Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 0.93 0.882 1 1.13 0.93 0.882 1 1.13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xm - Xs Xs +2 Xm 2Xs + Xm Xs - Xm Xm - Xs Xs +2 Xm 2Xs + Xm Xs - Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is more at the surface of the condutor current density is more at the centre of the condutor current density is lower at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the surface of the condutor current density is more at the centre of the condutor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.2 pu 5 pu 0.25 pu 1 pu 0.2 pu 5 pu 0.25 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored always if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored always if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to energy load curve. load curve. both B and C. mass curve. energy load curve. load curve. both B and C. mass curve. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS