ML19207A319
| ML19207A319 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 08/01/1979 |
| From: | Hunstad A NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML19207A315 | List: |
| References | |
| NUDOCS 7908160440 | |
| Download: ML19207A319 (8) | |
Text
.
'mRATIV' R"WNS' 0F OPER\\TI\\'G EXPERIENCE 6
DOCKET No. 50-282 UNIT Prefrie Island No. 1 DATE 790801 CNTI ETED BY A. A. HunEcad TELEF'!0NS 612-308-4767 o
A vo'rry JULY, 1979
?
m The unit was in Load Follow operation this month. It0646onthe4th,the h
unit was taken off line due to high turbine vibration.
Extensive damage to E
high pressure turbine blading was seen.
The unit will be returned to service clinus four rows of HP blading at a derate of about 30 Hw.
The outage provided an opportunity to inspect feedwater piping per IE Bulletin 79-13.
One unacceptable code discontinuity was found and repaired.
No cracking was seen.
6 798 319 N
,go 1so s
DAILY UNIT POWER OUTPUT DOCKET No. 50- 282 UNIT Prairie Island No.
1 DATE 790801 COMPLETED BY A. A. Hunstad TELEPFONE 612-388-4767 510NTil JULY, 1979 11 1" AVERAqE_L_0AD MWe-Net DAY AVERAGE LOAD MWe-Net
_ _ _ 4 3_9 17
-3 411 18
-3 1
498 29
-3
. _1_2 20
-3 1
-8 21
-3 6
-3 _ _
22
-3 7
-3 23
-3 P
-3 24
-3 4
_ _ _. _3 25
-3 10
-3 __
26
-3 11
-3 27
-3 I?
-3 28
-3 13
-3 29
-3 14
-3 30
-3 15
-3 31
-12 16
-3 Averar.e loads above 503 tr.:e-Net are due to cooier condenser cireclating water.
793 320
OPERATING DATA REPORT
[
e, DOCKET NO 50-282 DATE 790801 OPERATING STATUS COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 1.
Unit Name:
Prairie Island No. 1 2.
Reporting Period: JULY, 1979 3.
Licensed Thermal Power (MWt):
1650 I
Nameplate Rating (Gross MWe):
593 4
l S.
Design Electrical Rating (Net MWe):
530 6.
Maximum Dependable Ccpacity (Gross MWe): 534 2
7 Maximum Dependable Capacity (Net MWe): 503 8.
If Changes occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:
Lx Cive Reason:
~
9.
Power Level To Which Restricted, If Any (Net MWe):
E 10.
Reasons for Restrictions, If Any This Month Yr-To-Date Cumulative 11.
Hoirs In Reporting Period 744 5087 49295 12.
Number Of Haurs Reactor Was Critical 83.4 365).8 38339.9 13.
Reactor Reserve Shutdown Hours 660.6 765.1 5220.2 14 Hours Generator On Line 78.8 3589.9 37307.1 15.
Unit Reserve Shutdown Hours
- 0. 0
- 0. 0
- 0. 0 16.
Cross Thermal Energy Generated ONH) 118710 5549974 57830556 17.
Gross Ezectrical Energy Generated (MWH) 37790
_1821280 18852170 18 Net Electrical Energy Generated (MWH) 32816 1702982 17631414 19 Unit service Fac tor 10.6 70.6 75.7 20.
Unit Availability Factor 10.6 70.6 75.7 21.
Unit Capacity Factor (Using MDC Net) 8.8 66.6 71.1 22.
Unit Capacity Factor (Using DER Net) 8,3 23.
Unit Forced Outage Rate 63.2 67.5_
89.4 16.2 12.9
'A.
Shutdowns Scheduled Over Next 12 "onths (Type, Date and Duration of Each):
Refueling, Spring 80. 5 Weeks 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:.790803 798 321
UNIT 3MUT09 HTS B'D P,_O'.J_E:t RI_DUC C I3NS DOCKET N1.30-282 UNI f N.EiE P r ii r ia I s l anl Mo. 1
'lSPOR f MO:;-
JULY 1979 2
01 1..,
790801 r.
