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 4 MJ/MVA 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect skin effect unsymmetrical fault All of these corona effect skin effect unsymmetrical fault All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xm - Xs Xs - Xm Xs +2 Xm 2Xs + Xm Xm - Xs Xs - Xm Xs +2 Xm 2Xs + Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? P and V V and δ Q and V P and Q P and V V and δ Q and V P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is accuracy is more reduced memory requirements in storing the Jacobian elements number of iterations are less All of these accuracy is more reduced memory requirements in storing the Jacobian elements number of iterations are less All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 78% 80% 76% 82% 78% 80% 76% 82% ANSWER DOWNLOAD EXAMIANS APP
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