A NEW STANDARD IN METEOROLOGICALMONITORING .ppt

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1、A NEW STANDARD IN METEOROLOGICAL MONITORING SYSTEMS INSTALLED AT THE PERRY NUCLEAR POWER PLANT Jim Holian (SAIC) and Jamie Balstad (First Energy Corp),Meteorological Parameters,Systems A and B10 and 60 meter wind speed and directionDelta-t (60m-10m)10 meter temperature,Meteorological Parameters,Syst

2、ems A and B10 and 60 meter wind speed and directionDelta-t (60m-10m)10 meter temperatureSystem A only10 meter dew pointStation PressurePrecipitation,Meteorological Parameters,Design Basis,Two Beers,Design Basis,Two BeersValidation without elimination,Design Basis,Two BeersValidation without eliminat

3、ionReduce false 9 out of data,Design Basis,Two BeersValidation without eliminationReduce false 9 out of dataInclude onsite conditions/climatology,Design Basis,Produce a valid data set that is the “best of”,Design Basis (continued),Produce a valid data set that is the “best of”Reduce manual labor,Des

4、ign Basis (continued),Produce a valid data set that is the “best of”Reduce manual laborDecrease maintenance costs,Design Basis (continued),Produce a valid data set that is the “best of”Reduce manual laborDecrease maintenance costsIndependently shut down individual sensors,Design Basis (continued),Si

5、te-Specific Software,Detects the presence of wind direction shear between tower levels,Site-Specific Software,Detects the presence of wind direction shear between tower levels Identifies differences in the data attributable to tower interference,Site-Specific Software,Detects the presence of wind di

6、rection shear between tower levels Identifies differences in the data attributable to tower interference Recognizes light and variable winds,Site-Specific Software,Detects the presence of wind direction shear between tower levels Identifies differences in the data attributable to tower interference

7、Recognizes light and variable winds Identifies wind speed cup/threshold problems before they become obvious,Site-Specific Software,Site-Specific Software (contd),Recognizes delta-t differences attributed to sunrise/sunset/precipitation onset,Site-Specific Software (contd),Recognizes delta-t differen

8、ces attributed to sunrise/sunset/precipitation onset Identifies aspirator trips/fluctuations,Site-Specific Software (contd),Recognizes delta-t differences attributed to sunrise/sunset/precipitation onset Identifies aspirator trips/fluctuations Identifies problems associated with temperature/dew poin

9、t/precipitation interactions,Site-Specific Software (contd),Recognizes delta-t differences attributed to sunrise/sunset/precipitation onset Identifies aspirator trips/fluctuations Identifies problems associated with temperature/dew point/precipitation interactions Ability to turn off any sensor remo

10、tely,MAX WIND SPEED DIFFERENCE BETWEEN SYSTEMS A/B 3 MPH MAX WIND SPEED DIFFERENCE 10-60 METER 10 MPHMIN WD WHERE TOWER IMPACTS WIND SPEED - A 75 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - A 100 DEG.MIN WD WHERE TOWER IMPACTS WIND SPEED - B 100 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - B 115 DE

11、G.WD WHERE TOWER IMPACTS BOTH A/B WIND SPEEDS 100 DEG.,PNPP Site Evaluation Criteria,MAX WIND SPEED DIFFERENCE BETWEEN SYSTEMS A/B 3 MPH MAX WIND SPEED DIFFERENCE 10-60 METER 10 MPHMIN WD WHERE TOWER IMPACTS WIND SPEED - A 75 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - A 100 DEG.MIN WD WHERE TOWER

12、IMPACTS WIND SPEED - B 100 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - B 115 DEG.WD WHERE TOWER IMPACTS BOTH A/B WIND SPEEDS 100 DEG.,PNPP Site Evaluation Criteria,MAX WIND SPEED DIFFERENCE BETWEEN SYSTEMS A/B 3 MPH MAX WIND SPEED DIFFERENCE 10-60 METER 10 MPHMIN WD WHERE TOWER IMPACTS WIND SPEED -

