Power Systems
Which of the following relays is/are unit protection relays?

 over current relays
 Differential relays
 Buccholz relays
 both 1 and 2

ANSWER DOWNLOAD EXAMIANS APP

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
 both 1 and 2
 initial cost is low
 smooth voltage regulation is possible by controlling excitation

ANSWER DOWNLOAD EXAMIANS APP