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flashover

A flashover is an electrical discharge between two points, two lines

or two live surfaces with different voltage potentials. Only when a certain voltage is reached can the air ionise and voltage equalisation can take place via an arc. Decisive for a voltage flashover is the distance between the points with the potential difference, the shape of the live points and the air pressure. Low air pressure increases the risk of a voltage flashover.

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Englisch: flashover
Updated at: 17.11.2019
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