Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? any of the above RMS and Instantaneous value RMS and RMS value Instantaneous and RMS value any of the above RMS and Instantaneous value RMS and RMS value Instantaneous and RMS value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped capacitance in series addition of lumped inductance in parallel both 1 and 3 increasing its voltage level addition of lumped capacitance in series addition of lumped inductance in parallel both 1 and 3 increasing its voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 100 kV 36. 36 kV 30.6 Kv 18.18 kV 100 kV 36. 36 kV 30.6 Kv 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 8 MΩ 4 MΩ 32 MΩ 16 MΩ 8 MΩ 4 MΩ 32 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.22 0.4 5 2000 0.22 0.4 5 2000 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 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
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