Power Systems The conductor carries more current on surface as compared to core. This is called as unsymmetrical fault All of these skin effect corona effect unsymmetrical fault All of these skin effect corona effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Cost of electrical energy per KWh is to be minimum All of these Reliable power has to be available Flexible power has to be available. Cost of electrical energy per KWh is to be minimum All of these Reliable power has to be available Flexible power has to be available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following both 1 and 2 series capacitor shunt reactor shunt capacitor both 1 and 2 series capacitor shunt reactor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peak load power plants is/are pumped storage plant nuclear plants both 1 and 2 diesel plant pumped storage plant nuclear plants both 1 and 2 diesel plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ANSWER DOWNLOAD EXAMIANS APP