LIGHTNING ARRESTER, STRUCTURE PILLAR HAVING LIGHTNING ARRESTING FUNCTION, AND REDUCTION METHOD OF LIGHTNING SURGE VOLTAGE

Title:

LIGHTNING ARRESTER, STRUCTURE PILLAR HAVING LIGHTNING ARRESTING FUNCTION, AND REDUCTION METHOD OF LIGHTNING SURGE VOLTAGE

Document Type and Number:

Japanese Patent JP2008059870

Kind Code:

A

Abstract:

To provide a lightning arrester capable of preventing lightning damage by preventing certainly flashover of lightning surge current caused by ground discharge, to provide a structural pillar having lightning arresting function, and to provide a reduction method of lightning surge voltage.

The lightning arrester 1 to make lightning surge current I flow caused by ground discharge 7 is structured to have a steel pipe 3, a conductor 4 arranged coaxially in this steel pipe 3, and a filling material 10 having conductivity which is filled between the steel pipe 3 and the conductor 4. Thereby, the lightning surge current I flowing in the lightning arrester 1 is branched, and its low frequency component IL flows in the conductor 4 and its high frequency component IH is made to flow in the steel pipe 3 outside the conductor 4 and the filling material 10.

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Inventors:

MIYAGAWA TAKASHI
NAKAMURA KOICHI
HORIBE ISAO

Application Number:

JP2006234625A

Publication Date:

March 13, 2008

Filing Date:

August 30, 2006

Export Citation:

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Assignee:

NIPPON STEEL CORP
KAELA R & D CO LTD

International Classes:

H05F3/04; H02G13/00; H02H9/06

Domestic Patent References:

JPS5956399A	1984-03-31
JPS6252900A	1987-03-07
JP2004185982A	2004-07-02
JPH06204011A	1994-07-22

Attorney, Agent or Firm:

Koji Hagiwara
Tetsuo Kanamoto
Miaki Kametani

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