Power Systems
A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect?

 2 H
 2 mH
 15.9 mH
 15.9 H

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Power Systems
Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation?

 single unit can be used as both capacitance and inductor by adjusting the excitation
 smooth voltage regulation is possible by controlling excitation
 both 1 and 2
 initial cost is low

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