Power Systems The receiving end voltage for a long line under no load condition is more than the sending end voltage any of the above less than the sending end voltage equal to the sending end voltage more than the sending end voltage any of the above less than the sending end voltage equal to the sending end voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is porcelain mica glass PVC porcelain mica glass PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? medium transmission line long transmission line short transmission line any of the above medium transmission line long transmission line short transmission line any of the above ANSWER DOWNLOAD EXAMIANS APP
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