Power Systems The most suitable circuit breaker for short line fault without switching resistor is none of these. oil circuit breaker. SF6 breaker. air blast circuit breaker. none of these. oil circuit breaker. SF6 breaker. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 400 MVA 500 MVA 200 MVA 100 MVA 400 MVA 500 MVA 200 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only short transmission lines only long transmission lines only None of these medium transmission lines only short transmission lines only long transmission lines only None of these 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 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
Power Systems If the conductor diameter decreases, inductance of the line, None of these decreases increases remains unaffected None of these decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.043 mH 1.232 mH 1.182 mH 1.093 mH 1.043 mH 1.232 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS