ML20117M078
| ML20117M078 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 08/31/1996 |
| From: | Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 96-470, NUDOCS 9609170276 | |
| Download: ML20117M078 (13) | |
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VInGINIA ELECTHIC Ar n Powcu COMPANY HICHMOND, VIRGINIA 202 61 September 9,1996 United States Nuclear Regulatory Commission Serial No.96-470 Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos.
50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the August 1996 Monthly Operating Report for North Anna Power Station Unit 1 and 2.
Very truly yours, AJBW W. R. Matthews Station Manager Enclosure cc:
U. S. Nuclear Regulatory Commission Region 11 101 Marietta Street, N. W.
Suite 2900 Atlanta, Georgia 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station
'y / '
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9609170276 960031 PDR ADOCK 05000338 R
VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH:Aucust YEAR:
1996 l
Approved:
b Station Manager h
OPERATING DATA REPORT DOCKET NO.
50-338 i
DATE: September 5, 1996 CONTACT:
W. R. Matthews PHONE:
(540) 894-2101 OPERATING STATUS 1.
Unit Names.....
North Anna 1 2.
Reporting Periods.
August 1996 3.
Licensed Thermal Power (MWt)3.
2,893 4.
Nameplate Rating (Gross MWe).
994 5.
Design Electrical Rating (Net MWel l..
907 6.
Maximum Dependable capacity (Gross MWel.
940 7.
Maximum Dependable Capacity (Not MWe)3.
093 8.
If changes occur to Capacity Ratings (Items 3 thru 7) since last report, give reasons g
9.
Power level to which restricted, if any INet MWe)1 N/A 10.
Reasons for restrictions, if any:
N/A This Month Y-t-D Cumulative i
11.
Hours in Reporting Feriod.
744,0 5,655.0 159,491.0
]
12.
Number of Hours Peactor was critical.
711.9 5,122.4 122,308.0 13.
Reactor Reserve Shutdown Hours.
31.4 74.4 7,025.0 14.
Houra Generator On-Line.
703.3 5,086.0 119,273.5 15.
Unit Reserve Shutdown Hours.
0.0 0.0 0.0 16.
Gross Thermal Energy Generated (MWH).
1,997,685.9 13,903,884.0 319,211,621.1 17.
Gross Electrical Energy Generated (MWH).
653,297.0 4,565,268.0 141,895,881.0 18.
Net Electrical Energy Generated (MWH).
620,125.0 4,333,076.0 99,374,230.0 19.
Unit Servics Factor.
94.5%
86.9%
74.06 20.
Unit Availa9111ty Factor...
94.56 86.94 14.00 21.
Unit Capaci ty Factor (using MDC Net)..
93.36 82.9%
69.74 22.
Unit capacity Factor (using DER Net).
91.9%
81.6%
68.74 23.
Forced Outage inte.
5.54 0.84 9.06 24.
Shutdowns Schedulti Over Next 6 Months (Type, Date, Duration of Each):
N/A 25.
If Shutdown at end of Report Period, estimated time of $tartup N/A 1
26.
Units in Test Status (Prior to Corronercial operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY CCPt4ERCIAL OPERATION l
i
AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-338 Unit:
NA-1 Date:
September 5, 1996
Contact:
W. R. Matthews Phone:
(540) 894-2101 MONTH: August 1996 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 899 17 902 2
900 18 902 3
901 19 901 4
901 20 902 5
900 21 902 6
900 22 900 7
900 23 899 8
900 24 900 9
896 25 901 10 899 26 901 11 899 27 378 12 900 28 0
13 901 29 262 14 901 30 891 15 901 31 899 16 901 Instructions:
On this format, list the average daily unit power level in MWe-Net for each day in the reporting month.
Compute to the nearest whole megawatt.
-._. -.. -... _ ~ -.. -. -
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NORTH ANNA POWER STATION UNIT NO.:
1 MONTH:
August
SUMMARY
OF OPERATING EXPERIENCE Page 1 of 2 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
Date Time Data
)
August 01, 1996 0000 Began month with unit at 100% power, 947 MWe, August 09, 1996 0757 Commenced ramp down from 100% power, 947 MWe for Turbine Valve Freedom Test (TVFT).
