Power Systems Which of the following quantities are to be calculated for generator bus? P and Q δ and V P and V Q and δ P and Q δ and V P and V Q and δ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are All of these single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation It requires less maintanance All of these single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line ferranti effect skin effect All of these corona effect ferranti effect skin effect All of these corona effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are high. both operating and initial cost are low. operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are high. both operating and initial cost are low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above (Z1 = Z2) < Z0 Z1 = Z2 = Z0 (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 Z1 = Z2 = Z0 (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP