Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 1 pu 5 pu 0.25 pu 0.2 pu 1 pu 5 pu 0.25 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 29° 35.5° 10.5° 14.5° 29° 35.5° 10.5° 14.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against over voltage. short circuit. overload. temperature. over voltage. short circuit. overload. temperature. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located In between the runner exhaust and the tail race. At the beginning of the penstock. Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. At the beginning of the penstock. Near the surge tank. In between the penstock and runner. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5000 MVA. 5200 MVA. 5100 MVA. 5500 MVA. 5000 MVA. 5200 MVA. 5100 MVA. 5500 MVA. 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 ? Asynchronous line both 1 and 2 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 ANSWER DOWNLOAD EXAMIANS APP
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