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

 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
 initial cost is low

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The VSWR of transmission line is

  Directly proportional to load impedance and inversely to characteristic impedance.
 Directly proportional to voltage minimum and inversely proportional to voltage maximum.
 Directly proportional to characteristic impedance and inversely to load impedance.
 Proportional to load and characteristic impedance.

ANSWER DOWNLOAD EXAMIANS APP