Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs All of these shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end 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 ? 35.5° 10.5° 29° 14.5° 35.5° 10.5° 29° 14.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? None of these long transmission lines only medium transmission lines only short transmission lines only None of these long transmission lines only medium transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect unsymmetrical fault All of these skin effect corona effect unsymmetrical fault All of these skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Transmission system must be more efficient with minimum line losses nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum both 1 and 2 Transmission system must be more efficient with minimum line losses nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP