Power Systems Condition for zero voltage regulation is cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt capacitor series capacitor shunt reactor both 1 and 2 shunt capacitor series capacitor shunt reactor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method N-R method All of these G-S method Decoupled method N-R method All of these G-S method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by atomic power station of the same output. less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by atomic power station of the same output. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA ANSWER DOWNLOAD EXAMIANS APP
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