Power Systems Maximum power transfer capability of transmission line can be increased by Parallel transmission lines Using series capacitance All of these Using bundled conductors Parallel transmission lines Using series capacitance All of these Using bundled conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because costlier it is more conductive it is cheaper and lighter its tensile strength is more costlier it is more conductive it is cheaper and lighter its tensile strength is more ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in mutual geometrical mean distance neither 1 nor 2 both 1 and 2 increase in height of conductors above ground increase in mutual geometrical mean distance neither 1 nor 2 both 1 and 2 increase in height of conductors above ground 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 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is none of these. 20 sec. 10 sec. 5 sec. none of these. 20 sec. 10 sec. 5 sec. ANSWER DOWNLOAD EXAMIANS APP