Power Systems Which of the following methods is/are used for reactive or voltage compensation series capacitor shunt capacitor generation excitation control All of these series capacitor shunt capacitor generation excitation control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 0.2 pu 1 pu 5 pu 0.25 pu 0.2 pu 1 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In transmission lines distribution constants are both 1 and 2 resistance inductance and resistance inductance and capacitance both 1 and 2 resistance inductance and resistance inductance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 28 %. 56 %. 14 %. None of above 28 %. 56 %. 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Impedance relay. Mho relay. Buchholz relay. IDMT relay. Impedance relay. Mho relay. Buchholz relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding All of these reactance grounding isolated grounding resistance grounding All of these reactance grounding isolated grounding ANSWER DOWNLOAD EXAMIANS APP
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