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RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV BUT WE
KNOW THAT LIGHTENING ARRESTER IS USED FOR OVER VOLTAGE
PROTECTION SO WHY NOT THE RATING OF LIGHTENING ARRESTER BE
MORE THAN 11KV ???????????????//
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Answer Posted / gunasekaran
for solid grounding maximum voltage build up at earth faul
condition it self is not more than 80% of line voltage so
11*.8=8.8KV so we r using 9KV
| Is This Answer Correct ? | 8 Yes | 9 No |
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