Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5000 MVA. 5500 MVA. 5200 MVA. 5100 MVA. 5000 MVA. 5500 MVA. 5200 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following quantities are to be calculated for generator bus? P and Q δ and V Q and δ P and V P and Q δ and V Q and δ P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is 1.116 pu. none of these. 1.088 pu. 1.1 pu. 1.116 pu. none of these. 1.088 pu. 1.1 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? large number of iterations both 1 and 2 large requirement of computer memory None of these large number of iterations both 1 and 2 large requirement of computer memory None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLG LG LLL LL LLG LG LLL LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will decreases None of these increases remains unaffected decreases None of these increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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