Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.05 0.25 0.025 0.02 0.05 0.25 0.025 0.02 ANSWER DOWNLOAD EXAMIANS APP
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 23.9 31.7 38.6 35.45 23.9 31.7 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is All of these to absorb the excess. to slow down the neutrons. to increase the energy of the neutrons. All of these to absorb the excess. to slow down the neutrons. to increase the energy of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as any of the above medium transmission line shunt capacitor long transmission line any of the above medium transmission line shunt capacitor long transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Impulse tests. Thermal stability test. All of these. Load cycle tests. Impulse tests. Thermal stability test. All of these. Load cycle tests. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are Need of transformation ratio All of these It has units for all quantities No units for any quantity Need of transformation ratio All of these It has units for all quantities No units for any quantity ANSWER DOWNLOAD EXAMIANS APP
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