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Title:
PRE-CHARGED HIGH-SPEED DIRECT-CURRENT BREAKER AND CONTROL METHOD THEREFOR, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2016/197973
Kind Code:
A1
Abstract:
Disclosed are a pre-charged high-speed direct-current breaker and a control method therefor, and a computer storage medium. The pre-charged high-speed direct-current breaker comprises a cutout branch and a main electronic switch branch which are connected in parallel, wherein the main electronic switch branch is used for conducting a current in normal operation; the cutout branch comprises a cutout switch and a capacitor (C) which are connected in series, and both ends of the capacitor (C) are used for being connected to a charging power supply (UC); and the main electronic switch branch comprises at least one electronic switch unit, a plurality of electronic switch units are connected in series, and the electronic switch unit is composed of high-power switch devices. The pre-charged high-speed direct-current breaker is short in breaking time and little in loss, and also can decrease a fault current and release an overvoltage.

Inventors:
WU JINLONG (CN)
ZHANG JUN (CN)
WANG XIANWEI (CN)
HE QINGLIAN (CN)
Application Number:
PCT/CN2016/085449
Publication Date:
December 15, 2016
Filing Date:
June 12, 2016
Export Citation:
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Assignee:
XJ GROUP CORP (CN)
XJ ELECTRIC CO LTD (CN)
XI'AN XJ POWER ELECTRONICS TECH CO LTD (CN)
International Classes:
H02H3/20; H02H3/087
Domestic Patent References:
WO2012100831A12012-08-02
Foreign References:
CN103457258A2013-12-18
CN104979796A2015-10-14
CN205160036U2016-04-13
CN103337851A2013-10-02
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
北京派特恩知识产权代理有限公司 (CN)
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