Power Systems
A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively?

 0.6, 0.8 and 1.2 pu
 0.8, 0.6 and 1.2 pu
 0.6, 0.6 and 1.2 pu
 0.8, 0.8 and 1.2 pu

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP