Power Systems Reactance relays are used for the protection of medium transmission lines only short transmission lines only All of these long transmission lines only medium transmission lines only short transmission lines only All of these long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor) V1 = 5 kV and V2 = 6 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 6 kV and V2 = 5 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 6 kV and V2 = 5 kV V1 = 3.46 kV and V2 = 2.89 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. none of above. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.35. 0.75. 1.0. 0.99. 1.35. 0.75. 1.0. 0.99. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m ANSWER DOWNLOAD EXAMIANS APP