CO:4?LETdD.3Y
.A. A. Hunstad.
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O 790704 F j 665.2 A
1 N/A HA TURBIN j Shutdown because of high turbine 8
i m
i vibration; damage to high pres-M sure turbine was found.
H I
I.
t j
a I
l I
J__
F: Forced Reason Method:
Exhibit.G-In-S: Schedt: led A-Equipment Failure (Explain) 1-Manual structions for N
B-Maintenance or Test 2-Manual Trip Preparation of C-Refu211ng 3-Automatic Trip Data Entry Sheets D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Opera *.or Training & License Exa:nination Report (LER) File u
F-Administrative CFJREG-0151F N
G-Oper cional Error (Euplain) 5 N
H-Other (3xplain Exhibit 1 - 3'.T3 " tr:2
[
'JARRATIVF 9 SARY OF OPERATING EXPERIENCE
'\\
DOCKET NO. 50-306 UNIT Prairie Teland No. 2 DATE 790801 CO?TLETED BY A. A. Hunstad TELEPHONE 612-288-6767 o
sj PO'IT51 JULY, 1979
?
m The unit was in Load Follow operation this month.
The unit was tripped at 2007 h
on the 17th due to personnel error in troubleshooting a stean generator level E
channel.
The unit was returned to service at 0220 the next day.
795 323
DAILY U!!IT POWER OUTPUT W
DOCKET NO. 50-306
.5 UNIT Prairie Island No. 2 DATE 790801 COMPLETED BY A. A. Hunstad
" TELEPHONE 612-388-4767 MONTli_ JULY, 1979
!Dy EERACE_ LOAD MWe-Net DAY AVERAGE LOAD M'h-Net 1
358 17 415 42_1 18 401 3
495 19 498 498 20 495
.i 476 21 498 6
424 22 493 4
7 495 23 495 S
380 _
24 494 o
425 25 498 10 494 26 498 11 493 27 498 I?
487 28 500 13 505 29 497 14
__ 494 30 495 15 495 31 494 16 501 Averace loads above 500 !Me-Net are due to cooler condenser circulating water.
~
W 798 324
OPERATING DATA REPORT
+,
DOCKET NO 50-306 DATE 790801 COMPLETED BY A. A. Hunstad OPERATING ST/.TUS TELEPHONE 612-388-4767 1.
Unit Name:
Prairie Island No. 2 2.
Reporting Period: JULY. 1979 3.
Licensed Thermal Power (MWt):
1650 l
4.
Nameplate Rating (Gross MWe):
593 5.
Design Electrical Rating (Net MWe):
530 6.
Maximum Dependable Capacity (Gross MWe): 531 C
7.
Maximum Dependable Capacity (Net MWe): 500 8.
If Changes occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:
ac' Cive Reason:
c' 9.
Power Level To Which Restricted, If Any (Net MWe):
N 10.
Reasons for Restrictions, If Any:
This Month Yr-To-Date Cuuulative 11.
Hours In Reporting Period 744 5087 40413 12.
amber Of Hours Reactor Was Critical 739.9 5033.2 35476.8 13.
Reactor Reserve Shutdown Hours
- 0. 0 6.5 1385.2 14 Hours Generator On Line 737.8 5020.8 34756.4 15.
Unit Reserve Shutdown Hours
- 0. 0 0.0 0.0 16.
Gross Thermal Energy Generated (>nal) 1174847 7877081 53896366 17.
Gross Electrical Energy Cencrated (kfWU) 377460 2574100 17161840 18.
Net Electrical Energy Generated (FSul) 353042 2416691 16062279 19.
Unit Service Factor 99.2 98.7 86.0 20.
Unit Availability Factor 99.2 98.7 86.0 21.
Unit Capacity Factor (Using MDC Net) 94.9 95.0 79.5 22.
Unit Capacity Factor (Using DER Net) 89.5 89.6 75.0 23.
Unit Forced Outage Rate
- 0. 8
- 0. 4 5.3
'4.
Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):
Refueling, January 80, 5 weeks 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:
798 325
UNIT 3MUTO.,'N 3 WD "O'i2R RID'JC TION 5 J30d.T N J.30-306 REPORT M0'4Til JULY 1979 t
J3. l c.
