Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 15.9 H 15.9 mH 2 mH 2 H 15.9 H 15.9 mH 2 mH 2 H ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are All of these It has units for all quantities Need of transformation ratio No units for any quantity All of these It has units for all quantities Need of transformation ratio No units for any quantity ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j1 pu j3 pu j9 pu j6 pu j1 pu j3 pu j9 pu j6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 2000 0.22 5 0.4 2000 0.22 5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is larger less any of the above zero larger less any of the above zero ANSWER DOWNLOAD EXAMIANS APP
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