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 200 MVA 500 MVA 100 MVA 400 MVA 200 MVA 500 MVA 100 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have large atomic mass. may be any of the above. None of these small atomic mass. large atomic mass. may be any of the above. None of these small atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 500 450 900 250 500 450 900 250 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 250 Amp. 300 Amp. 350 Amp. 200 Amp. 250 Amp. 300 Amp. 350 Amp. 200 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to transient voltage. normal frequency 50 Hz rms voltage. none of these. arcing period voltage. transient voltage. normal frequency 50 Hz rms voltage. none of these. arcing period voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS