Power Systems Bundled conductors in EHV transmission lines decrease capacitance increase capacitance decrease inducatance increase inductance decrease capacitance increase capacitance decrease inducatance increase inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.2 pu 0.5 pu 2 pu 4 pu 0.2 pu 0.5 pu 2 pu 4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating time of pumped storage plant is high very high low can't say high very high low can't say ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 52 Ω 40 Ω 28 Ω 33 Ω 52 Ω 40 Ω 28 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? True None of these False either 1 or 2 True None of these False either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 30.28 kV 29.28 kV 28.28 kV 31.28 kV 30.28 kV 29.28 kV 28.28 kV ANSWER DOWNLOAD EXAMIANS APP