Power Systems If the fault is very nearer to the generator, the fault current is zero less larger any of the above zero less larger any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers improves system stability. reduces the short circuit current. decrease system stability. increased the short circuit current. improves system stability. reduces the short circuit current. decrease system stability. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 45° 60° 30° 35° 45° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.1 pu 0.5 pu 0.4 pu 0.2 pu 0.1 pu 0.5 pu 0.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.25 pu 0.15 pu 0.05 pu 0.45 pu 0.25 pu 0.15 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 32 m/s 159.24 m/s 159.24 m/µs 0.0312 m/s 32 m/s 159.24 m/s 159.24 m/µs 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
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