Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 23.9 38.6 31.7 35.45 23.9 38.6 31.7 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the All of these positive sequence network zero sequence network negative sequence network All of these positive sequence network zero sequence network negative sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. elliptical. none of these. spiral. circular. elliptical. none of these. spiral. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 710 MW. 720 MW. 740 MW. 730 MW. 710 MW. 720 MW. 740 MW. 730 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
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