Power Systems Which of the following is/are the stator faults? over current All of these failure of excitation Inter phase faults over current All of these failure of excitation Inter phase faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. binary vapor cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. binary vapor cycle. the Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency increase remains unaffected None of these decrease increase remains unaffected None of these decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) (n-2)×(n-2) n×n (n-1)×(n-2) (n-1)×(n-1) (n-2)×(n-2) n×n (n-1)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
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