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

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

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Power Systems
Advantages of shunt compensation is/are

 single unit can be used as both capacitance and inductor by adjusting the excitation
 It requires less maintanance
All of these
 smooth voltage regulation is possible by controlling excitation

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