Power Systems Main bus bar protection scheme is /are fault bus protection. differential protection. none of these. both fault bus and differential protection. fault bus protection. differential protection. none of these. both fault bus and differential protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature Over load Short circuit any of the above Temperature Over load Short circuit any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a unit matrix full matrix null matrix sparse matrix unit matrix full matrix null matrix sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Breaking speed. None of these. Both A and C. Critical length of breaking. Breaking speed. None of these. Both A and C. Critical length of breaking. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 85.5 105.2 95.5 102.5 85.5 105.2 95.5 102.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 2 pu 4 pu 0.2 pu 0.5 pu 2 pu 4 pu 0.2 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
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