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Economics of Power Generation

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

0.95 leading
0.95 lagging
0.5 leading
0.5 lagging

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Economics of Power Generation
Load factor of a power station is defined as

average load x maximum demand
(average load x maximum demand)172
average load/maximum demand
maximum demand/average load

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

Nuclear
Hydroelectric
Any of the above
Diesel
Steam

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Economics of Power Generation
Approximate estimation of power demand can be made by

Statistical methods
Load survey method
Mathematical method
All of the listed here

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Economics of Power Generation
In order to improve the power factor in case of 3 phase loads, the capacitors are connected in

Star or delta
Delta
None of the listed here
Star

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Economics of Power Generation
In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Load factor will be nearly 60%
Plant reserve capacity will be zero
Diversity factor will be unity
Load factor will be unity

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