What rating lightning arrestor would be suitable for a 13800/7900V system?
Your Answer: 15kV
Correct Answer: 10kV
There are two different ratings for 13.8 kV. How do you determine from this question which one they are looking for?
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Posted December 2, 2020
The question includes line to ground voltage levels of 7900v. This means you wouldn't choose the delta or ungrounded rated MCOV arrestor ratings.Originally Posted by breny426
What rating lightning arrestor would be suitable for a 13800/7900V system?
Your Answer: 15kV
Correct Answer: 10kV
There are two different ratings for 13.8 kV. How do you determine from this question which one they are looking for?
Last edited by rofo42; December 2, 2020 at 03:56 AM.
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