EP0945951A3 - Verbessertes Gasspeicherbuchholzrelais - Google Patents

Verbessertes Gasspeicherbuchholzrelais Download PDF

Info

Publication number
EP0945951A3
EP0945951A3 EP99104056A EP99104056A EP0945951A3 EP 0945951 A3 EP0945951 A3 EP 0945951A3 EP 99104056 A EP99104056 A EP 99104056A EP 99104056 A EP99104056 A EP 99104056A EP 0945951 A3 EP0945951 A3 EP 0945951A3
Authority
EP
European Patent Office
Prior art keywords
accumulation
float
buchholz relay
improved gas
relay
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP99104056A
Other languages
English (en)
French (fr)
Other versions
EP0945951B1 (de
EP0945951A2 (de
Inventor
Silvio Dal Lago
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comem SpA
Original Assignee
Comem SpA
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 Comem SpA filed Critical Comem SpA
Publication of EP0945951A2 publication Critical patent/EP0945951A2/de
Publication of EP0945951A3 publication Critical patent/EP0945951A3/de
Application granted granted Critical
Publication of EP0945951B1 publication Critical patent/EP0945951B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Level Indicators Using A Float (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Organic Insulating Materials (AREA)
EP99104056A 1998-03-24 1999-03-17 Verbessertes Gasspeicherbuchholzrelais Expired - Lifetime EP0945951B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPD980061 1998-03-24
IT98PD000061A ITPD980061A1 (it) 1998-03-24 1998-03-24 Rele' perfezionato ad accumulo di gas tipo buchholz

Publications (3)

Publication Number Publication Date
EP0945951A2 EP0945951A2 (de) 1999-09-29
EP0945951A3 true EP0945951A3 (de) 2000-06-07
EP0945951B1 EP0945951B1 (de) 2008-06-25

Family

ID=11392112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104056A Expired - Lifetime EP0945951B1 (de) 1998-03-24 1999-03-17 Verbessertes Gasspeicherbuchholzrelais

Country Status (5)

Country Link
EP (1) EP0945951B1 (de)
AT (1) ATE399385T1 (de)
DE (1) DE69938948D1 (de)
ES (1) ES2310021T3 (de)
IT (1) ITPD980061A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2577151T3 (es) * 2011-06-22 2016-07-13 Maschinenfabrik Reinhausen Gmbh Relé Buchholz
ES2560814T3 (es) * 2012-07-20 2016-02-22 Abb Technology Ag Dispositivo de seguridad para un transformador de energía, y transformador de energía relacionado que usa dicho dispositivo de seguridad
CN103681099B (zh) * 2013-12-11 2015-10-14 国家电网公司 一种带远程控制的瓦斯继电器
CN105826128B (zh) * 2015-01-07 2018-06-19 国家电网公司 多功能双浮子气体继电器
CN111161977A (zh) * 2020-01-23 2020-05-15 广东电网有限责任公司 一种多浮筒式瓦斯继电装置
CN112038172B (zh) * 2020-07-15 2023-03-10 国网山东省电力公司青岛供电公司 一种瓦斯继电器自动排气装置、排气方法及瓦斯继电器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1012247A (fr) * 1949-07-15 1952-07-07 Trist & Co Ltd Ronald Perfectionnements aux dispositifs magnétiques commandés par flotteur
BE678625A (de) * 1965-03-30 1966-09-01
US5426271A (en) * 1994-01-18 1995-06-20 Honeywell Inc. Liquid level sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1012247A (fr) * 1949-07-15 1952-07-07 Trist & Co Ltd Ronald Perfectionnements aux dispositifs magnétiques commandés par flotteur
BE678625A (de) * 1965-03-30 1966-09-01
US5426271A (en) * 1994-01-18 1995-06-20 Honeywell Inc. Liquid level sensor

Also Published As

Publication number Publication date
DE69938948D1 (de) 2008-08-07
ES2310021T3 (es) 2008-12-16
ATE399385T1 (de) 2008-07-15
EP0945951B1 (de) 2008-06-25
ITPD980061A1 (it) 1999-09-24
EP0945951A2 (de) 1999-09-29

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