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 1 + j 2 A 1 + j 4 A 5 + j 7 A -2 - j 1 A 1 + j 2 A 1 + j 4 A 5 + j 7 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 14.7 mA. 14.76 A. 1 A. 1.476 A. 14.7 mA. 14.76 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Nuclear power plant. Steam power plant. Diesel power plant. Hydro power plant. Nuclear power plant. Steam power plant. Diesel power plant. Hydro power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of medium length lines. long transmission lines. no length criterion. short length lines. medium length lines. long transmission lines. no length criterion. short length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon voltage rating of whole string. all of these. no. of SCR in the string. voltage rating of one SCR. voltage rating of whole string. all of these. no. of SCR in the string. voltage rating of one SCR. ANSWER DOWNLOAD EXAMIANS APP
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