Parameter

Unit

Live steam temperature at the boiler outlet

702

˚C

Live steam temperature at the turbine inlet

700

˚C

Live steam pressure at the boiler outlet

35.8

MPa

Live steam pressure at the turbine inlet

35

MPa

Reheated steam temperature at the boiler outlet

721

˚C

Reheated steam temperature at the turbine inlet

720

˚C

Reheated steam pressure at the boiler outlet

7.5

MPa

Steam pressure in the IP/LP crossover pipe

0.5

MPa

Feed water temperature

330

˚C

Internal efficiency of the turbine HP part stage groups

90

%

Internal efficiency of the turbine IP part stage groups

92

%

Internal efficiency of the turbine LP part stage groups (the efficiency value is corrected due to the stack loss)

92

%

Stack loss

20

kJ/kg

Flue gas temperature at the boiler outlet

110

˚C

The boiler power efficiency

95

%

Excess air factor

1.2

-

Hard coal calorific value

23

MJ/kg

Generator efficiency

98.8

%

The turbine mechanical losses

0.9

MW

Efficiency of feed water pumps

85

%

Efficiency of regenerative exchangers

99.5

%

Flow losses in steam pipelines to regenerative exchangers

2

%

Losses of the feed water flow through regenerative exchangers

1

%

The cycle medium pressure drop in the boiler

4.3

MPa

Pressure drop of interstage steam in the boiler reheater

0.2

MPa

Flow losses in reheated steam pipelines

1

%

Flow losses between the turbine IP and LP part

1

%

The power unit gross electric power (at the generator terminals)

900

MW

Internal efficiency of the feed water and condensate pumps

85

%

Internal efficiency of the cooling water pumps

82

%

Efficiency of air and flue gas fans

85

%

Energy consumed by coal mills per kg of coal

90

kJ/kg

Efficiency of electric motors driving auxiliary equipment

97

%

Efficiency of the rotational speed adjustment

96

%

Efficiency of the unit transformer

99.5

%

Ambient temperature

14

ºC

Ambient pressure

98

hPa

The condenser cooling water temperature

19.1

˚C

Increment in the cooling water temperature

9

K

Temperature difference in the condenser

2.8

K

Pressure in the condenser

4.5

kPa

Heat from the machinery and equipment cooling as a percentage of heat extracted in the condenser

4

%