Power Systems Specified quantities of slack bus are P and V P and δ P and Q V and δ P and V P and δ P and Q V and δ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as any of the above long transmission lines short transmission lines medium transmission lines any of the above long transmission lines short transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 28.28 kV 30.28 kV 29.28 kV 31.28 kV 28.28 kV 30.28 kV 29.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 0.98 pu 1.098 pu 0.098 pu 1 pu 0.98 pu 1.098 pu 0.098 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
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 reactor at receiving end shunt capacitor at receiving end All of these shunt resistance at receiving end shunt reactor at receiving end shunt capacitor at receiving end ANSWER DOWNLOAD EXAMIANS APP
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