0843 Unit stable at 92% power, 880 MWe.
0912 Commenced ramp from 92% power to 100% power after completion of TVFT.
1005 Unit stable at 100% power, 947 MWe.
-August 27, 1996 1004 Unit 1 reactor trip due to failed input / output isolation amp card in the logic cabinet for "B" bank control rods.
August 28, 1996 1646 Commenced unit reactor startup.
1726 Entered Mode 2.
1808 Reactor critical.
1850 Unit stabilized at 4% power for shift turnover.
2151 Entered Mode 1.
2220 Stabilized reactor power at 7% due to main turbine valve position limiter problem.
August 29, 1996 0205 Main turbine valve position limiter repaired.
0243 Unit placed on line.
0400 Stabilized unit at 30% power, 190 MWe for chemistry hold.
1515 Cleared chemistry hold.
l 1552 Commenced ramp from 30% power, 216 Mwe.
2130 Holding ramp at 71% power, 665 Mwe for calorimetric.
1 i
NORTH ANNA POWER STATION
\\
UNIT NO.: J l
MONTH:
August 1
SU144ARY OF OPERATING EXPERIENCE Page 2 of 2 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in l
significant non-load related incidents.
Date Time Data August 29, 1996 2202 Commenced ramp after calorimetric.
2355 Holding ramp at 90% power, 838 Mwe'for 1-PT-24.1.
j August 30, 1996 0026 Commenced ramp after 1-PT-24.1.
0415 Unit stable at 100% power, 944 MWe.
August 31, 1996 2400 Ended month with unit stable at 100% power, 947 MWe.
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of 1
J UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:
50-338 Report Month August Unit Name:
NA-1 Year:
1996 Date: September 5, 1996
Contact:
_ W. R. Matthews 96-02 August 27, 1996 Automatic reactor trip due to failed card in logic cabinet for "B" bank control rods.
August 28, 1996 Corrective maintenance complete and unit entered Mode 2 at 1726 hours0.02 days <br />0.479 hours <br />0.00285 weeks <br />6.56743e-4 months <br />.
Unit entered Mcde 1 at 2151 hours0.0249 days <br />0.598 hours <br />0.00356 weeks <br />8.184555e-4 months <br />.
August 29, 1996 Main generator placed on line at 0243 hours0.00281 days <br />0.0675 hours <br />4.017857e-4 weeks <br />9.24615e-5 months <br />.
August 30, 1996 Unit stable at 100% power, 944 MWe.
UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:
50-338 UNIT NAME:
NA-1 DATE: September 5, 1996 REPORT MONTH: August 1996 CONTACT: W.
R. Matthews PHONE: (540) 894-2101 1
2 3
4 5
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)
Shutting Event Code Code Action to Down Reactor Report #
Prevent Recurrence 96-0 960827 F
40.7 A
3 96-005-00 AA AMP Automatic reactor trip due to failed card for "B"
bank control rods.
1: Type 2: Reason 3: Method 4:
F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F-Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load 7 eduction (NUREG-0161)
F= Administrative 9=Other G= Operational Error 5:
H=Other (explain)
Exhibit H - Same Source S
4
l CPERATING DATA REPORT DOCKET NO. t 50-339 DATE: Septenter 5, 1996 CONTACT:
W. R. Matthews PHONE:
(540) 894-2101 1
OFERATING STATUS 1.
Uni t Name s....
North Anna 2 2.
Reporting Periods.
August 1996 3.
1.icensed Thermal Power LMWt)..
2,893 4.
Nameplate Rating (Gross MWe).
97 9 5.
Design Electrical Rating (Net MWe) :.
907 4
6.
Maximum Dependable Capacity (Gross MWe).
944 7.
Maximum Dependable Capacity (Net MWe).
897 8.
If changes occur to Capacity Ratings (Items 3 thru 1) since last report, give reasons:
N/A 4
9.
Power level to which restricted, if any (Net MWeli N/A 10.
Reasons for restrictions, if anya N/A This Month Y-t-D Cumulative 11.
