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* VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH   August   YEAR 1982 APPROVED:
O VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH August YEAR 1982 APPROVED:
As / n
As /
                                                                        - ~
n
- ~
STATION MANAWER 8211020216 820913 DR ADOCK 05000338 PDR
STATION MANAWER 8211020216 820913 DR ADOCK 05000338 PDR


r
r
          *8
*8 e
* e 1
1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-338 UNIT NA-1
50-338 UNIT NA-1 DATE 09-01-82 COMPLETED BY G. Schmitendorf TELEPHONE 703-894-5151X2502 MONTH August DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
    .                                                                                DATE   09-01-82 COMPLETED BY G. Schmitendorf TELEPHONE 703-894-5151X2502 MONTH             August DAY     AVERAGE DAILY POWER LEVEL           DAY   AVERAGE DAILY POWER LEVEL (MWe-Net)                                   (MWe-Net) 1               0                         17                 0 2               0                         18                 0 3               0                         19                 0 4               0                       20                 0
(MWe-Net) 1 0
17 0
2 0
18 0
3 0
19 0
4 0
20 0
~
~
5               0                       21                 0 6               0                       22                 0 7               0                       23                 0 8               0                       24                 0 9               0                       25                 0 10                 0                       26                 0 11                 0                       27                 0             _
5 0
12                 0                       28                 0 13                 0                       29                 0         ,_
21 0
14                 0                       30                 0 15                 0                       31                 0 16                 0 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.
6 0
22 0
7 0
23 0
8 0
24 0
9 0
25 0
10 0
26 0
11 0
27 0
12 0
28 0
13 0
29 0
14 0
30 0
15 0
31 0
16 0
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.


OPERATING DATA REPORT DOCKET NO.         50-338 DATE       09-01-82 COMPLETED BY       G. D. Schmitendorf '
OPERATING DATA REPORT DOCKET NO.
TELEPHONE (703) 894-5151 X2502 OPERATING STATUS Notes
50-338 DATE 09-01-82 COMPLETED BY G. D. Schmitendorf TELEPHONE (703) 894-5151 X2502 OPERATING STATUS Notes 1.
: 1. Unit Name:                       North Anna 1
Unit Name:
: 2. Reporting Period:               August 1982
North Anna 1 2.
: 3. Licensed Thermal Power (NWt):                                         2775
Reporting Period:
: 4. Nameplate Rating (Gross NWe):                                             947
August 1982 3.
: 5. Design Electrical Rating (Net MWe):                                       907
Licensed Thermal Power (NWt):
: 6. Maximum Dependable Capacity (Gross NWe):                                   918
2775 4.
: 7. Maximum Dependable Capacity (Net MWe):                                     865
Nameplate Rating (Gross NWe):
: 8. If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:
947 5.
NA
Design Electrical Rating (Net MWe):
: 9. Power Level To Which Restricted, If Any (Net NWe):                                                                   N/A
907 6.
: 10. Reasons For Restrictions, If Any:                                                                                       N/A 4
Maximum Dependable Capacity (Gross NWe):
This Month                       Yr.-to-Date           Cumulative
918 7.
: 11. Hours In Reporting Period                                                             744                   5,831                   37,152
Maximum Dependable Capacity (Net MWe):
: 12. Number of Hours Reactor Was Critical                                                       0                 3,129.9                 26,958.2
865 8.
: 13. Reactor Reserve Shutdown Hours                                                             0                     21.5                   256.4
If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:
: 14. Hours Generator On-Line                                                                   0                 3,022.9                 26,375.9 1
NA 9.
: 15. Unit Reserve Shutdown Hours                                                               0                         0                     0
Power Level To Which Restricted, If Any (Net NWe):
: 16. Gross Thermal Energy Generated (MWH)                                                       0             7,941,328               68,255,580
N/A
: 17. Gross Electrical Energy Generated (NWH)                                                   0             2,537,888               21,783,410
: 10. Reasons For Restrictions, If Any:
: 18. Net Electrical Energy Generated (NWH)                                                     0             2,396,973               20,519,889 c       19. Unit Service Factor                                                                       0                     51.8                     71.0 l       20.       Unit Availability Factor                                                             0                     51.8                     71.0 l
N/A 4
: 21.       Unit Capacity Factor (Using MDC Net)                                                 0                     47.5                     63.9 l
This Month Yr.-to-Date Cumulative
: 22. Unit Capacity Factor (Using DER Net)                                                       0                     45.3                     60.9
: 11. Hours In Reporting Period 744 5,831 37,152
,      23. Unit Forced Outage Rate                                                                     0                         7.3                   5.1 l       24.       Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
: 12. Number of Hours Reactor Was Critical 0
3,129.9 26,958.2
: 13. Reactor Reserve Shutdown Hours 0
21.5 256.4
: 14. Hours Generator On-Line 0
3,022.9 26,375.9 1
: 15. Unit Reserve Shutdown Hours 0
0 0
: 16. Gross Thermal Energy Generated (MWH) 0 7,941,328 68,255,580 17.
Gross Electrical Energy Generated (NWH) 0 2,537,888 21,783,410
: 18. Net Electrical Energy Generated (NWH) 0 2,396,973 20,519,889 c
: 19. Unit Service Factor 0
51.8 71.0 l
20.
Unit Availability Factor 0
51.8 71.0 l
21.
Unit Capacity Factor (Using MDC Net) 0 47.5 63.9 l
: 22. Unit Capacity Factor (Using DER Net) 0 45.3 60.9
: 23. Unit Forced Outage Rate 0
7.3 5.1 l
24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
l l
l l
l l
l l
: 25. If Shut Down At End Of Report Period, Estimated Date of Startup:                                                               10-21-82
25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
10-21-82
: 26. Units In Test Status (Prior to Commercial Operation):
: 26. Units In Test Status (Prior to Commercial Operation):
Forecast                     Achieved l                                       INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
Forecast Achieved l
              = .       . _ -      . _ -            .  .. - . . _ - _ _ . _ - .            . - . _ -  .- _ _ - -            _,
INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
=.


