Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 7.936 pu 9.936 pu 8.936 pu 10.936 pu 7.936 pu 9.936 pu 8.936 pu 10.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? All of these increase string efficiency unequal ice loading increase power factor All of these increase string efficiency unequal ice loading increase power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The essential requirement(s) for power plants to be operated as peak load plants are Low capital cost. Quick response to load variation. Capability of quick starts. All of these Low capital cost. Quick response to load variation. Capability of quick starts. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? All of these. Thermal stability test. Load cycle tests. Impulse tests. All of these. Thermal stability test. Load cycle tests. Impulse tests. ANSWER DOWNLOAD EXAMIANS APP
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