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Economics of Power Generation

Economics of Power Generation
The best location of p. f. Correction equipment to be installed on the transmission line is at the

Sending end
Receiving end
None of the listed here
Middle end

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Economics of Power Generation
The power transformer is usually rated in

kWh
kVA
kVAR
kW

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Economics of Power Generation
Low power factor is usually not due to

Arc lamps
Induction motors
Incandescent lamp
Fluorescent tubes

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Economics of Power Generation
A load takes a current of I at a p. f. Of cos Ф. The wattless component of current is

I tan Ф
I sin Ф
I cos Ф
None of the listed here

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Economics of Power Generation
A 130 MW generator is usually ____ cooled.

Oxygen
Air
Nitrogen
Hydrogen

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Economics of Power Generation
Which of the following is an advantage of static capacitor for power factor improvement?

Ease in installation
Little maintenance cost
All of the listed here
Low losses

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