Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.1 pu 0.5 pu 0.4 pu 0.2 pu 0.1 pu 0.5 pu 0.4 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 0.5 pu 0.8 pu 1 pu 0.4 pu 0.5 pu 0.8 pu 1 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Load cycle tests. Thermal stability test. Impulse tests. All of these. Load cycle tests. Thermal stability test. Impulse tests. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-star star-delta delta-delta star-star delta-star star-delta delta-delta star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against overload. temperature. short circuit. over voltage. overload. temperature. short circuit. over voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by Using bundled conductors All of these Parallel transmission lines Using series capacitance Using bundled conductors All of these Parallel transmission lines Using series capacitance ANSWER DOWNLOAD EXAMIANS APP
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