Power Systems When series reactor is used in generating stations, the fault current magnitude is reduced remains unaffected any of the above increased reduced remains unaffected any of the above increased 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° 14.5° 10.5° 29° 35.5° 14.5° 10.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 8 × 10³ 2 × 10-3 7.95 × 10³ 7.95 × 10-3 8 × 10³ 2 × 10-3 7.95 × 10³ 7.95 × 10-3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following series capacitor shunt capacitor shunt reactor both 1 and 2 series capacitor shunt capacitor shunt reactor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT lightning arrester circuit breaker current transformer CVT lightning arrester circuit breaker current transformer ANSWER DOWNLOAD EXAMIANS APP
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