Alternating current power is transmitted at high voltages

Related MCQs

• Standed conductors are used for transmitting power at high voltages because of
• 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
• Wooden poles for supporting transmission lines are used for voltages upto
• Pin insulators are normally used upto voltages of about
• The highest voltage at which the power is transmitted in India 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
• When the power is to be transmitted over a distance of 580 km, the transmission voltage should be in the range
• If 3 MW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be
• The highest voltage at which the power is transmitted in India is