t - -
t - -
UNIT SHUTDOWNS AND POWER REDUCTIONS                             DOCKET NO.       50-338 UNIT NAME       North Anna 1 DATE       09-01-82 REPORT MONTH     August                             COMPLETED BY     G. D. Schmitendorf TELEPHONE   (703) 894-5151 X2502 l
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
No. Date Type Duration Reason       Method of     Licensee       System   Component       Cause & Corrective (Hours)             Shutting                     Code      Code 3 .F vent Down Reactor Report #
50-338 UNIT NAME North Anna 1 DATE 09-01-82 REPORT MONTH August COMPLETED BY G. D. Schmitendorf TELEPHONE (703) 894-5151 X2502 l
4          5 Action to Prevent Recurrence 82-10         S     744       The scheduled refueling outage continues 1             2                                             3                         4 F: Forced   Reason:                                       Method:                 Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain)                 1-Manual                 for Preparation of Data B-Maintenance or Test                         2-Manual Scram.         Entry Sheets for Licensee C-Refueling                                   3-Automatic Scram       Event Report (LER) File D-Regulatory Restriction                       4-Continuations           (NUREG-0161)-
No.
E-Operator Training & License Examination 5-Load Reduction F-Administrative                               9-Other                 5 G-Operational Error (Explain)
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
H-Other (Explain)                                                       Exhibit H - Same Source
Shutting F
3. vent Code Code Action to 4
5 Down Reactor Report #
Prevent Recurrence 82-10 S
744 The scheduled refueling outage continues 1
2 3
4 F: Forced Reason:
Method:
Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.
Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-0161)-
E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other 5
G-Operational Error (Explain)
H-Other (Explain)
Exhibit H - Same Source


AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339 UNIT NA-2 DATE   09-01-82 COMPLETED BY G. Schmitendorf I
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339 UNIT NA-2 DATE 09-01-82 COMPLETED BY G. Schmitendorf I
TELEPHONE 703-894-5151X2502 MONTH                       August DAY             AVERAGE DAILY POWER LEVEL               DAY   AVERAGE DAILY POWER LEVEL (MWe-Net)                                 (MWe-Net) 1                       0                       17                 0 2                         0                       18                 0 3                         0                       19                 0 4                         0                       20                 0 5                         0                       21                 0 6                       0                       22               92.5 7                       0                       23                 0 8                       0                       24                 0 9                       0                       25                 0 10                           0                       26                 0 11                           0                       27                 0 12                           0                       28                 0 13                           0                       29                 0 14                           0                       30               93.7       _,
TELEPHONE 703-894-5151X2502 MONTH August DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
15                           0                       31               206.6 16                           0 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.
(MWe-Net) 1 0
17 0
2 0
18 0
3 0
19 0
4 0
20 0
5 0
21 0
6 0
22 92.5 7
0 23 0
8 0
24 0
9 0
25 0
10 0
26 0
11 0
27 0
12 0
28 0
13 0
29 0
14 0
30 93.7 15 0
31 206.6 16 0
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.
l l
l l


    ,'      .-?
.-?
OPERATING DATA REPORT DOCKET NO.       50-339 DATE     09-01-82 COMPLETED BY       G. D. Schmitendorf   4 TELEFHONE (703) 894-5151 X2502 4
OPERATING DATA REPORT DOCKET NO.
OPERATING STATUS
50-339 DATE 09-01-82 COMPLETED BY G. D. Schmitendorf 4
:                                                                          Notes
TELEFHONE (703) 894-5151 X2502 4
: 1. Unit Name:               North Anna 2
OPERATING STATUS Notes 1.
: 2. Reporting Period:       August 1982
Unit Name:
: 3. Licensed Thermal Power (MWt):                 2775
North Anna 2 2.
: 4. Nameplate Rating (Gross MWe):                 947
Reporting Period:
: 5. Design Electrical Rating (Net MWe):           907                                                 .
August 1982 3.
: 6. Maximum Dependable Capacity (Gross MWe):       939
Licensed Thermal Power (MWt):
: 7. Maximum Dependable Capacity (het NWe):         890 i       8. If Changes Occur in Capacity Ratings.(Items No. 3 thru 7) Since Last Report, Give Reasons:
2775 4.
NA
Nameplate Rating (Gross MWe):
: 9. Power Level To Which Restricted, If Any (Net NWe):                         N/A
947 5.
: 10. Reasons For Restrictions, If Any:                                           N/A This Month       Yr.-to-Date           Cumulative
Design Electrical Rating (Net MWe):
: 11. Hours In Reporting Period                         744             5,831               15,023
907 6.
: 12. Number of Hours Reactor Was Critical               49.9           2,192.6               9,607.4
Maximum Dependable Capacity (Gross MWe):
: 13. Reactor Reserve Shutdown Hours                   185.1               358.8               1,992
939 7.
: 14. Hours Generator On-Line                             46.8           2,108.5               9,567.9
Maximum Dependable Capacity (het NWe):
: 15. Unit Reserve Shutdown Hours                         0                 0                     0
890 i
: 16. Gross Thermal Energy Generated (MWH)           40,396       5,112,986             23,895,827
8.
: 17. Gross Electrical Energy Generated (MWH)       11,230       1,687,590             8,002,822
If Changes Occur in Capacity Ratings.(Items No. 3 thru 7) Since Last Report, Give Reasons:
: 18. Net Electrical Energy Generated (MWH)           9,413       1,595,412             7,597,828
NA 9.
: 19. Unit Service Factor                                 6.3               36.2                 63.7
Power Level To Which Restricted, If Any (Net NWe):
: 20.     Unit Availability Factor                             6.3               36.2                 63.7
N/A
[     21.     Unit Capacity Factor (Using MDC Net)                 1.4               30.7                 56.8
: 10. Reasons For Restrictions, If Any:
: 22.     Unit Capacity Factor (Using DER Net)                 1.4               30.2                 55.8
N/A This Month Yr.-to-Date Cumulative 11.
: 23.     Unit Forced Outage Rate                             93.7               40.0                 24.2 h     24.     Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Hours In Reporting Period 744 5,831 15,023 12.
a
Number of Hours Reactor Was Critical 49.9 2,192.6 9,607.4 13.
: 25.     If Shut Down At End Of Report Period, Estimated Date of Startup:
Reactor Reserve Shutdown Hours 185.1 358.8 1,992 14.
Hours Generator On-Line 46.8 2,108.5 9,567.9 15.
Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 40,396 5,112,986 23,895,827 17.
Gross Electrical Energy Generated (MWH) 11,230 1,687,590 8,002,822 18.
Net Electrical Energy Generated (MWH) 9,413 1,595,412 7,597,828 19.
Unit Service Factor 6.3 36.2 63.7 20.
Unit Availability Factor 6.3 36.2 63.7
[
21.
Unit Capacity Factor (Using MDC Net) 1.4 30.7 56.8 22.
Unit Capacity Factor (Using DER Net) 1.4 30.2 55.8 23.
Unit Forced Outage Rate 93.7 40.0 24.2 h
24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
a 25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
: 26. Units In Test Status (Prior to Commercial Operation):
: 26. Units In Test Status (Prior to Commercial Operation):
Forecast             Achieved L                               INITIAL CRITICALITY
Forecast Achieved L
!                              INITIAL ELECTRICITY COMMERCIAL OPERATION
INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION


