1) What is function of Grading Ring & Corona Ring in case of
Surge Arresters.??
2) Is that necessary to use Corona Ring in EHV Surge
Arresters.?
3) And what its function.?
I need reply regarding this matter urgently. Can anyone help me to sort out my query.
Surge Arresters.??
2) Is that necessary to use Corona Ring in EHV Surge
Arresters.?
3) And what its function.?
I need reply regarding this matter urgently. Can anyone help me to sort out my query.