Lightning striking the Eiffel Tower (1902)
I would like to share a problem I face when I have to install a surge protection device type 1 in high power electrical switchboard.
The situation is very “unconfortable” for me as a quality provider, because if a short-circuit of high value happens, though luckily probability is low, it would mean very serious safety risks …
Many Electrical Contractors and Panel builders ask this question.
To achieve the effective installation of the surge protection, the surge arrester’s connections to the grid should be as short as possible. Any cable crossed by a lightning impulse current has a significant voltage to be added to the Surge Protection Device (SPD) residual voltage.
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