In high voltage transmission lines the top most conductor is

Related MCQs

• Neglecting losses in a transmission system, if the voltage is doubled for the same power transmission, the weight of conductor material required will be
• If K be the volume of conductor for two wire dc system, then for the same voltage the volume of conductor for 3 wire dc system for supplying the same load will be
• If K be the volume of conductor for two wire dc system, then for the same voltage the volume of conductor for 3 wire dc system for supplying the same load will be
• Conductors for high voltage transmission lines are suspended from towers
• The most economic voltage for transmitting given power over a known distance by overhead transmission lines is approximately
• The voltage of a 2 wire de system is raised from 200 V to 400 V. For the same power transmitted over the same distance and for the same power loss, the saving in conductor copper will be
• The voltage of a 2 wire de system is raised from 200 V to 400 V. For the same power transmitted over the same distance and for the same power loss, the saving in conductor copper will be
• The advantage of dc transmission system over ac transmission system is
• The main advantage of ac transmission system over dc transmission system is
• Total load transmitted through a 3-phase transmission line is 10,000 kW at 0.8 power factor lagging. The I2 R losses are 900 kW. The efficiency of transmission line is