1
1
                                                                                                                                .g UNIT SHUTDOWNS AND POWER REDUCTIONS                       DOCKET NO.       50-339 UNIT NAME       North Anna 2 DATE       09-01-82 REPORT MONTH   August                             COMPLETED BY   G. D. Schmitendorf TELEPHONE   (703) 894-5151 X2502 No.       Date Type Duration Reason       Method of     Licensee     System   Component     Cause & Corrective (Hours)             Shutting 3
.g UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
4       *5             Action to Down Reactor Report #                             Prevent Recurrence 82-13 820708     F   512.1                         Continued from Previous Month             Repair work necessary following thermal. sleeves inspection in progress.
50-339 UNIT NAME North Anna 2 DATE 09-01-82 REPORT MONTH August COMPLETED BY G. D. Schmitendorf TELEPHONE (703) 894-5151 X2502 No.
82-14 820822     F   185.1       A         3             NA           NA       NA         "B" Phase Main Transformer Failure.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
I               2                                           3                       4 F: Forced     Reason:                                     Method:                 Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain)                 1-Manual                 for Preparation of Data B-Maintenance or Test                       2-Manual Scram.         Entry Sheets for Licensee C-Refueling                                 3-Automatic Scram       Event Report (LER) File D-Reguiatory Restriction                     4-Continuations         (NUREG-0161)
Shutting Action to 3
E-Operator Training & License Examination 5-Load Reduction F-Administrative                             9-Other                 5 G-Operational Error (Explain)
4
H-Other (Explain)                                                   Exhibit H - Same Source
*5 Down Reactor Report #
Prevent Recurrence 82-13 820708 F
512.1 Continued from Previous Month Repair work necessary following thermal. sleeves inspection in progress.
82-14 820822 F
185.1 A
3 NA NA NA "B" Phase Main Transformer Failure.
I 2
3 4
F: Forced Reason:
Method:
Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.
Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Reguiatory Restriction 4-Continuations (NUREG-0161)
E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other 5
G-Operational Error (Explain)
H-Other (Explain)
Exhibit H - Same Source