13、 A 75 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - A 100 DEG.MIN WD WHERE TOWER IMPACTS WIND SPEED - B 100 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - B 115 DEG.WD WHERE TOWER IMPACTS BOTH A/B WIND SPEEDS 100 DEG.,PNPP Site Evaluation Criteria,MAX WIND SPEED DIFFERENCE BETWEEN SYSTEMS A/B 3 MPH MAX

14、 WIND SPEED DIFFERENCE 10-60 METER 10 MPHMIN WD WHERE TOWER IMPACTS WIND SPEED - A 75 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - A 100 DEG.MIN WD WHERE TOWER IMPACTS WIND SPEED - B 100 DEG. MAX WD WHERE TOWER IMPACTS WIND SPEED - B 115 DEG.WD WHERE TOWER IMPACTS BOTH A/B WIND SPEEDS 100 DEG.,PNPP

15、Site Evaluation Criteria,MAXIMUM ALLOWABLE WIND SPEED 98 MPH MINIMUM ALLOWABLE WIND SPEED -0.1 MPHMIN WIND SPEED FOR WD VALIDATION 3 MPHMAX WIND DIRECTION DIFFERENCE A/B 15 DEG. MAX WIND DIRECTION DIFFERENCE 10-60 M 30 DEG.MIN WD WHERE TOWER IMPACTS DIRECTION - A 60 DEG. MAX WD WHERE TOWER IMPACTS D

16、IRECTION - A 80 DEG.MIN WD WHERE TOWER IMPACTS DIRECTION - B 80 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION- B 110 DEG. WD WHERE TOWER IMPACTS BOTH A/B DIRECTIONS 80 DEG.,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE WIND SPEED 98 MPH MINIMUM ALLOWABLE WIND SPEED -0.1 MPHMIN WIND SPEED FOR W

17、D VALIDATION 3 MPHMAX WIND DIRECTION DIFFERENCE A/B 15 DEG. MAX WIND DIRECTION DIFFERENCE 10-60 M 30 DEG.MIN WD WHERE TOWER IMPACTS DIRECTION - A 60 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION - A 80 DEG.MIN WD WHERE TOWER IMPACTS DIRECTION - B 80 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION- B 110 DEG.

18、WD WHERE TOWER IMPACTS BOTH A/B DIRECTIONS 80 DEG.,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE WIND SPEED 98 MPH MINIMUM ALLOWABLE WIND SPEED -0.1 MPHMIN WIND SPEED FOR WD VALIDATION 3 MPHMAX WIND DIRECTION DIFFERENCE A/B 15 DEG. MAX WIND DIRECTION DIFFERENCE 10-60 M 30 DEG.MIN WD WHERE

19、TOWER IMPACTS DIRECTION - A 60 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION - A 80 DEG.MIN WD WHERE TOWER IMPACTS DIRECTION - B 80 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION- B 110 DEG. WD WHERE TOWER IMPACTS BOTH A/B DIRECTIONS 80 DEG.,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE WIND SPEED

20、98 MPH MINIMUM ALLOWABLE WIND SPEED -0.1 MPHMIN WIND SPEED FOR WD VALIDATION 3 MPHMAX WIND DIRECTION DIFFERENCE A/B 15 DEG. MAX WIND DIRECTION DIFFERENCE 10-60 M 30 DEG.MIN WD WHERE TOWER IMPACTS DIRECTION - A 60 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION - A 80 DEG.MIN WD WHERE TOWER IMPACTS DIRECTI

21、ON - B 80 DEG. MAX WD WHERE TOWER IMPACTS DIRECTION- B 110 DEG. WD WHERE TOWER IMPACTS BOTH A/B DIRECTIONS 80 DEG.,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE WIND DIRECTION 361 DEG. MINIMUM ALLOWABLE WIND DIRECTION -0.1 DEG.MAX SIGMA THETA DIFFERENCE A/B 10 DEG. MAX DIFFERENCE IN DELTA

