Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.25 pu 0.4 pu 0.1 pu 0.2 pu 0.25 pu 0.4 pu 0.1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 0.4 pu 1 pu 0.5 pu 0.8 pu 0.4 pu 1 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Impedance relays any of the above Admittance relays Mho relays Impedance relays any of the above Admittance relays Mho relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is None of these high less it does not related to breakdown voltage None of these high less it does not related to breakdown voltage 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 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
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