Corona Interview Questions and Answers: 1. What is corona ? Ans. When the voltage between conductors of an overhead line exceeds the disruptive critical voltage value, a hissing noise accompanied…
Corona Discharges: If the electric field is uniform, a gradual increase in voltage across a gap produces a breakdown of the gap in the form of a spark without any…
Corona: When an alternating potential difference is applied across two conductors whose spacing is large as compared to their diameters, there is no apparent change in the condition of atmospheric…
Electrical Power Engineering Interview Questions and Answers: AC Distribution Interview Questions and Answers Braking and Mechanical Considerations Interview Questions and Answers Bus Bar Protection Interview Questions and Answers Circuit Breakers…
High Voltage AC Transmission Interview Questions and Answers: 1. What are the transmission voltages that are used in India ? Ans. 33, 66, 110, 132, 220 and 400 kV. 765/800…
Transmission Line Constants Interview Questions and Answers: 1. Distinguish between ac and dc resistances of a conductor. Why the two differ ? Ans. The resistance offered to dc, by a…
Mechanical Design of Overhead Lines Interview Questions and Answers: 1. What are the various components of an overhead line ? Ans. The main components of an overhead line are supports/towers,…
Supply Systems Interview Questions and Answers: 1. What is the voltage that has been selected for HVDC transmission ? Ans. ± 500 kV. 2. What is an electric power supply…