Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 2 A -2 - j 1 A 5 + j 7 A 1 + j 4 A 1 + j 2 A -2 - j 1 A 5 + j 7 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 23.33 mH. 25.8 mH. 23.8 mH. 21.2 mH. 23.33 mH. 25.8 mH. 23.8 mH. 21.2 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC shunt motor Three phase synchronous motor Three phase induction motor DC series motor DC shunt motor Three phase synchronous motor Three phase induction motor DC series motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Nuclear. Diesel engine. Hydroelectric. Steam. Nuclear. Diesel engine. Hydroelectric. Steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to transient voltage. none of these. arcing period voltage. normal frequency 50 Hz rms voltage. transient voltage. none of these. arcing period voltage. normal frequency 50 Hz rms voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 350 Amp. 200 Amp. 300 Amp. 250 Amp. 350 Amp. 200 Amp. 300 Amp. 250 Amp. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS