Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be -2 - j 1 A 5 + j 7 A 1 + j 4 A 1 + j 2 A -2 - j 1 A 5 + j 7 A 1 + j 4 A 1 + j 2 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling collect ash particals All of these improving thermal efficiency cooling collect ash particals All of these improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.25 0.5 0.75 0.4 0.25 0.5 0.75 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 200 MW 800 MW 400 MW 1600 MW 200 MW 800 MW 400 MW 1600 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Base load station. Minimum load station. None of above. Peak load station. Base load station. Minimum load station. None of above. Peak load station. ANSWER DOWNLOAD EXAMIANS APP
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