Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 1.47 msec 9.68 msec 2.63 msec 4.68 msec 1.47 msec 9.68 msec 2.63 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.001 0.1 10 1000 0.001 0.1 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% -6.92% 10% -10% 6.92% -6.92% 10% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to 11 kV 33 kV any voltage level 120 kV 11 kV 33 kV any voltage level 120 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in ampere-hours. kWh. ampere-volts. amperes. ampere-hours. kWh. ampere-volts. amperes. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? peak value average RMS any of the above peak value average RMS any of the above ANSWER DOWNLOAD EXAMIANS APP
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