S/N

Item

Unit

Operating conditions (losses)

1

Load

MW

220

166

110

Load

%

100

75.45

50

A

Bearing oil losses

i

Turbine side (TBS)

kW

61.39

42.266

27.209

ii

Collector ring side (CLRS)

kW

54.173

36.228

22.262

Total bearing losses

kW

115.569

78.494

49.147

B

Losses through H2 coolers

i

Cooler A

kW

789.998

557.269

419.404

ii

Cooler B

kW

743.193

596.761

419.676

iii

Cooler C

kW

788.933

557.270

452.836

iv

Cooler D

kW

742.524

556.069

381.125

Total cooler losses

kW

3064.649

2267.340

1673.041

C

Losses through seal oil

Turbine side (TBS)

kW

45.644

36.905

26.071

Collector ring side (CLRS)

kW

43.959

35.983

23.836

Total losses in seal oil

kW

89.603

72.888

49.907

D

Losses by radiation and convention

kW

18.067

16.162

12.955

E

Total losses

3287.888

2434.888

1785.05

F

Turbo-generator shaft power input

kW

223,287.88

168,434.940

111,785.374

G

Generator efficiency

%

98.57

98.55

98.40