ML20236M338
| ML20236M338 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 06/30/1998 |
| From: | Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 98-408, NUDOCS 9807140028 | |
| Download: ML20236M338 (10) | |
Text
- _ - -. _ - - - - _ _ _ _ - _ - - - _ _ - - - - - -
VIMOINJA ELECTRIC AND Pownu COMPANY RIcuxown, VIRGINIA 20261 July 8,1998
. United States Nuclear Regulatory Commission Serial No.-
98-408-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 j
MONTHLY OPERATING REPORT Enclosed is the June 1998 Monthly Operating Report for North Anna Power Station-
. Units 1 and 2.-
Very truly yours, m
W. R. Matthews Site Vice President Enclosure-
' Commitments made in this letter: None, cc:
U. S. Nuclear Regulatory Commission l
.. Region il L
. Atlanta Federal Center
- 61 Forsyth St., SW, Suite 23T85 4
Atlanta, Georgia 30303
/gN h
. Mr. M. J. Morgan NRC Senior Resident inspector North Anna Power Station W ADOCK 1
R PDR S
L 2 00a: 0 J
VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: June Year: 1998 Approved:
l
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-/d Site Vicd Pr6sident i
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OPERATING DATA REPO;T e
DOCKET NO.
bO-330 DATE JULY 5, 1998 CONTACT 1 W. R. Matthet.s PHONE:
($40) 894-2101 OPERATING STATUS 1.
Unit Names..
North Anna 1 2,
Reporting Periods.
JUNE 3.
Licensed thermal Power (MWtit.
2,093 4.
Namep1ste Rating (Gross MWelt.
979.74 6.
Design Electrical Rating (Not MWe)s...
907 6.
Maximum Dependable Capacity (Gross MWelt.,
540 7
Maximus Dependable Capacity (Net MWe)....
893 8.
If changes ocevr to Capacity Ratings (Iteams 3 thru 7) sihce last report, give reasonas N/A 9.
Power level to which sestricted, if any (het MWe) s N/A 20.
Reasons for testrict] w, if anyt N/A This Month Y-t-D Cumulative 11.
Hours in Reporting Period..
720.0 4,343.0 1?5,523.0 12.
Number of House Reactor was Critical.
720.0 4,343.0 137.598.0 13.
Reactor Reserve Shutdown Hours.
0.0 0.0 7,095.0 14.
Hours Generator On-Line..
720.0 4,343.0 134,610.4 ab. Unit keserve Shutdown Hours..
0.6 0.0 0.0 16.
Gross Thermal Energy Generated (MWH),
2,071,599.9 12,409,103.4 363,023,655.9 17 Gross Electrical Energy Generat ed (HWH).
675,105.0 4,079,407.0 166.250,060.0 18.
Het Electrical Energy Generated (MWHl.,
641.547.0 3.680,404.0 113,024,b87.0 19.
Unit Service Factor.,
100.05 100.04 76.6L 20.
Unit Availability Factor.
100.04 200.05 76.65 21.
Unit Capacity Factor tusing MDC Net)...
99.85 100.1%
72.0t 22.
Unit capacity Factor (using DER Net)...
98.25 98.5%
71.05 2J.
Forced Outage Rate.,
0.04 0.08 8.1%
24.
Shutdreens Scheduled Over Next 6 Months (Type, Date, Duration of Eac Refueling Sept. 13, 1998 3b Days kl.
If Shutdown at and of Report Period, estimated time of Startupt N/A 26.
Units in Test status (Prior to Commercial Operation):
Forecent Achieves INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i
l 6
l l
1 i
1
AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-338 Unit:
NA-1 Date:
July 5, 1998
Contact:
W.
R. Matthews__,
Phones (540) 894-2101 MONTH JUNE 1998 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 896 17 897 2
896 18 896 3
896 19 896 4
896 20 696 5
896 21 896 6
896 22 89E 7
896 23 89F 8
896 24 895 9
896 25 894 10 892 26 893 11 771 27 890 12 889 28 894 13 897 29 895 14 897 30
'894 15 897 16 897 l
l Instructions:
On this format, list the average dai,1y unit power level in MWe-Net for each day in the reporting month.
Compute to the nearest I
- whole megawatt.
__A
North Anna Power Station r
Unit No.:
1 Month: June 1998
SUMMARY
OF OPERATING EXPERIENCE i
Page 1 of 1 l
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 l
l June 1,1998 0000 Began the month in Mode 1,100% power, 942 Mwe.
June 10,1998 2220 Commence rampdown to approximately 90% power in preparation to remove "A" waterbox from service.