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Page   1       of   1 UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET       DOCKET NO.         50-338 a
1 e
REPORT MONTH   August   UNIT NAME         NA-2 YEAR     1982       DATE         09-01-82
Page 1
;                                                            COMPLETED BY   G. D. Schmitendorf 82-14       (A) (3)         At 1931 on August 22, 1982 with the unit at approximately 30% power the unit was stable and maintaining a power level below 30% for secondary chemistry to come within allowable specification for power escalation. A "B" Main Transformer Differential Trip Alarm was received. This was immediately followed by a turbine trip and a reactor trip.     Initial investigation indicated that an internal explosion had occurred on "B" Main Transformer. The unit was taken to Mode.3 and stabilized there. The reason for the transformer failure is still under investigation. The transformer was
of 1
,                                                replaced with a spare and the unit returned to~ power one week after the unit trip.
UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 a
REPORT MONTH August UNIT NAME NA-2 YEAR 1982 DATE 09-01-82 COMPLETED BY G. D. Schmitendorf 82-14 (A)
(3)
At 1931 on August 22, 1982 with the unit at approximately 30% power the unit was stable and maintaining a power level below 30% for secondary chemistry to come within allowable specification for power escalation. A "B" Main Transformer Differential Trip Alarm was received. This was immediately followed by a turbine trip and a reactor trip.
Initial investigation indicated that an internal explosion had occurred on "B" Main Transformer. The unit was taken to Mode.3 and stabilized there. The reason for the transformer failure is still under investigation. The transformer was replaced with a spare and the unit returned to~ power one week after the unit trip.
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Latest revision as of 18:57, 16 December 2024

Monthly Operating Repts for Aug 1982
ML20065T103
Person / Time
Site: North Anna  
Issue date: 09/01/1982
From: Schmitendorf G
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20065T090 List:
References
NUDOCS 8211020216
Download: ML20065T103 (8)
v • d • e


Text

_

t s

O VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH August YEAR 1982 APPROVED:

As /

n

- ~

STATION MANAWER 8211020216 820913 DR ADOCK 05000338 PDR

r

  • 8 e

1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-338 UNIT NA-1 DATE 09-01-82 COMPLETED BY G. Schmitendorf TELEPHONE 703-894-5151X2502 MONTH August DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

~

5 0

21 0

6 0

22 0

7 0

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 0

15 0

31 0

16 0

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.

OPERATING DATA REPORT DOCKET NO.

50-338 DATE 09-01-82 COMPLETED BY G. D. Schmitendorf TELEPHONE (703) 894-5151 X2502 OPERATING STATUS Notes 1.

Unit Name:

North Anna 1 2.

Reporting Period:

August 1982 3.

Licensed Thermal Power (NWt):

2775 4.

Nameplate Rating (Gross NWe):

947 5.

Design Electrical Rating (Net MWe):

907 6.

Maximum Dependable Capacity (Gross NWe):

918 7.

Maximum Dependable Capacity (Net MWe):

865 8.

If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:

NA 9.

Power Level To Which Restricted, If Any (Net NWe):

N/A

10. Reasons For Restrictions, If Any:

N/A 4

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 744 5,831 37,152
12. Number of Hours Reactor Was Critical 0

3,129.9 26,958.2

13. Reactor Reserve Shutdown Hours 0

21.5 256.4

14. Hours Generator On-Line 0

3,022.9 26,375.9 1

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 0 7,941,328 68,255,580 17.

Gross Electrical Energy Generated (NWH) 0 2,537,888 21,783,410

18. Net Electrical Energy Generated (NWH) 0 2,396,973 20,519,889 c
19. Unit Service Factor 0

51.8 71.0 l

20.

Unit Availability Factor 0

51.8 71.0 l

21.

Unit Capacity Factor (Using MDC Net) 0 47.5 63.9 l

22. Unit Capacity Factor (Using DER Net) 0 45.3 60.9
23. Unit Forced Outage Rate 0

7.3 5.1 l

24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

l l

l l

25.

