7/29/2019 Aux Power Consumption for Power Plants

1/2

Auxiliary Power Consumption for Power plants Sample

Sl No. Unit Parameter

1 Guaranteed 100% MCR TG output, each unit KW 150,000

2 No. of units 3

3 Total TG output at 100% MCR(Gross) KW 450000

4 %age wrt total

4.1 Boiler + TG with operating auxiliaries KW gross output

4.2 Transformer Losses

4.2.1 Generator transformer KW

4.2.2 Unit Transformer KW 8.004.2.3 Station Transformer KW

4.2.4 Bus duct KW

4.3 Balance of Plant(BOP) KW

Note : * This is excluding the instrument uncertainities limited to (+)2.5% over the measured value.

5 Auxiliaries considered ( only those which operate continuously) are as follows:

5.1 Boiler & Auxiliaries:

5.1.1 ID fans

5.1.2 FD fans

5.1.3 PA fans

5.1.4 RC feeders

5.1.5 Mills

5.1.6 Electrostatic Precipitator(ESP)

5.1.7 Scanner air fans

5.1.8 Seal air fans

5.1.9 Lube oil pumps for fans, AH, Mills etc

5.1.10 Chemical Feed system

5.1.11 Air Pre heater's

Description

36000

Aux Power Consumption - Guaranteed*

7/29/2019 Aux Power Consumption for Power Plants

2/2

Auxiliary Power Consumption for Power plants Sample

5.2 Turbine-Generator & auxiliaries

5.2.1 Chemical Feed system

5.2.2 GSC fan

5.2.3 Oil centrifuge

5.2.4 Oil vapour extractor

5.2.5 Condensate Extraction Pump

5.2.6 Boiler Feed Pump

5.2.7 ECW pump ( primary circuit )

5.3 Balance of Plant ( common for all three units )

5.3.1 Water system

5.3.1.1 Raw water pump

5.3.1.2 Circulating water pump(CW pump)

5.3.1.3 Aux cooling water pump(ACW pump)

5.3.1.4 Ash water pump ( make up )

5.3.1.5 DM water transfer pump

5.3.1.6 Cooling tower make up pump

5.3.1.7 Filter water feed pump to RO plant

5.3.1.8 Clarifier ( for effluent treatment)

5.3.1.9 RO plant , Chlorination

5.4 HVAC5.5 Coal handling Plant

5.6 Ash Handling Plant

5.7 Compressed Air System