Power Systems Fault calculations using computer are usually done by None of these Z bus method Y bus method either 1 or 2 None of these Z bus method Y bus method either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Differential relays over current relays both 1 and 2 Buccholz relays Differential relays over current relays both 1 and 2 Buccholz relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems A gas turbine power plant is best suited for Base load. None of these. Emergency. Peak load. Base load. None of these. Emergency. Peak load. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 50% 90% 75% 86%% 50% 90% 75% 86%% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Blocking factor Gauss constant Lagrange multiplier Acceleration factor Blocking factor Gauss constant Lagrange multiplier Acceleration factor ANSWER DOWNLOAD EXAMIANS APP
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