Komandur Sunder Raj

Power & Energy Systems Services

6.06.57.07.58.08.59.09.5

10.010.511.011.512.012.513.013.514.014.515.015.516.016.517.017.518.018.519.019.520.0

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Date

Air S

igna

l (ps

i)

90

95

100

105

110

115

120

125

130

135

140

145

150

155

160

165

170

175

180

185

190

Tem

pera

ture

(F)

Dump Valve Average Temperature (F)

Dump Valve Average Air Signal (psig)

Data taken during a downpower

Date FW Flow In, lb/hr

FW Flow Out, lb/hr

Postulated Tube

Leakage, lb/hr

FW Temp. In, °F

FW Temp. Out, °F

FWH Shell

Press., psia

FWH Sat.

Steam Temp.,

°F

Extraction Steam

Flow, lb/hr

1Stg & 2Stg Rhtr. Drain Flow, lb/hr

Normal Drain Flow, lb/hr

Normal Drain Temp.

°F

Assumed /Calculated

Normal Drain Valve Position, %

DCA, °F

Dump Valve Drain Flow, lb/hr

Assumed Dump Valve

Position, %

Condensate Flow, lb/hr

Measured Gross

Output, MWe

11/13/2006 5,465,802 5,465,802 0 365.93 423.85 339.56 428.86 375,480 476,738 852,218 380.92 75% 14.99 0 0% 11,163,572 888.97312/15/2007 5,463,344 5,463,344 0 365.66 423.71 339.28 428.79 375,992 476,839 852,831 380.74 75% 15.08 0 0% 11,157,917 886.11712/24/2008 5,455,230 5,455,230 0 363.85 423.30 337.79 428.37 388,865 476,338 865,203 383.19 76% 19.34 0 0% 11,141,586 884.9569/23/2009 5,476,275 5,429,420 46,855 364.10 423.23 337.76 428.36 387,941 476,412 911,208 384.97 80% 20.87 0 0% 11,184,058 874.1209/24/2009 5,497,061 5,412,648 84,413 364.13 423.26 338.07 428.45 382,144 476,586 943,143 380.90 83% 16.77 0 0% 11,225,629 872.96212/3/2009 5,497,564 5,404,726 92,838 363.62 422.90 337.78 428.37 382,831 475,662 951,331 380.70 84% 17.08 0 0% 11,226,703 882.48612/14/2009 5,506,036 5,397,237 108,799 363.71 422.85 337.81 428.38 381,459 475,958 966,216 380.70 85% 16.99 0 0% 11,243,451 881.07212/15/2009 5,577,959 5,326,951 251,008 363.70 422.84 337.72 428.35 378,880 475,994 1,105,882 380.70 97% 17.00 0 0% 11,387,309 881.4001/10/2010 5,562,656 5,312,336 250,320 363.22 422.62 336.73 428.07 380,305 474,055 754,258 380.88 66% 17.66 350,422 30% 11,356,452 878.0141/11/2010 5,563,038 5,312,702 250,336 363.24 422.62 336.77 428.09 380,241 474,235 754,348 380.92 66% 17.68 350,464 32% 11,357,554 877.7351/23/2010 5,576,764 5,297,926 278,838 363.10 422.40 336.65 428.05 380,173 474,304 770,654 381.64 68% 18.54 362,661 32% 11,384,860 876.5391/24/2010 5,576,535 5,297,708 278,827 363.11 422.41 336.65 428.05 380,192 474,263 770,632 381.63 68% 18.52 362,650 32% 11,384,400 875.811

Future Planned Actions

Conclusions

Questions?