Appreciate very much if you could explain what is meant by "UNDERHUNG CANTILEVER STRENGTH" for a post type or cap and pin type insualtors?
this is the rated strength of a particular insulator when installed in the underhung position (the position that is supported from above and not below)...
I have been doing some initial calculations for the maximum bus support spacing for a 230 kv swithcyard. the expected 3 phase sym fault duty is 70kA. my calculations show the max spacing is 12 feet this is too close. are there any suggestions of how to increase this and still be able to...