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Economics of Power Generation

Economics of Power Generation
The load factor of domestic load is usually

50 to 60%
30 to 40%
60 to 70%
10 to 15%

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Economics of Power Generation
Generating capacity connected to the busbars and ready to take load when switched on is known as

Cold reserve
Hot reserve
Firm power
Spinning reserve

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Economics of Power Generation
Load shedding is done to

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

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Economics of Power Generation
A load draws a power of 10 kW at a power factor of 0.707 lagging. The lagging kVAR drawn from the supply will be

20 kVAR
15kVAR
10 kVAR
5 kVAR

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Economics of Power Generation
For a consumer most economical power factor is generally

0.5 lagging
0.95 lagging
0.5 leading
0.95 leading

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Economics of Power Generation
When the plant restors to load shedding it can be conclucted that

Daily load factor is unity
Plant is under repairs
Peak demand is more than the installed capacity
Diversity factor is zero

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