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Title:
LIGHTNING PROTECTION GROUNDING DEVICE AND LIGHTNING PROTECTION GROUND METHOD
Document Type and Number:
Japanese Patent JP2020137301
Kind Code:
A
Abstract:
To provide a lightning protection grounding device capable of protecting an electric installation of a wind power generator so as to separate a lightning protection ground from an electric ground when lightning occurs in the wind power generator sharing the electric ground with the lightning protection ground, and provide a lightning protection ground method.SOLUTION: A lightning protection grounding device S for a lightning protection of a wind power generator, comprises; an electric ground 5 making an electric installation for suppressing the wind power generator grounding; a lightning protection ground 3 that is grounded so as to release a lightning current flowing when lightning occurred in the wind power generator; and at least one or more winding loop coil 7 that connects the electric ground and the lightning protection ground. The loop coil is disconnected by a magnetic force caused by the current entering from the lightning current flowing on the lightning protection ground side at the lightning, and disconnects the lightning protection ground and the electric ground.SELECTED DRAWING: Figure 2

Inventors:
TASHIRO FUJIO
KATSUOKA YOICHI
YAMAMOTO TSUYOSHI
Application Number:
JP2019029649A
Publication Date:
August 31, 2020
Filing Date:
February 21, 2019
Export Citation:
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Assignee:
JGC CORP
International Classes:
H02G13/00; F03D80/30; H01R4/66; H01R43/00
Attorney, Agent or Firm:
Nishizawa Kazumi
Kazunori Onami
Matsumoto
Patent Corporation Yayoi Patent Office