Deansharafi
Electrical
- Dec 9, 2003
- 58
Hi All,
I know that Hi-pot testing on HV paper insulated and screened cables is no longer recommended in the industry, but I still see it on some standards (ex. Australian Standard). What is the case for you who live in Europe or the US. Do you still do this test on HV cables?
For XLPE cables it is pretty clear that no Hi-pot testing must be carried out, but when it comes to paper insulated cables, it is still a matter of ambiguity.
I think imposing a pressure of 3 times rated voltage to a cable can be destructive itself, and it is a good reason why it shouldn't be done, however I still see it in the standards.
Your input is appreciated.
I know that Hi-pot testing on HV paper insulated and screened cables is no longer recommended in the industry, but I still see it on some standards (ex. Australian Standard). What is the case for you who live in Europe or the US. Do you still do this test on HV cables?
For XLPE cables it is pretty clear that no Hi-pot testing must be carried out, but when it comes to paper insulated cables, it is still a matter of ambiguity.
I think imposing a pressure of 3 times rated voltage to a cable can be destructive itself, and it is a good reason why it shouldn't be done, however I still see it in the standards.
Your input is appreciated.