Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Choice of slack bus affects the convergence Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence Choice of slack bus affects the convergence Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 23.9 38.6 35.45 31.7 23.9 38.6 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0 leading 0.707 leading 0.5 unity 0 leading 0.707 leading 0.5 unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped inductance in parallel both 1 and 3 increasing its voltage level addition of lumped capacitance in series addition of lumped inductance in parallel both 1 and 3 increasing its voltage level addition of lumped capacitance in series ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? same in both configuration triangular configuration None of these horizontal configuration same in both configuration triangular configuration None of these horizontal configuration ANSWER DOWNLOAD EXAMIANS APP
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