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US 4,308,566 AGranted
Lightning arrester device for power transmission line
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsMitsumasa Imataki, Kazuo Sakamoto
Life of this patent
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Abstract
A lightning arrester device for power transmission line comprises a lightning arrester comprising a sintered product made of a main component such as zinc oxide; a serial connection of a reactor and a fusible wire connected to the lightning arrester in series and a gap connected in parallel with the serial connection. The lightning arrester is disconnected from a power transmission line when the lightning arrester is broken.
Claims5
A lightning arrester device for a power transmission line which comprises a lightning arrester element comprising a sintered product made of a main component of zinc oxide;
- a serial connection of a reactor and fusible wire which is connected to the lightning arrester element in series;
- a serial connection of a gap and a disconnecting part connected in parallel with the serial connection of the reactor and the fusible wire wherein the fusible wire side is connected to the power transmission line and the lightning arrester element side is connected to the ground.
Dependencies are inferred from the claim text.