If Shut Down At End Of Report Period, Estimated Date of Startup:

10-21-82

26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved l

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

=.

t - -

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-338 UNIT NAME North Anna 1 DATE 09-01-82 REPORT MONTH August COMPLETED BY G. D. Schmitendorf TELEPHONE (703) 894-5151 X2502 l

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)

Shutting F

3. vent Code Code Action to 4

5 Down Reactor Report #

Prevent Recurrence 82-10 S

744 The scheduled refueling outage continues 1

2 3

4 F: Forced Reason:

Method:

Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-0161)-

E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other 5

G-Operational Error (Explain)

H-Other (Explain)

Exhibit H - Same Source

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339 UNIT NA-2 DATE 09-01-82 COMPLETED BY G. Schmitendorf I

TELEPHONE 703-894-5151X2502 MONTH August DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 92.5 7

0 23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 93.7 15 0

31 206.6 16 0

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.

l l

.-?

OPERATING DATA REPORT DOCKET NO.

50-339 DATE 09-01-82 COMPLETED BY G. D. Schmitendorf 4

TELEFHONE (703) 894-5151 X2502 4

OPERATING STATUS Notes 1.

Unit Name:

North Anna 2 2.

Reporting Period:

August 1982 3.

Licensed Thermal Power (MWt):

2775 4.

Nameplate Rating (Gross MWe):

947 5.

Design Electrical Rating (Net MWe):

907 6.

Maximum Dependable Capacity (Gross MWe):

939 7.

Maximum Dependable Capacity (het NWe):

890 i

8.

If Changes Occur in Capacity Ratings.(Items No. 3 thru 7) Since Last Report, Give Reasons:

NA 9.

Power Level To Which Restricted, If Any (Net NWe):

N/A

10. Reasons For Restrictions, If Any:

N/A This Month Yr.-to-Date Cumulative 11.

Hours In Reporting Period 744 5,831 15,023 12.

Number of Hours Reactor Was Critical 49.9 2,192.6 9,607.4 13.

Reactor Reserve Shutdown Hours 185.1 358.8 1,992 14.

Hours Generator On-Line 46.8 2,108.5 9,567.9 15.

Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (MWH) 40,396 5,112,986 23,895,827 17.

Gross Electrical Energy Generated (MWH) 11,230 1,687,590 8,002,822 18.

Net Electrical Energy Generated (MWH) 9,413 1,595,412 7,597,828 19.

Unit Service Factor 6.3 36.2 63.7 20.

Unit Availability Factor 6.3 36.2 63.7

[

21.

Unit Capacity Factor (Using MDC Net) 1.4 30.7 56.8 22.

Unit Capacity Factor (Using DER Net) 1.4 30.2 55.8 23.

Unit Forced Outage Rate 93.7 40.0 24.2 h

24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

a 25.

If Shut Down At End Of Report Period, Estimated Date of Startup:

26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved L

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

1

.g UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-339 UNIT NAME North Anna 2 DATE 09-01-82 REPORT MONTH August COMPLETED BY G. D. Schmitendorf TELEPHONE (703) 894-5151 X2502 No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)

Shutting Action to 3

4

  • 5 Down Reactor Report #

Prevent Recurrence 82-13 820708 F

512.1 Continued from Previous Month Repair work necessary following thermal. sleeves inspection in progress.

82-14 820822 F

185.1 A

3 NA NA NA "B" Phase Main Transformer Failure.

I 2

3 4

F: Forced Reason:

Method:

Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Reguiatory Restriction 4-Continuations (NUREG-0161)

E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other 5

G-Operational Error (Explain)

H-Other (Explain)

Exhibit H - Same Source

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Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.

50-338 a

REPORT MONTH August UNIT NAME NA-2 YEAR 1982 DATE 09-01-82 COMPLETED BY G. D. Schmitendorf 82-14 (A)

(3)

At 1931 on August 22, 1982 with the unit at approximately 30% power the unit was stable and maintaining a power level below 30% for secondary chemistry to come within allowable specification for power escalation. A "B" Main Transformer Differential Trip Alarm was received. This was immediately followed by a turbine trip and a reactor trip.

Initial investigation indicated that an internal explosion had occurred on "B" Main Transformer. The unit was taken to Mode.3 and stabilized there. The reason for the transformer failure is still under investigation. The transformer was replaced with a spare and the unit returned to~ power one week after the unit trip.

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