Power Systems The insulation of modern EHV is designed based on lightning voltage. RI. switching voltage. corona. lightning voltage. RI. switching voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon voltage rating of one SCR. all of these. no. of SCR in the string. voltage rating of whole string. voltage rating of one SCR. all of these. no. of SCR in the string. voltage rating of whole string. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.15 pu 0.05 pu 0.45 pu 0.25 pu 0.15 pu 0.05 pu 0.45 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line remains same None of these increase decrease remains same None of these increase decrease 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 Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum All of these used as load frequency control most economical as a peak load supply plant operating time is minimum All of these used as load frequency control most economical as a peak load supply plant ANSWER DOWNLOAD EXAMIANS APP
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