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 35.45 31.7 23.9 38.6 35.45 31.7 23.9 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to 120 kV 33 kV 11 kV any voltage level 120 kV 33 kV 11 kV any voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance increases decreases remains unaffected None of these increases decreases remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Air. Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. Water. ANSWER DOWNLOAD EXAMIANS APP
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