Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. 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 100 MVA 400 MVA 500 MVA 200 MVA 100 MVA 400 MVA 500 MVA 200 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 10% 6.92% -6.92% -10% 10% 6.92% -6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. both A and B. series. across. not connected. both A and B. series. across. not connected. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? medium transmission lines long transmission lines shoart transmission lines both 1 and 3 medium transmission lines long transmission lines shoart transmission lines both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
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