Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 800 Ω 160 Ω 400 Ω 200 Ω 800 Ω 160 Ω 400 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is SF6 breaker. none of these. air blast circuit breaker. oil circuit breaker. SF6 breaker. none of these. air blast circuit breaker. oil circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. Mho relay. IDMT relay. Buchholz relay. Impedance relay. Mho relay. IDMT relay. Buchholz relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criteria is used for absolute stability of the system relative stability of the system nether 1 nor 2 either 1 or 2 absolute stability of the system relative stability of the system nether 1 nor 2 either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for lagging power factor leading power factor unity power factor All of these lagging power factor leading power factor unity power factor All of these ANSWER DOWNLOAD EXAMIANS APP