Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45.0 MVAr. 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45.0 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus admittance matrix is a sparse matrix both 1 and 2 nether 1 nor 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix both 1 and 2 nether 1 nor 2 Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is ω²C/3 1/3ω²C 3ω²C 3/ω²C ω²C/3 1/3ω²C 3ω²C 3/ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 2nd harmonic current. 5th harmonic current. 3rd harmonic current. 7th harmonic current. 2nd harmonic current. 5th harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2 pu 5 pu 2.67 pu 6 pu 2 pu 5 pu 2.67 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging any of the above shunt capacitor shunt reactor series capacitor any of the above shunt capacitor shunt reactor series capacitor ANSWER DOWNLOAD EXAMIANS APP
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