ML20148B377
| ML20148B377 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 04/30/1997 |
| From: | Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 97-288, NUDOCS 9705130068 | |
| Download: ML20148B377 (13) | |
Text
...
VIHOINIA ELECTRIC AND Powna COMi%NY Ricnwono, VIRGINIA 20261 May 7,1997 United States Nuclear Regulatory Commission Serial No.97-288 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 NQfLIliANfMLEQWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the April 1997 Monthly Operating Report for North Anna Power Station Unit 1 and 2.
Very truly yours, DSW W. R. Matthews Station Manager I
i L
Enclosure
/Y cc:
U. S. Nuclear Regulatory Commission s-Region II Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 NRC Senior Resident inspector North Anna Power Station 9705130068 970430 DR ADOCK 0500 8
III!llll{llllll(l[]!
VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: bpril YEAR:
1997 Approved:
b w
$12N Station Manager
j CPERATING DATA REP RT DOCKET No.:
50-338 DATE: May 5, 1991 CONTACT:
W. R. Matthews PHONE:
(540) 894-2101 OPERATING STATUS 1.
Unit Names..
North Anna 1 2.
Reporting Periods...
April 1997 1
3.
Licensed Thernal Power (MWtit.
2,893 4.
Nameplate Rating (Gross MWe).
994 5.
Design Electrical Rating l Net Fbb).
907 6.
Maximum Dependable capacity (Gross HWel s.
940 7.
Maximum Dependable Capacity (Net MWe) s..
893 8.
If changes occur to Capacity Ratings (Iteps 3 thru 7) since last report, give reasonst N/A 9.
Power level to which restricted, if any (Net Fbk):
N/A 10.
Reasons f or restrictions, if anyt N/A 1
1 This Month Y-t-D Cumulative 11.
Hours in Reporting Period.
720.0 2,800.0 165,300.0 l
12.
Nunber of Hours Reactor was Critical.
720.0 2,880.0 120,097.2 13.
Reactor Reserve Shutdown Hours.
0.0 0.0 7,046.0 I
14.
Hours Generator On-Line.
720.0 2,680.0 125,053.8 15.
Unit Reserve Shutdown Hours.
0.0 0.0 0.0 16.
Gross Thermal Energy Generated it%*0.
2,019,207.4 8,325,771.9 335,906,308.5 17 Gross Electrical Energy Generated ( >**0.
681,782.0 2,728,067.0 147,310,753.0 18.
Het Electrical Energy Generated (MWH).
649,799.0 2,597,708.0 104,584,362.0 19.
Unit Service Factor.
100.06 100.04 75.7%
20.
Unit Availability Factor.
100.06 100.0%
75.1%
21.
Unit capacity Factor (using MDC Net).
101.15 101.04 70.8%
l 22.
Unit Capacity Factor tusing DER Net).
99.54 99.4%
69.8%
f 23.
Forced Outage Rate.
0.0%
0.06 8.6%
l 24.
Shutdohms Scheduled Over Next 6 Months (Type, Date, Duration of Each): Scheduled Refueling Outage l
beginning May 11, 1997, duration =35 days.
25.
If Shutdown at end of Report Period, estineted time of Startup N/A 26.
Units in Test Status (Prior to Concercial Operation):
Forecast Achieved INITI AL CRITICALITY INITI AL ELECTPICITY Ca>94ERCIAL OPEPATION i
l l
l l
1
.. ~ _ _
4 AVERAGE DAILY UNIT POWER LEVEL Docket No. :
50-338 Unit:
NA-1 Date:
May 5, 1997
Contact:
W. R. Matthews Phone:
(540) 894-2101 MONTH: April 1997 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 903 17 907 2
903 18 907 3
903 19 908 4
903 20 907 5
903 21 903 6
902 22 903 7
902 23 903 8
903 24 903 9
903 25 899 10 903 26 903 11 903 27 904 l
12 903 28 902 l
13 903 29 903 14 907 30 903 l
15 907 t
16 907 l
Instructions:
On this format, list the average daily unit power level in MWe-l Net for each day in the reporting month.
Compute to the nearest whole megawatt.
er.
... _ - _ _. ~. _. _..
NORTH ANNA POWER STATION UNIT NO.:
1 MONTH: April SUte4ARY OF OPERATING EXPERIENCE Page 1 of 1 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.
1 Date Time Data April 01, 1997 0000 Began month with unit at 100% power, 949 MWe.
April 25, 1997 0933 Commence unit ramp down for performance of Turbine Valve Freedom Test (TVFT) from 100%
power, 950 MWe.
j 1015 Unit stable at 91.9% power, 879 MWe.
1039 TVFT complete satisfactorily.
Commence unit ramp to 100% power.
1153 Unit stable at 100% power, 946 MWe.
April 30, 1997 2400 Ended month with unit stable at 100% power, 949 MWe.
L l
l
{
l l
l, f
I i
i l
4 e
i
..~
t o
6 i
Page 1
of 1
i UNIT SHUTDOWN AND POWER REDUCTIONS i
i Explanation Sheet 4
i i
4 Docket No.:
50-338 i
i l
Report Month April Unit Name:
NA-1 Year: -1997 Date: May 5, 1997 i
i e
b
Contact:
W. R. Matthews t
- No entries this month.
i 4
I 6
a I
i i
1 l
D i
)
k 1
I 6
t 4
k r
4 i
4 1-2 i
1:
4 i
...,m._-
-m..-
.m..
_.....-.-..-,_m.
.m.
.._>__.._..m.m j
-UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:
50-338 UNIT NAME:
NA-1 DATE: May 5, 1997 j
REPORT MONTH: April 1997 CONTACT: W.
R. Matthews PHONE: (540) 894-2101 l
1 2
3 4
5 i
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective f
f (hrs)
Shutting Event Code Code Action to Down Reactor Report i Prevent Recurrence r
[
f
- No entries this month.
P f
't a
f 1: Type 2: Reason 3: Method 4:
I F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - Instructions l
S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3=Automa. tic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File r
E= Operator Training & License. Examination 5= Load Reduction (NUREG-0161)
F= Administrative 9=Other G= Operational Error 5:
i H=Other (explain)
Exhibit H - Same Source i
4 i
i l
r T
?
r t'
i CPERATING DATA REPORT s
t DOCKET NO.
50-339 DATEt May 5, 1997 CONTACTt W. R. Matthews PHONE (540) 894-2101 CtERATING STAINS 1.
Unit Namet.
North Anna 2 2.
Reporting Periodt...
April 1991 3.
Licensed Thermal Power (MWt).
2,893 4.
Nameplate Rating (Gross % )4..
979 5.
Design Electrical Rating (Net MWel..
907 6.
Maximum Dependable Capacity (Gross M4e):.
944 7.
Maximum Dependable Capacity (Net MWe)1.
897 i
8.
!! changes occur to Capacity Ratings (Items 3 thru 7) since last report, give reasons:
N/A 9.
Power level to which restricted, if any (Net MWolt N/A 10.
Reasons for restrictions, if anyt N/A This Month Y-t- D Cumulative
' i 11.
Hours in Reporting Period..
120.0 2,880.0 143,568.0 12.
Number of Hours Reactor was Critical.
720.0 2,880.0 119,835.2 13.
Reactor Maerve Shutdown Hours.
0.0 0.0 7,162.2 14.
Hours Genesstor On-Line.
720.0 2,880.0 118,664.2 15.
Unit Reserve 2hutdown Hours.
0.0 0.0 0.0 16.
Gross Thermal Entroy Generated (MWis).
2,079,415.6 8,324,016.2 323,905,934.2 17.
Gross Electrical Enery, Generated (MWH).
681,62].0 2,730,115.0 105,999,350.0 18 Net Electrical Energy Generated (MWH).
649,866.0 2,601,177.0 101,294,359.0 19.
Unit Service Factor.
100.06 100.06 82.7%
20.
Unit Availability Factor.
100.0%
100.04 82.74 21.
Unit Capacity Factor (using MDC Net).
100.64 100.7%
78.5%
i 22.
Unit Capacity Facter (using DER Net).
99.5%
99.6%
77.8%
23.
Forced Outage Rate..
