Power Systems In a biased differential relay the bias is defined as the ratio of 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. fault current and operating coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, power loss increases All of these interference increases charging current increases power loss increases All of these interference increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems ACSR means Aluminium conductor steel reinforced all conductor steel reinforced Aluminium copper steel reinforced Aluminium core steel reinforced Aluminium conductor steel reinforced all conductor steel reinforced Aluminium copper steel reinforced Aluminium core steel reinforced ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% 10% -6.92% -10% 6.92% 10% -6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is less than the sending end voltage equal to the sending end voltage any of the above more than the sending end voltage less than the sending end voltage equal to the sending end voltage any of the above more than the sending end voltage ANSWER DOWNLOAD EXAMIANS APP
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