asked by
The insulation strength of EHV lines is mainly governed by 

 (a) Switching overvoltages (b) Lightning overvoltages (c) Power frequency overvoltages (d) Dynamic overvoltages 

Please log in or register to answer this question.

1 Answer

0 votes
answered by

The insulation strength of an EHV transmission line is mainly governed by switching over-voltages

Welcome to Q&A site for electrical and electronics engineering discussion for diploma, B.E./B.Tech, M.E./M.Tech, & PhD study.
If you have a new question please ask in English.
If you want to help this community answer these questions.