Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.025 mH/Km
 0 mH/Km
 0.1 mH/Km
 0.05 mH/Km

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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
 initial cost is low
 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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