Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 5. 7. 3. 20. 5. 7. 3. 20. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.76 A. 14.7 mA. 1.476 A. 1 A. 14.76 A. 14.7 mA. 1.476 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are All of these Transmission line losses are reduced Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one six three two one six three two ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Geothermal. Wind. Solar. Tidal. Geothermal. Wind. Solar. Tidal. 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 500 MVA 100 MVA 200 MVA 400 MVA 500 MVA 100 MVA 200 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
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