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Economics of Power Generation

Economics of Power Generation
An over excited synchronous motor on noload is known as

alternator
induction motor
generator
synchronous condenser

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Economics of Power Generation
Large capacity generators are invariably

Hydrogen cooled
Natural air cooled
Water cooled
Forced air cooled

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Economics of Power Generation
During load shedding

System frequency is reduced
System power factor is changed
System voltage is reduced
Some loads are switched off

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Economics of Power Generation
When the demand of consumer is not met by a power plant, it will resort to which of the following?

Load shedding
Power factor improvement at the generators
Penalising high load consumers by increasing the charges for electricity
Efficient plant operation

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Economics of Power Generation
Maximum demand tariff is generally not applied to domestic consumers because

Their load factor is low
They consume less power
Their maximum demand is low
None of the listed here

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Economics of Power Generation
Most of the loads are

Inductive
Resistive
None of the listed
Capacitive

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