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 2.0 kV / μs. 10.01 kV / μs. 9.01 kV / μs. 12.2 kV / μs. 2.0 kV / μs. 10.01 kV / μs. 9.01 kV / μs. 12.2 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 10.936 pu 9.936 pu 8.936 pu 7.936 pu 10.936 pu 9.936 pu 8.936 pu 7.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for more surge impedance reduce losses less surge impedance proper discharging of lighting surges more surge impedance reduce losses less surge impedance proper discharging of lighting surges ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation generation excitation control series capacitor shunt capacitor All of these generation excitation control series capacitor shunt capacitor All of these ANSWER DOWNLOAD EXAMIANS APP