HIGH VOLTAGE DC CIRCUIT BREAKER

Title:

HIGH VOLTAGE DC CIRCUIT BREAKER

Document Type and Number:

WIPO Patent Application WO/2016/108524

Kind Code:

A1

Abstract:

The present invention relates to a high voltage direct current (DC) circuit breaker in which a vacuum interrupter part and a gas circuit breaker part are connected in series such that the fault current flowing in a high voltage DC line is broken. The DC circuit breaker according to the present invention comprises: the vacuum interrupter part provided at the DC line, and operating when an error occurs at one side or the other side of the DC line, so as to break the current in the DC line; the gas circuit breaker part connected in series to one side of the vacuum interrupter part; an LC circuit connected in parallel to the vacuum interrupter part (110) and including a capacitor and a reactor, which are connected in series, for generating LC resonance; a first bidirectional switching element connected in series to the LC circuit so as to switch a bidirectional current flow; and a second bidirectional switching element connected in parallel to the LC circuit, and switching a current flow so as to form the bidirectional LC resonance.

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Inventors:

CHUNG YOUNG HWAN (KR)
HWANG HUI DONG (KR)
KIM NAM KYUNG (KR)

Application Number:

PCT/KR2015/014286

Publication Date:

July 07, 2016

Filing Date:

December 24, 2015

Export Citation:

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Assignee:

HYOSUNG CORP (KR)

International Classes:

H01H33/59

Foreign References:

JP2014175077A	2014-09-22
JP2003123569A	2003-04-25
KR20000060552A	2000-10-16
JP2009181908A	2009-08-13
KR20120064504A	2012-06-19

Other References: