Power Systems The main objectives of electrical power transmission is/are 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 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? V and δ Q and V P and Q P and V V and δ Q and V P and Q P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to 120 kV 33 kV 11 kV any voltage level 120 kV 33 kV 11 kV any voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Reliable power has to be available All of these Flexible power has to be available. Cost of electrical energy per KWh is to be minimum Reliable power has to be available All of these Flexible power has to be available. Cost of electrical energy per KWh is to be minimum 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? 1.476 A. 14.76 A. 14.7 mA. 1 A. 1.476 A. 14.76 A. 14.7 mA. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 10 A 6.25 A 15 A 12.5 A 10 A 6.25 A 15 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
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