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What is the purpose of lightning arrestor? |
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Answer» Due to lightning and switching surges, high voltages are induced in the lines. If equipment. Connected is subjected to this high voltage the insulation will fail. In order to avoid the failure of insulation, the LA is used. When the la is subjected to high voltage it will conduct and discharge the current to the earth. (It will divert the overvoltages to earth and protect the substation) |
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