Power Systems Asynchronous tie line is a None of these AC transmission line either 1 or 2 DC transmission line None of these AC transmission line either 1 or 2 DC transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 400 MVA 125 MVA 100 MVA 500 MVA 400 MVA 125 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines short transmission lines All of these long transmission lines medium transmission lines short transmission lines All of these long transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 350 Amp. 300 Amp. 200 Amp. 250 Amp. 350 Amp. 300 Amp. 200 Amp. 250 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are single unit can be used as both capacitance and inductor by adjusting the excitation All of these It requires less maintanance smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation All of these It requires less maintanance smooth voltage regulation is possible by controlling excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 7.25 pu 3.75 pu 2.5 pu 4.28 pu 7.25 pu 3.75 pu 2.5 pu 4.28 pu ANSWER DOWNLOAD EXAMIANS APP