790801 CJMh t'CD M
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A. Ilunstad TzudPid..Z E !-i.13-4767
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N/A IA INSTRU l Trip on 10-10 steam generator 790717 I
I n.o l
i level when I 6 C specialist 3
C l
erred while doing maintenance on i
level control channel.
l l
l i
8 l
i l
1 I
l t
f
=. - - - - -
F: Forced Reason Method:
Exhibit.G-In-S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for B-31aintanance or Test 2-Manual Trip Preparation of j
C-Refueling 3.iutomatic Trip Data Entry Sheets D-Regulatory Restriction 4-Other (Explain) for Licensee Event g
E-Operator Training & License Examination Report (LER); File g
F-Administrative GFJREG-0161)
G-Operational Error (F. tplain) 5 Il-Other (2xplain Exhibit 1
'Ir.2 P :::2 u
N
e P4SD NORTHERN STATES POWER COMPANY '
.s MIN N E A PO Li s. MIN N E S OTA 55401 August 13, 1979 Director, Office of Management Information & Program Control c/o Distribution Services Branch, DDC, ADM U S Nuclear Regulatory Commission Washington, DC 20555
Dear Sir:
PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket No. 50-282 License No. DPR-42 50-306 60 Monthly Operating Report July 1979 Attached are two copies of the Monthly Operating Report for July, 1979 for the Prairie Island Nuclear Generating Plant.
Yours ve ry truly, lW o
i L 0 Mayer, PE Manager of Nuclear Support Services LOM/ak cc:
Director, IE-III, USNRC (1)
Director, IE, USNRC (c/o DSB) (10)
MPCA Attn: J W Ferran
. 798 327
' A'4 RAT T Vr RT'WN'3' 0F OPER\\ TIN'G EXPERIENCE Y,
DOCKET No. 50-282 UNIT Prefrie Island No. I DATE 790801 CNT? FETED BY A. A. Hunstad TELEP'!ONE 612-308-4767 e
ll Mo'P4 JULY, 1979
?
The unit was in Load Follow operation this month, ht0646onthe4th,the m
h unit was taken off line due to high turbine vibration.
Extensive damage to E
high pressure turbine blading w'as seen.
The unit will be returned to service minus four rows of h4 blading at a derate of about 30 Mw.
The outage provided an opportunity to inspect feedwater piping per IE Bulletin 79-13.
One unacceptable code discontinuity was found and repaired.
No cracking was seen.
798 328
......... ~
DAILY UNIT POWER OUTPUT
.5 DOCKET No. 50- 282 UNIT Prairie Island No.
1 DATE 790801 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTil JULY d 79 DE AVERACE LOAD We-Ne t DAY AVERACE LOAD MWe-Net
. _ _ 4 3,9 17
-3 411 18
-3 I
.._ _ 9 8_
19
-3 4
112 20
-3
_ -8 21
-3 f-
-3 22
-3 7
.- 3 23
-3 P
-3 24
-3
_._-3 25
-3 10
-3 26
-3 11
-3 27
-3 12
-3 28
-3 13
-3 29
-3 14
-3 30
-3 15
-3 31
-12 16
-3 Averaco loads above 503 tr.Je-Net are duc to cooler condenser circulating wate.
798. 329
OPERATING DATA REPORT
[
f-.
DOCKET NO 50-282 DATE 790801 COMPLETED BY A. A. Hunstad OPERATISC STATUS TELEPHONE 612-388-4767 1.
Unit Name:
Prairie Island No. 1 2.
Reporting Period: JULY, 1979 N tes 3.
Licensed Thermal Power (MWt):
1650 l
4 Nameplate Rating (Gross MWe):
593 t
5.
Design Electrical Rating (Net MWe):
530 6.
Maximum Dependable Capacity (Gross MWe): 534 7.
Maximum Dependable Capacity (Net MWe):
503 If Changes Occur in C.ipacity Ratings (Items Number 3 Through 7) Since Last Report:
x Cive Re.ison:
9.
