Power Systems
Under excited Synchronous phase modifier works as

 series capacitor
 shunt capacitor
 any of the above
 shunt reactor

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

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

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