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Economics of Power Generation

Economics of Power Generation
Load shedding is done to

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

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Economics of Power Generation
power plant cannot have single unit of 100 MW.

Nuclear
Steam
Diesel
Hydroelectric
Any of the above

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Economics of Power Generation
The lagging reactive power drawn by a load is zero. The power factor of the load is

1
None of the listed here
0.5
0.75

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Economics of Power Generation
For a large installation, it is better to apply

Individual correction to large motors
None of the listed here
Bulk correction to large motors
Individual correction to small motors

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Economics of Power Generation
In two part tariff, variation in load factor will affect

Both running and fixed charges
None of the listed here
Running charges
Fixed charges

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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

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

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