Horn spark gap lightning arrestor with a deion chamber

摘要

The invention relates to a horn spark gap lightning arrestor with a deion chamber (6) for quenching arcs in a housing (1) and controlling the internal gas flow for adjusting a different response of the arc produced in the case of power pulse current loading, on the one hand, and of the arc induced by follow-on current, on the other hand. For this purpose, the distance between the opposite electrode faces of the horn spark gap in the striking region is kept very small and there is only a slight widening of the distance in the diction of the end of the horn spark gap in order to prevent undesired migration of the arc in the event of lighting pulse current.

主权项

1. A horn spark gap lightning arrester with a deion chamber for quenching arcs in a housing and measures for setting a different response of the arc produced in the case of pulse current loading, on the one hand, and of the arc induced by follow current, on the other, wherein for this purpose
the distance between opposite electrode faces of the horn spark gap in the ignition region is kept small and the arrangement of the opposite electrode faces in the ignition region has a slight distance widening in the direction of the end of the horn spark gap.