HK1192966A1 - Buchholz relay - Google Patents

Buchholz relay

Info

Publication number
HK1192966A1
HK1192966A1 HK14105792.3A HK14105792A HK1192966A1 HK 1192966 A1 HK1192966 A1 HK 1192966A1 HK 14105792 A HK14105792 A HK 14105792A HK 1192966 A1 HK1192966 A1 HK 1192966A1
Authority
HK
Hong Kong
Prior art keywords
buchholz relay
buchholz
relay
Prior art date
Application number
HK14105792.3A
Other languages
Chinese (zh)
Inventor
Kai Hmel
Ullrich Rehnelt
Karsten Viereck
Original Assignee
Reinhausen Maschf Scheubeck
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 Reinhausen Maschf Scheubeck filed Critical Reinhausen Maschf Scheubeck
Publication of HK1192966A1 publication Critical patent/HK1192966A1/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
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
HK14105792.3A 2011-06-22 2014-06-18 Buchholz relay HK1192966A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011105397 2011-06-22
PCT/EP2012/058875 WO2012175252A1 (en) 2011-06-22 2012-05-14 Buchholz relay

Publications (1)

Publication Number Publication Date
HK1192966A1 true HK1192966A1 (en) 2014-09-05

Family

ID=46085042

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14105792.3A HK1192966A1 (en) 2011-06-22 2014-06-18 Buchholz relay

Country Status (6)

Country Link
EP (1) EP2724357B1 (en)
CN (1) CN103620719B (en)
ES (1) ES2577151T3 (en)
HK (1) HK1192966A1 (en)
PT (1) PT2724357T (en)
WO (1) WO2012175252A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105826128B (en) * 2015-01-07 2018-06-19 国家电网公司 Multi-functional double float gas relays
DE102017101242A1 (en) * 2017-01-24 2018-07-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Cooling circuit for battery with Buchholz relay
CN107564765B (en) * 2017-08-25 2018-12-28 中国电子科技集团公司第四十九研究所 A kind of floating-ball level switch resilient contact
EP3544040B1 (en) * 2018-03-20 2021-03-03 ABB Power Grids Switzerland AG A protection relay for hermetically sealed distribution transformers
CN111261456A (en) * 2020-04-08 2020-06-09 邵星源 Gas relay
CN111883385B (en) * 2020-08-12 2022-09-02 郑州赛奥电子股份有限公司 Gas relay with independent heavy gas and oil loss functions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746146C (en) 1939-01-12 1944-06-13 Aeg Device for determining the cause of failure in oil transformers
DE2049972C3 (en) 1970-10-12 1973-09-13 Transformatoren Union Ag, 7000 Stuttgart Protection device for liquid-cooled transformers and chokes
DD207645A3 (en) * 1982-02-04 1984-03-07 Dietrich Kroll STORAGE FLAP FOR PROTECTIVE EQUIPMENT
ITPD980061A1 (en) * 1998-03-24 1999-09-24 Comem Spa BUCHHOLZ TYPE IMPROVED GAS STORAGE RELAY
ITVI20070223A1 (en) * 2007-08-07 2009-02-08 Comem Spa BUCHHOLZ RELAY FOR THE PROTECTION OF ELECTRIC POWER EQUIPMENT INSULATED IN OIL.

Also Published As

Publication number Publication date
EP2724357A1 (en) 2014-04-30
EP2724357B1 (en) 2016-03-16
PT2724357T (en) 2016-07-07
WO2012175252A1 (en) 2012-12-27
CN103620719A (en) 2014-03-05
CN103620719B (en) 2016-07-13
ES2577151T3 (en) 2016-07-13

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210518