DIRECT-CURRENT CIRCUIT BREAKER

Title:

DIRECT-CURRENT CIRCUIT BREAKER

Document Type and Number:

WIPO Patent Application WO/2021/106191

Kind Code:

A1

Abstract:

This direct-current circuit breaker has a mechanical circuit breaker, a surge arrester, and a commutation circuit. The mechanical circuit breaker is connected to a first direct-current transmission line at a first end thereof and to a second direct-current transmission line at a second end thereof. The commutation circuit has a first switch, a second switch, a reactor, a capacitor, and a resistor. The commutation circuit, the surge arrester, and the mechanical circuit breaker are parallelly connected between the first direct-current transmission line and the second direct-current transmission line. The first switch, the capacitor, and the reactor are serially connected between the first direct-current transmission line and the second direct-current transmission line. The second switch and the resistor are serially connected and disposed in parallel with the first switch.

Inventors:

HASHIMOTO YUHEI (JP)
MIYAZAKI KENSAKU (JP)

Application Number:

PCT/JP2019/046772

Publication Date:

June 03, 2021

Filing Date:

November 29, 2019

Export Citation:

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Assignee:

TOSHIBA KK (JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP (JP)

International Classes:

H01H33/59

Domestic Patent References:

WO2016056274A1	2016-04-14
WO2015166600A1	2015-11-05

Foreign References:

JP2005197114A	2005-07-21
JP2009181908A	2009-08-13
JPS56152125A	1981-11-25

Other References: