Power Systems Main bus bar protection scheme is /are none of these. both fault bus and differential protection. fault bus protection. differential protection. none of these. both fault bus and differential protection. fault bus protection. differential protection. ANSWER DOWNLOAD EXAMIANS APP
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 Charging current under no load? 0.144∠90° A/phase 0.512∠90° A/phase 1.144∠90° A/phase 0.344∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 1.144∠90° A/phase 0.344∠90° A/phase 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 300 Amp. 200 Amp. 250 Amp. 350 Amp. 300 Amp. 200 Amp. 250 Amp. 350 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? medium transmission lines both 1 and 3 long transmission lines shoart transmission lines medium transmission lines both 1 and 3 long transmission lines shoart transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5.353 pu 7 pu 5 pu 3.535 pu 5.353 pu 7 pu 5 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine inward radial flow impulsive axial flow any of the above inward radial flow impulsive axial flow any of the above ANSWER DOWNLOAD EXAMIANS APP
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