Power Level To Which Restricted. If Any (Net MWe):
E 10.
Reasons for Restrictions, If Any:
This Month Yr-To-Date Ct aulative 11.
Hrirs In Reporting Period 744 5087 49295 12.
Number Of Hours Reactor Was Critical 83.4 3650.8 38339.9 13.
Reactor Et:arve Shutdown Hours 660.6 765.1 5220.2 14 Hours Generator On Line 78.8 3589.9 37307.1 15.
Unit Reserve Shutdown Hours 0.0
- 0. 0
- 0. 0 16.
Gross Thermal Energy Generated (FNH)
_118710 5549974 57830556 17.
Gross Electrical Energy Generated (MWH) 37790 1821280 18852170 18.
Net Electrical Energy Generated (MWH) 32816 1702982 17631414 19 Unit Service Factor 10.6 70.6__
75.7 20.
Unit Availability Factor 10.6 70.6 75.7 21.
Unit Capacity Factor (Using MDC Net)
- 8. 8 66.,6__
71.1 22.
Unit Capacity Factor (Using DER Net)
- 8. 3 63.2 67.5, 23.
Unit Forced Outage Rate 89.4 16.2 12.9 14.
Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):
Refueling. Spring 80. 5 Weeks 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:
790803 198 330
UNIT 3'IUT00':NS WD P0h'ER RED'JC TIONS DOCKET N3.30-282 UNIf NXIE P sici2 Islan] No. 1
,,Pa. f MO,.;_. II JUI.L 1979 l
M 1..,r.
790801 COM?LETED 3Y
__A. A. Ilunstad.
flLdPd0..?. 51 ? - 13 3-4 76 7 7
-i' u i.i c er.s e a i
j Cause & C)cactiva I
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Date 1
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Actioa co N
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O 790704 F j665.2 A
1 N/A IIA TURBIN j Shutdown because of high turbine i
g m
i vibration; damage to high pres-M
! sure turbine was found.
~m l
I l
l I
1 I
i
_ _ - - -.. - ~..
F: Forced Reason Method:
Exhibit.G-In-S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for B-Maintenance or Test 2-Manual Trip Preparation of C-Refueling 3-Automatic Trip Data Entry Sheets N
D-Regulatory Restriction 4-Other (Explain) for Licensee Event 4
E-Operator Training & License Examination Repott (LER) File CD F-Administrative
('UJRPG-0151)'E
';-Oper 1tional Error (Fnplain) 5 I!-Other (2xplain Exhibit 1 - G n2 ^ r:2 tra u
a
[
'JARRATIVE RifM1ARY OF OPERATING EXPERIENCE DOCKET NO. 50-306 UNIT Prairie Inland No 2 s_
DATE 790801 CO?TLETED BY A. A. Hunstad TELEPI!ONE 612-388-6767 O
hj PO'It4 JULY, 1979 i7 The unit was in Load Follow operation this month. kheunitwastrippedat2007 m
n.g on the 17th due to personnel error ja troubleshooting a steam generator level E
channel.
The unit was returned to service at 0220 the next day.
798 332
DAIL UNIT POWER OUTPUT W
DOCKET NO. 50-306
.5 UNIT Prairie Island N6. 2 DATE 790301 9C K.
COMPLETED BY A. A. Hunstad, TELEPHONE 612-388-4767
'I.
1 E' MONTil__ JULY,1979
- . a W
AVERACE LOAD We-Net DAY AVERAGE LOAD MWe-Net I
358 17 415 421 18 401 3
49.5 19 498 498 20 495 476 21 498 6
424 22 493
~~
r 495 23 495 S
380 -
24 494 o
425 25 498 fe 10 494 26 498 11 493 27 498 3'
1.'
487 28 500 13 505 29 497 c.
14 494
.i0 495
'e 15 495 31 494 16 501 Averace loads abeve 500 %'e-Net are due to cooler condenser circulating water.
798 333 e
- ,I#
' JAR 9AT1'M Rf M 4F.V OF OPERATING EXPERIENCE DOCKET NO. 50-306 UNIT Preirie Island No. 2 DATE 790801 C0f?LETED BY A. A. Hunstad TELEPIt0NE 612-208-6767 e
sl Pn'ITH JULY, 19'9 G
m The unit was in Load Follow operation this month.
