Power Systems A thermal protection switch is used to provide protection against overload. short circuit. temperature. over voltage. overload. short circuit. temperature. over voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.025 mH/Km 0.1 mH/Km 0.05 mH/Km 0 mH/Km 0.025 mH/Km 0.1 mH/Km 0.05 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 45° 26° and 30° 45° and 26° 30° and 26° 30° and 45° 26° and 30° 45° and 26° 30° and 26° 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 Making current is a------------ value? RMS peak value average any of the above RMS peak value average any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these resistance grounding ANSWER DOWNLOAD EXAMIANS APP
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