ARC ELIMINATOR - NEXPO CO LTD

Title:

ARC ELIMINATOR

Document Type and Number:

WIPO Patent Application WO/2021/045351

Kind Code:

A1

Abstract:

The present invention provides an arc eliminator, comprising: a plurality of housings formed of an insulation material; fixed electrodes disposed on the upper sides of the insides of the housings and connected to each of high-voltage three-phase main bus bars; first springs provided on the inner circumferential surfaces of the fixed electrodes; movable electrodes disposed on the lower sides of the insides of the housings and provided to be movable in the vertical direction thereof; fixing units disposed to surround the moving electrodes on the lower sides of the insides of the housings; second springs provided to interfere with the outer circumferential surfaces of the movable electrodes on the inner circumferential surfaces of the fixing units; and coil units that provide an electron repelling force to the movable electrodes on the lower sides of the fixing units. When the movable electrodes are in contact with the fixed electrodes, the three-phase main bus bars are grounded.

Inventors:

PARK GI JU (KR)
JO HYUN MOO (KR)
LEE SANG MIN (KR)
CHOI SEUNG WOON (KR)

Application Number:

PCT/KR2020/007153

Publication Date:

March 11, 2021

Filing Date:

June 02, 2020

Export Citation:

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Assignee:

NEXPO CO LTD (KR)
SMART POWER CO LTD (KR)

International Classes:

H02H7/22; H01H1/24; H02B13/025; H02H9/04

Foreign References:

KR20150005257A	2015-01-14
KR20100063556A	2010-06-11
JPH0644868A	1994-02-18
KR20130012523A	2013-02-04
KR20170092051A	2017-08-10
KR102095408B1	2020-04-01