The unit was tripped at 2007 hl on the 17th due to personnel error in troubleshooting a steam generator level E
channel.
The unit was returned to service at 0220 the next day.
798 33"4
DAILY UNIT POWER OUTPUT g.
DOCKET No. 50-306 UNIT Prairie Island No. 2 DATE 790801 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 Sh) NTH _ 31"7, 1979
!) \\V AVERACE LOAD
%'e -N e t DAY AVERAGE LOAD MWe-Net I
358 17 415 421 18 401 3
495 19 498 498 20 495
.i 476 21 498 6
424 _
22 493 s
?
495 23 495 380 _
24 494 o
o 425 25 498 to 494 26 498 11 493 27 498 12 487 2 f!
500 13 505 29 497 la 494 30 495 15 495 31 494 16 501 Averace laads above 500 m'e-Net m e due to cooler condenser circulating water.
798 335
OPERATING DATA REPORT f
9, DOCKET NO 50-306 DATE 790801 COMPLETED BY a. A. Etnstad OPERATING STATUS TELEPHONE 612-388-4767 1.
Unit Name:
Prairie Island No. 2 2.
Reporting Period: JULY. 1979 l
es l
3.
Licensed Thermal Power (MWt):
1650 i
4.
Nameplate Rating (Gross MWe):
593 5.
Design Electrical Rating (Net MWe):
530 6.
Maximum Dependable Capacity (Gross MWe):
531 N
7.
Maximum Dependable capacity (Net MWe): 500 g
6.
If Changes occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:
S Give Reason:
[
9.
Power Level To Which Restricted, If Any (Net MWe):
E 10.
Reasons for Restrictions, If..ay:
This Month Y r--To-Da t e Cuuulative 11.
Hoirs In Reporting Period 744 5087 40413 12.
Number of Hours Reactor was Critical 739.9 5033.2 35476.8 13.
Reactor Reserve Shutdown Hours 0.0 6.5 1385.2 14 Hours Generator On Line 737.8 5020.8 34756.4 15.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.
Gross Therral Energy Generated (3r.01) 1174847 7877031 53896366 17.
Gross Electrical Energy Generated (MWH) 377460 2574100 17161840 1 c..
Net Cla;trical Energy Generatcd (>N;l) 353047 2416691 16062279 19.
Unit Service Factor 99.2 98.7 86.0 20.
Unit Availability Factor 99.2 98.7 86.U 21.
Unit Capacity Factci (Using MDC Net) 94.9 95.0 79.5 22.
Unit Capacity Factor (Using DER Net) 89.5 89.6 75.0 23.
Unit Forced Outage Rate 0.8 0.4 5.3
'4 Shutdowns E heduled Over Next 12 Months (Type, Date and Duration of Each):
Refueling, January 80, 5 weeks 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:
798.
3136
UNIT IIUT90'N3 \\%'D D0'42R RID'.:C TIONS
~0-306 D302.f NJ, 2
m UN1f NICIE Praic12 Islanl No. 2 Ry,3J, RT !!O,JTil J ULY' 1979
_u rh 790801 COM?! uiED T(
A. A.11unstad T2LdP.i0..Z u !- 1.33-4 76 7 I
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4 790717 F
6.2 G
3 N/A j
IA INSTRU l Trip on 10-10 steam generator g
I j
level when I & C specialist y
l l
erred while doing maintenance on a.
level control channel.
I l
l i
i l
l i
I f
i I
l l
F: Forced Reason Method:
Exhibit.G-In-S: Scheduled A-Equipment Failure (Explain) 1-Manual struct ions for B-!!aintenance or Test 2-Manual Trip Preparation of
~4 C-Refueling 3.iutomatic Trip Data Entry Shecia D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Trainin;; & License Examination Report (LER). File F-Administrative (NUREG-0161).
trJ G-Operationa1 Error (Sxplain) 5 g
Il-Other (2xp1_ain Exhibit 1 - U.r2 3' :::2
-- J