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 A. 1.476 A. 14.7 mA. 14.76 A. 1 A. 1.476 A. 14.7 mA. 14.76 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under full load no load any of the above half load full load no load any of the above half load ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are It has units for all quantities All of these No units for any quantity Need of transformation ratio It has units for all quantities All of these No units for any quantity Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? gas based thermal power plant coal based thermal power plant nuclear plant pumped storage hydro power plant gas based thermal power plant coal based thermal power plant nuclear plant pumped storage hydro power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively increase and remain unaffected. decrease and increase. decrease and remain unaffected. increase and decrease. increase and remain unaffected. decrease and increase. decrease and remain unaffected. increase and decrease. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.25 pu 0.1 pu 0.2 pu 0.4 pu 0.25 pu 0.1 pu 0.2 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
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