22、T A/B 1 FBOTH 10/60 METER ASPIRATORS OK 4.6 VOLTS 60-METER ASPIRATOR HAS FAILED 4.2 VOLTS 10-METER ASPIRATOR HAS FAILED 3.8 VOLTS BOTH 10/60 METER ASPIRATORS FAILED 3.45 VOLTSMAX AMBIENT TEMP DIFFERENCE A/B 1.2 F,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE WIND DIRECTION 361 DEG. MINIMUM

23、 ALLOWABLE WIND DIRECTION -0.1 DEG.MAX SIGMA THETA DIFFERENCE A/B 10 DEG. MAX DIFFERENCE IN DELTA T A/B 1 FBOTH 10/60 METER ASPIRATORS OK 4.6 VOLTS 60-METER ASPIRATOR HAS FAILED 4.2 VOLTS 10-METER ASPIRATOR HAS FAILED 3.8 VOLTS BOTH 10/60 METER ASPIRATORS FAILED 3.45 VOLTSMAX AMBIENT TEMP DIFFERENCE

24、 A/B 1.2 F,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE TEMPERATURE 110 F MINIMUM ALLOWABLE TEMPERATURE -30 FMAXIMUM ALLOWABLE DEWPOINT 82 F MINIMUM ALLOWABLE DEWPOINT -30 F MAX DEW POINT EXCEEDING TEMPERATURE 1.8 FMAX DIFFERENCE CURRENT/PREVIOUS 15-MIN RAIN 0.99 IN. MAX TEMPERATURE-DEWPO

25、INT SPREAD W/RAIN 10 DEG. MINIMUM ALLOWABLE PRECIPITATION -0.1 IN. MAX ALLOWABLE 15-MINUTE PRECIPITATION 1.00 IN.,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE TEMPERATURE 110 F MINIMUM ALLOWABLE TEMPERATURE -30 FMAXIMUM ALLOWABLE DEWPOINT 82 F MINIMUM ALLOWABLE DEWPOINT -30 F MAX DEW POIN

26、T EXCEEDING TEMPERATURE 1.8 FMAX DIFFERENCE CURRENT/PREVIOUS 15-MIN RAIN 0.99 IN. MAX TEMPERATURE-DEWPOINT SPREAD W/RAIN 10 DEG. MINIMUM ALLOWABLE PRECIPITATION -0.1 IN. MAX ALLOWABLE 15-MINUTE PRECIPITATION 1.00 IN.,PNPP Site Evaluation Criteria (contd),MAXIMUM ALLOWABLE TEMPERATURE 110 F MINIMUM A

27、LLOWABLE TEMPERATURE -30 FMAXIMUM ALLOWABLE DEWPOINT 82 F MINIMUM ALLOWABLE DEWPOINT -30 F MAX DEW POINT EXCEEDING TEMPERATURE 1.8 FMAX DIFFERENCE CURRENT/PREVIOUS 15-MIN RAIN 0.99 IN. MAX TEMPERATURE-DEWPOINT SPREAD W/RAIN 10 DEG. MINIMUM ALLOWABLE PRECIPITATION -0.1 IN. MAX ALLOWABLE 15-MINUTE PRE

28、CIPITATION 1.00 IN.,PNPP Site Evaluation Criteria (contd),MAX ALLOWABLE STATION PRESSURE 30.75 IN/HG MIN ALLOWABLE STATION PRESSURE 27.75 IN/HG MAX 15-MINUTE PRESSURE CHANGE 0.2 IN/HGMAXIMUM ALLOWABLE DELTA-T 15.0 DEG. MINIMUM ALLOWABLE DELTA-T -6.0 DEG.DEWPOINT ASPIRATOR HAS FAILED 3.25 VOLTS DEW P

29、OINT & 60 METER ASPIRATOR FAILED 2.95 VOLTS DEW POINT & 10 METER ASPIRATOR FAILED 2.75 VOLTS ALL ASPIRATORS FAILED 2.58 VOLTS,PNPP Site Evaluation Criteria (contd),For both levelsIf neither wind speed reading is obtained from front-end processorset valid value to the bad wind speed value and set fla

