Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 3000 Ω 2000 Ω 500 Ω 1500 Ω 3000 Ω 2000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 80% 78% 82% 76% 80% 78% 82% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 2 × 10-3 7.95 × 10³ 8 × 10³ 7.95 × 10-3 2 × 10-3 7.95 × 10³ 8 × 10³ 7.95 × 10-3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LL LLL LG LLG LL LLL LG LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when reactive power goes beyond limit any of the above phase angle become high voltage at the bus become high reactive power goes beyond limit any of the above phase angle become high voltage at the bus become high ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plant capacity factor value is less than 1 1 0 greater than 1 less than 1 1 0 greater than 1 ANSWER DOWNLOAD EXAMIANS APP
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