Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 16 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 16 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency reduce the heat both 2 and 3 increase the thermal efficiency reduce the thermal efficiency reduce the heat both 2 and 3 increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? increase string efficiency increase power factor All of these unequal ice loading increase string efficiency increase power factor All of these unequal ice loading ANSWER DOWNLOAD EXAMIANS APP
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