30、g to 9If both wind speeds were “off” or “out of range”set valid value to the bad wind speed value and set flag to 9If one wind speed was “off” or “out of range”set valid value to good measurement and set flag to5 if using Train A or 6 if using Train BIf both wind speeds are a “stuck” value for last

31、12 15-minute periodsset valid value to the bad wind speed value and set flag to 8If only one current wind speed is a “stuck” value for last 12 15-min periodsset valid value to the other train and set flag to 7,Wind Direction Sensor Algorithm,0 Normal data validation. Using System A1 Secondary valida

32、tion required, using System A. For dew point the freeze-point was converted to dew point, or dew point slightly above the temperature and has been set to the temperature.2 Secondary validation required, using System B3 Used only for delta-t and temperature: one aspirator failed. Using the other syst

33、em sensor.,Validity Flags,Using System A Data. Validation exceed criteria because: Both System A and B wind directions were blowing through the tower.Secondary validation detected direction change with height greater than 30 degrees.Wind speed below light wind limit or wind speed less than predeterm

34、ined criteria.Delta-t differences occurred during sunrise/sunset,Validity Flags (continued),5/6 No Validation. Problem detected with System B/A sensor (turned “off” or problem with time/date stamp or reading data logger file) using System A/B7 Ambient Temperature/Delta-T -Both aspirators off, result

35、s could be affectedDew point -possible “stuck” sensor (same reading for 5 readings)Precipitation -Difference between temperature and dew point greater than 10 F.Wind Speed -One sensor at same level is “stuck” (same reading for 13 readings) Pressure -possible “stuck” sensor (same reading for 5 readin

36、gs).,Validity Flags (continued),8 Failed all validation checks. System A values passed if possible.Dew point exceeded temperature by greater than allowable criteria. Dew point reset to temperature.Wind Speed -Both sensors at same level are “stuck” (same reading for 13 readings)9 No data obtained fro

37、m either data logger or all similar sensors on same level turned “off”,Validity Flags (continued),Validity Flags Summary,0-3 Good data, best of both Systems A and B,Validity Flags Summary,0-3 Good data, best of both Systems A and B4-6 Requires closer review because system validation was limited or n

38、on-existent,Validity Flags Summary,0-3 Good data, best of both Systems A and B4-6 Requires closer review because system validation was limited or non-existent7-8 Requires intense scrutiny because data failed system validation,Validity Flags Summary,0-3 Good data, best of both Systems A and B4-6 Requ

39、ires closer review because system validation was limited or non-existent7-8 Requires intense scrutiny because data failed system validation9 Bad or missing data,Validity Flags Summary,00100418 3.8 12. 35.9 6.1 18. 16.5-0.8 59.0 53.829.350.00 00010000000 00100419 4.2 52. 14.1 6.7 45. 10.7-0.6 58.8 53

40、.429.350.00 00010000000 00100420 3.0 72. 9.6 0.6 71. 3.6 0.9 56.7 52.829.340.00 02022000000 00100421 2.3 74. 10.9 0.6 74. 4.2 1.4 56.1 52.729.350.00 02022000000 00100422 1.4117. 37.8 0.6 97. 3.6 1.6 55.5 52.729.360.00 00021000000 00100423 2.6109. 24.2 0.9117. 4.6 2.0 54.7 52.729.360.00 11020000000 0

41、0100424 1.8 95. 20.3 0.9119. 2.2 1.9 54.5 52.529.360.00 21024000000 00100501 2.3110. 17.5 1.0125. 4.0 1.8 54.3 52.629.370.00 11020000000 00100502 4.0139. 14.2 0.8146. 4.1 0.5 55.6 52.929.380.00 00020000000 00100503 2.5 92. 12.4 0.9122. 3.4 1.0 55.0 52.429.370.00 21024000000 00100504 2.4 76. 23.1 8.3

