Tuned Power Lines in Transmission: Equation (5.23) characterizes the performance of a Tuned Power Lines in long Transmission line. For an overhead line shunt conductance G is always negligible and…
High Voltage DC Transmission Interview Questions and Answers: 1. Why is voltage regulation better in case of dc transmission ? Ans. Because of absence of inductance in dc systems. 2.…
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…
Interference of Power Lines Interview Questions and Answers: 1. How do power lines cause interference with neighbouring communication lines ? Ans. The transmission lines transmit bulk power at relatively higher…
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,…
Important Questions of Protection of Busbars and Lines: 1. What is the importance of bus-bar protection ? 2. Describe the following systems of bus-bar protection : (i) Differential protection (ii)…
Important Questions of Electrical Design of Overhead Lines: 1. What do you understand by the constants of an overhead transmission line ? 2. What is skin effect ? Why is…