2317 Secured ramp at 90% power,856 Mwe.
2359 Recommenced rampdown to restore condenser vacuum to <3.5"HG. ABS.
June 11,1998 0020 Stopped ramp to monitor condenser vacuum, 86%
power, 806 Mwe.
1529 Commence rampup to approximately 91% power.
1652 Ramp complete at 89% power,834.2 Mwe.
June 12,1998 0120 Commence ramp to 100% power.
0305 Unit stabilized at 100% power, 943 Mwe.
June 26,1998 2320 Commence rampdown to approximately 92% power for turbine valve freedom test (TVFT).
June 27,1998 0004 Holding power at 92%,872 Mwe.
0045 TVFT complete satisfactory, commence ramp to 100 %
power.
June 27,1998 0130 Ramp complete, unit at 100%,937 Mwe.
June 30,1998 2400 Ended the month in Mode 1,940 Mwe.
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e OPERATING DATA REPORT
(
DOCKET NO.t 50-339 DATE JULY $ 1998 CONTACT!
W. R. Matthews FHONE:
(540) 894-2101 OPERATING STATUS 1.
Unit Names..
North Anna 2 2.
kaporting Periods.
JUNE 3.
Licensed Thermal Power (MWt).
2,893 4.
Nameplate Rating (Grosa MWe)s, 979 5.
Design Electrical Raticg (Not MWelt..
907 6.
Maximus Dependable Capacity (Gross MWelt.
944 7
Mamieum Dupendable Capacity (Not MWels..
897 l
8.
If changes occur to Capacity Ratings (Items 3 thru 7) since last report, give reasons:
N/A 9.
Power level to which restricted, if any (Het MWe):
N/A 10.
Reasons for restrictions, if anys N/A This Month Y-t-D Cumulative 11.
Hours in Reporting Period.
720.0 4,343.0 153,791.D 12.
Number of Hours Reactor was Critical..
720.0 3,672.6 129,380.0 13.
koact or Reserve Shatdown Hours.
0.0 40.9 7,225.1 14.
Hours Generator On-Line.
720.0 3,654.6 128,176.8 15.
Unit Reserve Shutdtm,n Hours.
0.0 0.0 0.0 16.
Gross Thermal Energy Generated (MWH).
2,076,873.0 10,229,698.2 351,022,878.2 17.
Gross Electrical Energy Generated (HWlO...
674,903.0 3,331,317.0 314,633,831.0 IB.
Net Electrical Energy Generated (MWH).
641,189.0 3,165,504.0 109,693,472.0 19.
Unit Service Factor.
100.0%
84.1%
83.3%
20.
Unit Availability Factor.
100.04 64.1%
83.36
- 21. ' Unit Capacity Tactor (using MDC Net)..
99.34 B1.36 79.3%
22.
Unit Capacity Factor (using DER Net).
98.2%
80.4%
70.64 23.
Forced Outage Rete..
0.0%
0.06 4.9%
24.
Shutdowns Scheduled Over Nast 6 Montha (Type, Date, Duration of Each):
NONE 25, If Shutdown at end of Report Period, estimated time of startup:
26.
Units in Test Status (Prior to Commercial Operation) s Forecast Achieved INITI AL CRITICALITY j
INITIAL ELECTRICITY COMMERCIAL OPERATION l
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AVERAGE DAILY UNIT POWER LEVEL
)
Docket No.:
50-339 Unit NA-2 Date:
July 5.
1998
Contact:
W.
R.
Matthews Phone:
(540) 894-2101 MONTH JUNE 1998 l
DAY.
AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 895 17 895 2
895 18.
894 3
894 19 895 4
895 20 894 5
895 21 894 6
894 22 894 7
895 23 893 8
895 24 893 9
887 25 892 10 892 26 893 11 860 27 889 12 850 28 880 13 896 23 891 14 896 30 891 15 896 16 895 l
l Instructions:
I 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.
I I
l
North Anna Power Station Unit No.:
2 Month: June 1998
SUMMARY
OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for the month which required load reductions or resulted in significant non-load related incidents.
Date Time Data June 1,1998 0000 Began the month in Mode 1,100% power,938 Mwe.
June 11,1998 1843 B moisture separator reheater (MSR) outlet valve,2-MS-RSV-18, failed closed due to an EHC leak.
2017 Commence unit rampdown due to increasing steam flow through "A" MSR causing moisture carry-over.
2335 Holding ramp at 73% power,680 Mwe.
June 12,1998 0000 Unit at 72% power,680 Mwe, awaiting repairs to 2-MS-RSV-18.
0316 Repairs complete on 2-MS-RSV-1 B, commence rampup to 100% power.
0539 Unit at 100% power, 942 Mwe, June 30,1998 2400 Ended the month in Mode 1,100% power, 942 Mwe.
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