Hours in Reporting Period..
144.0 5,855.0 131,759.0 12.
Nunber of Hours Reactor was Critical.
744.0 5,855.0 115,912.6 13.
Reactor Reserve Shutdown Hours.
0.0 0.0 6,535.0 14.
Hours Generator On-Line.
744.0 5,855.0 114,778.1 15.
Unit Reserve Shutdown Hours.
0.0 0.0 0.0 16.
Gross Thermal Energy Generated (MWH).
2,080,833.5 16,863,272.4 312,640,511.1 11.
Gross Electrical Energy Generated (MWH).
681,063.0 5,539,203.0 102,370,621.0 18.
Not Electrical Energy Generated (MWH).
646,025.0 5,269,632.0 97,841,271.0 19.
Unit Service Factor...
100.06 100.04 83.36 4
1 20.
Unit Availability Factor.
100.04 100.06 83.3%
21.
Unit Capacity Factor (using MDC Net).
96.84 100.3%
19.04 22.
Unit capacity Factor (using DER Net).
95.74 99.25 78.34 23.
Forced Outage Rate.
0.0%
0.0%
4.66 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of Each):
Scheduled Refueling Outage a
september 7, 1996, duration = 30 days.
25.
If Shutdown at end of Report Period, estimated time of Startup N/A 26.
Units in Test Status (Prior to Conenercial Operation):
Forecast Achieved INITI AL CRITICALITY INITI AL ELECTRICITY col 44ERCIAL OPERATION
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AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-339 Unit:
NA-2 Date:
September 5, 1996
Contact:
W. R. Matthews Phone:
(540) 894-2101 MONTH: August 1996 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 897 17 884 2
898 18 880 3
898 19 867 4
898 20 853 5
899 21 851 6
898 22 849 7
898 23 846 8
898 24 842 9
898 25 830 10 898 26 822 11 899 27 818 j
12 899 28 813 13 899 29 813 14 899 30 802 15 897 31 793 16 881 l
Instructions:
On this format, list the average daily unit power level in MWe-Net for each day in the reporting month.
Compute to the nearest whole megawatt.
a a
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NORTH ANNA POWER STATION 1
UNIT NO.:
2 MONTH:
August i
SUt+fARY OF OPERATING EXPERIENCE 1
l Page 1 of 1 I
]
Listed below in chronological sequence is a summary of operating
(
enperiences for this month which required load reductions or resulted in significant non-load related incidents.
i Date Time Data i
j August 01, 1996 0000 Began month with unit stable at 100% power, j
945 MWe.
i l
August 14, 1996 1525 Commenced unit coastdown in preparation for j
September 1996 Refueling Outage.
August 16, 1936 0846 Commenced unit rampdown From 99.4% power, 936 l
MWe for Turbine Valve Freedom Test (TVFT),
i 0920 Unit stable at 91%, 860 Mwe.
1 i
0945 TVFT complete.
i f
1112 Commenced unit ramp to full power after TVFT.
1136
_ Unit stable at 97.7% power, 920 MWe.
4 1
j August 31, 1996 2400 Ended month with unit stable at 88% power, 838 MWe.
Several small unit ramp-downs (<5%
i power each) have occurred during the month to I
match Tave and Tref during end-of-cycle coastdown and are not individually recorded in i
this report.
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O Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet i
Docket No.:
50-339 Report Month August Unit Name:
NA-2 i
Year:
1996 Date: September 5, 1996 1
Contact:
W. R. Matthews-
- No entries this month.
I
UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:
50-339 UNIT NAME:
NA-2 DATE: September 5, 1996 REPORT MONTH: August 1996 CONTACT: W. R. Matthews PHONE: (540) 894-2101 1
2 3
4 5
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)
Shutting Event Code Code Action to Down Reactor Report #
Prevent Recurrence
- No Entries Thia Month 1: Type 2: Reason 3: Method 4:
F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - instructions S= Scheduled B-Maintenance or Test 2= Manual Scram for preparat. ion of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (IER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161; F= Administrative 9-Other G= Operational Error 5:
H=Other (explain)
Exhibit H - Same Source e
S e
N w