 516 22 510 7 517 23 515 8 511 24 509 9 518 25 506 10 508 26 505 11 509 27 499 12 518 28 474 13 518 29 496 14 471 30 500 15 515 31 497 16 514 Average loads above 500 MWe-Net are due to cooler condenser circulating water.
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.Oi'fyATI!iG DEUIf0RT
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DOCKET NO 50-306 DATE 791101 OPERATING STATUS C0!!PLETED BY A. A. Hunstad TELEPHONE 612-388-4767]
- 1. Unit Name: Prairie Island No. 2
- 2. Reporting Period: October 1979 *
- 3. Licensed Thermal Power (MWt): 1650
- 4. Nameplete Rating (Gross MWe): 593
- 5. Design Electrical Rating (Net MWe):_ 530
- 6. Maximum Dependable Capacity (Cross MWe): 531_ ,
N 7. Maximum Dependable Capacity (Ne* MWel: 500
,-
,
- 8. If Changes Occur in Capacity Ratinne (ffems Number 3 Through 7) Since Last Report-
$ Give Reason: . . _ . _ . . _ _ _ . . _ . _ _ _ _ . . _ _ _
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[ 9. Power Level To Which Restricted Tf Any (?'et ffWe):
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_ , _ , ,
_ _ _
- 10. Reasons for Restrictions, If Any ___ _ _ _ _ ,,_____ _ __ _ _ _ ,.,
_ _ _ . . . . . _ . . . _
This Month Yr-To-Date Co.olative
- 11. Hours In Reporting Period 745 7296 42622
- 12. Number Of Hours Reactor Was critical 745.0 7242.2 37685.8
- 13. Reactor Reserve Shutdown Hours 6.5 0.0 1385.2
- 14. Hours Generator On Line 745.0 7229.8 36965.4
- 15. Unit Reserve Shutdown Hour:. 0.0 , 0.0
_ . , _
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0.0
- 16. Gross Thermal Energy Cencrated (?f','ll) 1121050 11326804 57346089
- 17. Gross Electrical Energy Generated (FNT:1 400100 3717820 18305560
- 18. Net Electrical Energy Generat mi OS'H) 375449 3489459 17135047
- 19. Unit Service Factor 100.0 99.1 86.7
- 20. Unit Availability Factor 100.0 99.1 86.7
- 21. Unit Capacity Factor (lising MDC t:ct) 100.8 95.7 80.4
- 22. Unit Capacity Factor (Using DER Net) 95.1 90.2 75.9
- 23. Unit Forced Outage Rate 0.0 0.3 5.0
'4. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of E.xh):
Refueling, January 1980, 5 weeks
- 25. If Shut Down at End Of Report Period, Estimated Date of Startup: __
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9 11 NIT PRIT00'NF APJ POT:R 'GI' ' ";s DOOR-'I N3. 50 306 r.m ,DRT MO,.u, H UNIT N10G Prairi2 I;1and No. 2 OCTOBER.1979
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DATE J 3119,1 COMPL31'ED 3Y ___A._A Hunstad..,_ , , _ , ,
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C-L fualir.g 3-Automatic Trip Data Entry Sheets
D-Regulatory Restriction 4-Other (Explain) for Licensea Event E-Operatar Training & License Examination Report (LER) File F-Maindtntive OFJREG-01M1.)
G-Opartti nal. Error (Unplain)
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Oi'FRATING DAT; PEPORT DOCKET NO 50-306 DATE 791001 OPERATING STATUS C0!!PLETED BY A. A. Hunstad _
TELEPHONE 612-388-4767
- 1. Unit Name: Prairie Island No. 2
- 2. Reporting Period: September 1979 es
- 3. Licensed Thermal Power (MWt): 1650
- 4. Nameplate Rating (Gross MWe): 593 1
- 5. Design Electrical Rating (Net MWe):_ 530
- 6. Maximum Dependable Capacity (Cross MWe): 531 __ ,
,
u 7. Maximum Dependable Capacity (Net %'e): 500_ _ _ _ _ ,
g 8. If Changes occur in Capacity Ratinys Orems Number 3 Through 7) Since Last Report:
$ Cive Reason: . _ _ _ _ _ _ . . _ _ _ _ _ _ .
j* - -
. . _ . . _ _
- 9. Power Level To Which Restricted. If Any (Pet m'c); _ _ , _ _ _ , _ _
- 10. Reasons for Restrictions, i f A n't _ , _ _ _ _ __ , _ , , __ _ , _ _ , _ _ , . _
_ _ _ . . . . _ . . . _
This Month Yr-To-Date Co.olative
- 11. Hours In Reporting Period __ ,,720 6551 41877 l
- 12. Number Of Hours Reactor Was Critical 720.0
,
6497.2_ _36940.8 l
- 13. Reactor Reserve Shutdown Hours 0.0 6.5 1385.2
- 14. Hours Generator On Line 720.0 6484.8 36220.4 (
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (IP..'H) 1154994 10205754 56225039
- 17. Gross Electrical Energy Generated (Ps'n) 369820 3317720 17905460
- 18. Net Electrical Energy Generated O!WH) 347023 3114010 16759598
- 19. Unit Service Factor 100.0 99.0 86.5 (
- 20. Unit Availability Factor 100.0 99.0 86.5
- 21. Unit Capacity Factor (Using MDC Net) 96.4 95.1 80.0
- 22. Unit Capacity Factor (Using DER Net) 89.7 75.5
_ 90.9 _ _ _
- 23. Unit Forced Outage Rate 0.0 0.3 5.1 g '4. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Ench):
Refueling, January 1990, 5 weeks
_
- 25. If Shut Down at End Of Report Period, Estimated Date of Startup:
' "9 i30