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what is lightning arester?generaly which type of used in
industeries? why its used?
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Answer Posted / amar shah
Lighting aresster(Surge arrester) is used for protction of
elctrical equipments(i.e. Transformer, Circuit
breaker...etc) against lighting strok. it is available in
two type. Gap less Arrester (i.e. Zno arrester) & with Gap
Arrester (in air). when its maximum continues operating
voltage exceeds it will get shorted(Non linear
charactersitc) and the lighting strok passes through it o
earth, without damaging the equipment next to it.
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