Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.45 pu 0.05 pu 0.15 pu 0.25 pu 0.45 pu 0.05 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers reduces the short circuit current. improves system stability. decrease system stability. increased the short circuit current. reduces the short circuit current. improves system stability. decrease system stability. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? inductance capacitance conductance both 1 and 2 inductance capacitance conductance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following series capacitor both 1 and 2 shunt reactor shunt capacitor series capacitor both 1 and 2 shunt reactor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is 0 1 greater than 1 less than 1 0 1 greater than 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? All of these To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases ANSWER DOWNLOAD EXAMIANS APP
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