SG131045A1 - Vacuum switchgear - Google Patents

Vacuum switchgear

Info

Publication number
SG131045A1
SG131045A1 SG200606143-6A SG2006061436A SG131045A1 SG 131045 A1 SG131045 A1 SG 131045A1 SG 2006061436 A SG2006061436 A SG 2006061436A SG 131045 A1 SG131045 A1 SG 131045A1
Authority
SG
Singapore
Prior art keywords
metallic container
potential
vacuum
vacuum pressure
switchgear
Prior art date
Application number
SG200606143-6A
Other languages
English (en)
Inventor
Ayumu Morita
Kazuhiro Satou
Masato Kobayashi
Kenji Tsuchiya
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG131045A1 publication Critical patent/SG131045A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/668—Means for obtaining or monitoring the vacuum

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Measuring Fluid Pressure (AREA)
SG200606143-6A 2005-09-13 2006-09-06 Vacuum switchgear SG131045A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005264573A JP4169024B2 (ja) 2005-09-13 2005-09-13 真空開閉装置

Publications (1)

Publication Number Publication Date
SG131045A1 true SG131045A1 (en) 2007-04-26

Family

ID=37450879

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200606143-6A SG131045A1 (en) 2005-09-13 2006-09-06 Vacuum switchgear

Country Status (5)

Country Link
EP (1) EP1763049B1 (enExample)
JP (1) JP4169024B2 (enExample)
CN (1) CN1933078B (enExample)
SG (1) SG131045A1 (enExample)
TW (1) TW200717563A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4686555B2 (ja) * 2008-01-09 2011-05-25 株式会社日立製作所 真空開閉装置
TWI485736B (zh) * 2010-03-25 2015-05-21 Hitachi Ltd Vacuum switch and vacuum insulated switchgear
JP5501263B2 (ja) * 2010-03-25 2014-05-21 株式会社日立製作所 真空絶縁開閉器及び真空絶縁スイッチギヤ
CN102522269B (zh) * 2011-12-27 2016-08-24 日新恒通电气有限公司 智能断路器
JP6118627B2 (ja) * 2013-04-26 2017-04-19 株式会社日立製作所 真空バルブの真空漏れ監視装置
JP6119985B2 (ja) * 2013-07-05 2017-04-26 日新電機株式会社 真空バルブの真空度監視方法及び真空バルブの真空度監視装置
FR3023650B1 (fr) * 2014-07-10 2016-08-19 Alstom Technology Ltd Interrupteur isole par du vide autorisant un test du vide, ensemble d'interrupteur et procede de test
JP6397700B2 (ja) * 2014-09-01 2018-09-26 株式会社日立産機システム 真空バルブの圧力診断装置または真空バルブ装置
FR3059461A1 (fr) * 2016-11-28 2018-06-01 Schneider Electric Industries Sas Dispositif de detection de la perte de vide dans une ampoule a vide et appareil de coupure a vide comportant un tel dispositif
JP7175799B2 (ja) * 2019-03-04 2022-11-21 株式会社日立産機システム 真空バルブの圧力監視装置、および、圧力監視方法
KR102870990B1 (ko) * 2021-12-08 2025-10-16 최승길 진공 인터럽터의 진공 상태 모니터링 장치
KR102724579B1 (ko) * 2022-08-09 2024-11-01 한국전력공사 가스 절연 개폐기의 진공도 적합 여부 판단 장치 및 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148024A (en) * 1977-03-02 1979-04-03 Westinghouse Electric Corp. Capacitively coupled indicator for a submersible fuse
JPS57148830A (en) 1981-03-11 1982-09-14 Meidensha Electric Mfg Co Ltd Vacuum degree checker for vacuum interrupter
JPS5838424A (ja) * 1981-08-31 1983-03-05 株式会社明電舎 真空しや断器の真空度監視装置
JPS5848319A (ja) * 1981-09-16 1983-03-22 株式会社明電舎 真空しや断装置の真空度監視装置
US4547769A (en) * 1981-10-30 1985-10-15 Kabushiki Kaisha Meidensha Vacuum monitor device and method for vacuum interrupter
JPS58106431A (ja) * 1981-12-21 1983-06-24 Meidensha Electric Mfg Co Ltd 真空しや断器の真空度検査装置
JPH0765676A (ja) 1993-08-24 1995-03-10 Meidensha Corp 真空インタラプタの真空度低下検出装置
KR100370934B1 (ko) 1999-04-01 2003-02-05 미쓰비시덴키 가부시키가이샤 스위치 기어 및 전력 개폐기
JP2005108766A (ja) * 2003-10-01 2005-04-21 Nissin Electric Co Ltd ２点切り真空遮断器

Also Published As

Publication number Publication date
EP1763049B1 (en) 2016-08-24
TWI313019B (enExample) 2009-08-01
JP2007080594A (ja) 2007-03-29
CN1933078A (zh) 2007-03-21
EP1763049A1 (en) 2007-03-14
TW200717563A (en) 2007-05-01
JP4169024B2 (ja) 2008-10-22
CN1933078B (zh) 2010-09-15

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