0.06 0.0%
5.3%
24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, Duration of facn):
N/A 25.
If Shutdown at end of Report Period, estirs.ated time of Startup:
N/A 26.
Units in Test Status (Prior to Coasnercial Operation):
Forecast Achieved INITIAL CRIT]CALITY INITIAL ELECTRICITY CC$fERCI AL OPERATION
AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-339 Unit:
NA-2 Date:
May 5, 1997
Contact:
W. R. Matthews Phone:
(540) 894-2101 I
MONTH: April 1997.
DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER j
LEVEL - (MWe-Net)
LEVEL (MWe-Net)
I 1
903 17 907 2
902 18 907 3
902 19 908 4
901 20 908 5
902 21 904 6
902 22 904 4
7 902 23 903 i
8 903 24 903 9
904 25 903 10 904 26 903 11 899 27 903 12 903 28 902 13 904 29 903 14 909 30 903 i
15 908 16 907 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.
i s
' NORTH ANNA POWER STATION UNIT NO.:
2 MONTH: April SUt44ARY OF OPERATING EXPERIENCE Page 1 of 2 Listed below in chronological sequence is a summary of operating es:periences for this month which required load reductions or resulted in i
significant non-load related incidents.
Date Time Data-
{
i April 01, 1997 0000 Began month in Mode 1 at 100% power, 948 MWe, I
~ April 09, 1997 0710 Received Defcaming Tank Level -
High t
1010 Received water detection annunciator for l
2-GM-LS-211-3.
Investigation revealed oil in detector versus water.
1118 Commenced unit ramp per step 2.3 of 3
annunciator response 2-AR-T-B2 (Water Detector High) from 100% power, 949 MWe.
Ramping at-0.3% per hour.
1144 Performing change to annunciator response for water detector high 2-AR-T-B2 in accordance with Westinghouse memorandum stating that operation is allowed with limited amount of i
continuous oil ingress.
Ramp terminated at 97.2% power, 924 MWe.
1156 Commenced ramp to 100% power from 97%, 920
- MWe, 1236 Unit stable at 100% power, 948 MWe.
' April 11, 1997 1005 Commenced unit ramp down for Turbine Valve Freedom Test (TVFT) from 100% power, 948 MWe.
1039 Unit stable at 91% power, 875 MWe.
i 1121 TVFT complete satisfactorily.
1127 Commenced ramp to full power after TVFT from 91% power, 875 MWe.
1147 Stopped ramp at 97.5% power, 933 MWe for resolution on #4 Governor valve stroke.
.. - -. ~. _
_ ~ -
NORTH ANNA POWER STATION UNIT No.:
2 i
MONTH: April SIM4ARY OF OPERATING EXPERIENCE i
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 significant non-load related incidents.
Date Time Data April 11, 1997 1159 Recommenced ramp to 100% power.
1210 Unit stable at 100% power, 942 MWe.
1
. April 30, 1997 2400 Ended month in Mode 1 at 100% power, 947 MWe.
4 i
a i
1 i
4 l
I i
Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:
50-339 Report Month April Unit Name:
NA-2 Year:
1997 Date: May 5, 1997
Contact:
W. R. Matthews No entries this month.
l l
I l
i I
l 1
UNIT SHUTDOWS AND POWER REDUCTIONS DOCKET NO.:
50-339 UNIT NAME:
NA-2 DATE: May 5, 1997 REPORT MONTH: April 1997 CONTACT: W. R. Matthews PHONE: (540).894-2101 l
1 2
3 4
5 No.
Date Type Duration Reason Method of
. Licensee Sfstem Component Cause & Corrective (hrs)
Shutting Event Code Code Action to Down Reactor Report #
Prevent Recurrence I
t I
N o entries this month.
I 1: Type 2: Reason 3: Method 4
F= Forced A= Equipment Failure (explain) l= Manual Exhibit F - Instructions i
S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data
{
C= Refueling 3= Automatic Scram Entry Sheets _for Licensee i
D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)
F= Administrative 9-Other i
G= Operational Error 5:
H=Other (explain)
Exhibit H - Same Source i
I i
f I
I
-