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Economics of Power Generation

Economics of Power Generation
The power transformer is usually rated in

kVA
kWh
kW
kVAR

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Economics of Power Generation
When the power factor is unity, the relation between line currnet I and supply voltage V is

I is in phase with V
None of the listed here
I lags V by 90°
I leads V by 90°

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Economics of Power Generation
The area under a load curve gives

energy consumed
maximum demand
average demand
None of these

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Economics of Power Generation
Diversity factor has dirrect effect on the

Running cost of unit generated
None of the listed here
Both fixed and running cost of unit generated
Fixed cost of unit generated

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Economics of Power Generation
Depreciation charge are high in case of

Thermal plant
Hydroelectric plant
Diesel plant
Diesel plant

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Economics of Power Generation
Load shedding is done to

Repair the machine
Reduce peak demand
Improve power factor
Run the equipment efficiency

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