Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 75% 50% 90% 86%% 75% 50% 90% 86%% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of slack bus are P and V P and Q V and δ P and δ P and V P and Q V and δ P and δ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 20 MW 10 MW 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear reactors usually employ fusion. both of A and B. fission. none of above. fusion. both of A and B. fission. none of above. ANSWER DOWNLOAD EXAMIANS APP
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