DE69609126T2 - Protection device for electrical transformers - Google Patents

Protection device for electrical transformers

Info

Publication number
DE69609126T2
DE69609126T2 DE1996609126 DE69609126T DE69609126T2 DE 69609126 T2 DE69609126 T2 DE 69609126T2 DE 1996609126 DE1996609126 DE 1996609126 DE 69609126 T DE69609126 T DE 69609126T DE 69609126 T2 DE69609126 T2 DE 69609126T2
Authority
DE
Germany
Prior art keywords
protection device
electrical transformers
transformers
electrical
protection
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.)
Expired - Lifetime
Application number
DE1996609126
Other languages
German (de)
Other versions
DE69609126D1 (en
Inventor
Christian Rebelle
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.)
IDEF SYSTEMES SEYNOD
Original Assignee
IDEF SYSTEMES SEYNOD
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
Priority claimed from FR9509191A external-priority patent/FR2737357B1/en
Priority claimed from FR9603772A external-priority patent/FR2746555B1/en
Application filed by IDEF SYSTEMES SEYNOD filed Critical IDEF SYSTEMES SEYNOD
Application granted granted Critical
Publication of DE69609126D1 publication Critical patent/DE69609126D1/en
Publication of DE69609126T2 publication Critical patent/DE69609126T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01F2027/406—Temperature sensor or protection
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Level Indicators Using A Float (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Housings And Mounting Of Transformers (AREA)
DE1996609126 1995-07-24 1996-07-22 Protection device for electrical transformers Expired - Lifetime DE69609126T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509191A FR2737357B1 (en) 1995-07-24 1995-07-24 PROTECTION DEVICE FOR ELECTRIC TRANSFORMERS
FR9603772A FR2746555B1 (en) 1996-03-20 1996-03-20 PROTECTION DEVICE FOR ELECTRIC TRANSFORMERS

Publications (2)

Publication Number Publication Date
DE69609126D1 DE69609126D1 (en) 2000-08-10
DE69609126T2 true DE69609126T2 (en) 2001-03-15

Family

ID=26232126

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996609126 Expired - Lifetime DE69609126T2 (en) 1995-07-24 1996-07-22 Protection device for electrical transformers

Country Status (4)

Country Link
EP (1) EP0756295B1 (en)
DE (1) DE69609126T2 (en)
ES (1) ES2149440T3 (en)
PT (1) PT756295E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102044377B (en) * 2011-01-17 2013-02-20 美的集团股份有限公司 Buoy switch device with water level detection
CN104134576A (en) * 2014-07-16 2014-11-05 国家电网公司 Three-pin reed switch type double-circuit trip node gas relay
CN110931202A (en) * 2019-11-08 2020-03-27 保定保菱变压器有限公司 SF (sulfur hexafluoride)6Thermometer capillary tube mounting structure for gas insulated transformer
CN110926537A (en) * 2019-12-08 2020-03-27 山东电工电气集团智能电气有限公司 Multifunctional oil-immersed transformer measuring device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678232A (en) * 1970-01-10 1972-07-18 Girling Ltd Liquid reservoirs
AT346966B (en) * 1976-12-07 1978-12-11 Schrack Elektrizitaets Ag E DEVICE FOR MONITORING GAS COLLECTIONS IN HERMETICALLY CLOSED CONTAINERS
MX145896A (en) * 1977-11-09 1982-04-19 Fernando D Quintero Alvarez IMPROVEMENTS IN INDICATORS FOR LEVEL MEASUREMENTS FILLING AND EMPTYING OF LIQUIDS IN TANKS AND CONTAINERS BY SENSORS OPERATED BY MAGNETIC FLOAT
US4192174A (en) * 1977-10-06 1980-03-11 Automation 2000 S.A. Transformer protective device
US4631375A (en) * 1984-12-05 1986-12-23 Mccann's Engineering & Manufacturing Company Delayed action liquid level sensing apparatus
US4981039A (en) * 1988-07-07 1991-01-01 Toyoda Gosei Co., Ltd. Liquid level gauge

Also Published As

Publication number Publication date
DE69609126D1 (en) 2000-08-10
EP0756295A1 (en) 1997-01-29
ES2149440T3 (en) 2000-11-01
EP0756295B1 (en) 2000-07-05
PT756295E (en) 2000-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition