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Whats the principle of lightning? How protection against
lightning is achieved? Types of protection? How to select
the height of lightning spike? as per the area.
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Answer Posted / shivdutt tyagi
Lightning is a Ntural phenomenon. when thudercloudformed,
charge separation takes place. a step leader move forward
toward the ground if the suffiecient elctrical present
which is highher the breakdown value normal requred. and
leader move as a branch in path. when it aproaches the
ground level the grounded object having suficient field
meet to leader and charge back flow to the cloud and
neutralize there and a hug ecurrent flow called return
stroke. this explin lightning phenomenon
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