Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.75. 1.0. 1.35. 0.99. 0.75. 1.0. 1.35. 0.99. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low both 1 and 2 smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? null matrix Unit matrix Y bus matrix Z bus matrix null matrix Unit matrix Y bus matrix Z bus matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as All of these skin effect unsymmetrical fault corona effect All of these skin effect unsymmetrical fault corona effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rating of fuse wire is expressed in Ampere. Watts. Ω. Mho. Ampere. Watts. Ω. Mho. ANSWER DOWNLOAD EXAMIANS APP