42、101. 5.6 1.2 54.3 52.029.360.00 22011000000 00100505 4.1107. 16.5 9.7106. 6.8 0.3 54.7 51.829.340.01 11011000000,PNPP Hourly Data,00100418 3.8 12. 35.9 6.1 18. 16.5-0.8 59.0 53.829.350.00 00010000000 00100419 4.2 52. 14.1 6.7 45. 10.7-0.6 58.8 53.429.350.00 00010000000 00100420 3.0 72. 9.6 0.6 71. 3

43、.6 0.9 56.7 52.829.340.00 02022000000 00100421 2.3 74. 10.9 0.6 74. 4.2 1.4 56.1 52.729.350.00 02022000000 00100422 1.4117. 37.8 0.6 97. 3.6 1.6 55.5 52.729.360.00 00021000000 00100423 2.6109. 24.2 0.9117. 4.6 2.0 54.7 52.729.360.00 11020000000 00100424 1.8 95. 20.3 0.9119. 2.2 1.9 54.5 52.529.360.0

44、0 21024000000 00100501 2.3110. 17.5 1.0125. 4.0 1.8 54.3 52.629.370.00 11020000000 00100502 4.0139. 14.2 0.8146. 4.1 0.5 55.6 52.929.380.00 00020000000 00100503 2.5 92. 12.4 0.9122. 3.4 1.0 55.0 52.429.370.00 21024000000 00100504 2.4 76. 23.1 8.3101. 5.6 1.2 54.3 52.029.360.00 22011000000 00100505 4

45、.1107. 16.5 9.7106. 6.8 0.3 54.7 51.829.340.01 11011000000,PNPP Hourly Data,00100418 3.8 12. 35.9 6.1 18. 16.5-0.8 59.0 53.829.350.00 00010000000 00100419 4.2 52. 14.1 6.7 45. 10.7-0.6 58.8 53.429.350.00 00010000000 00100420 3.0 72. 9.6 0.6 71. 3.6 0.9 56.7 52.829.340.00 02022000000 00100421 2.3 74.

46、 10.9 0.6 74. 4.2 1.4 56.1 52.729.350.00 02022000000 00100422 1.4117. 37.8 0.6 97. 3.6 1.6 55.5 52.729.360.00 00021000000 00100423 2.6109. 24.2 0.9117. 4.6 2.0 54.7 52.729.360.00 11020000000 00100424 1.8 95. 20.3 0.9119. 2.2 1.9 54.5 52.529.360.00 21024000000 00100501 2.3110. 17.5 1.0125. 4.0 1.8 54

47、.3 52.629.370.00 11020000000 00100502 4.0139. 14.2 0.8146. 4.1 0.5 55.6 52.929.380.00 00020000000 00100503 2.5 92. 12.4 0.9122. 3.4 1.0 55.0 52.429.370.00 21024000000 00100504 2.4 76. 23.1 8.3101. 5.6 1.2 54.3 52.029.360.00 22011000000 00100505 4.1107. 16.5 9.7106. 6.8 0.3 54.7 51.829.340.01 1101100

48、0000,PNPP Hourly Data,PNPP System Performance,Data recovery consistently 95-100 percent,PNPP System Performance,Data recovery consistently 95-100 percentManual data replacement reduced by 200 labor hours (1 person-month) in 2001 alone,PNPP System Performance,Data recovery consistently 95-100 percent

49、Manual data replacement reduced by 200 labor hours (1 person-month) in 2001 aloneI&C annual work order requests reduced 60 percent (28 to 12),PNPP System Performance,Data recovery consistently 95-100 percentManual data replacement reduced by 200 labor hours (1 person-month) in 2001 aloneI&C annual w

50、ork order requests reduced 60 percent (28 to 12)Capital equipment inventory/tracking reduced,PNPP System Performance,Data recovery consistently 95-100 percentManual data replacement reduced by 200 labor hours (1 person-month) in 2001 aloneI&C annual work order requests reduced 60 percent (28 to 12)Capital equipment inventory/tracking reducedValidation software has identified every sensor /electronic problem since October 1999,