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Economics of Power Generation

Economics of Power Generation
Load factor of a power station is generally

less than unity
equal to unity
more than unity
equal to zero Diversity factor is always

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Economics of Power Generation
A load drwas active power(P), apparent power(S) and reactive power (Q) from the line. The power factor of the load is

S/P
P/Q
P/S
Q/P

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Economics of Power Generation
An over excites synchronous motor on no load is called

Universal motor
Alternator
Synchronous condenser
Induction motor

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Economics of Power Generation
An ideal value of power factor is

0.75
0.5
1
0.8

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Economics of Power Generation
When the power factor is increased

Active power decreases
Active power increases
Line current increases
Line current decreases

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

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

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