FR2746555B1 - Dispositif de protection pour transformateurs electriques - Google Patents

Dispositif de protection pour transformateurs electriques

Info

Publication number
FR2746555B1
FR2746555B1 FR9603772A FR9603772A FR2746555B1 FR 2746555 B1 FR2746555 B1 FR 2746555B1 FR 9603772 A FR9603772 A FR 9603772A FR 9603772 A FR9603772 A FR 9603772A FR 2746555 B1 FR2746555 B1 FR 2746555B1
Authority
FR
France
Prior art keywords
protection device
electric transformers
transformers
electric
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
FR9603772A
Other languages
English (en)
Other versions
FR2746555A1 (fr
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
Original Assignee
IDEF SYSTEMES
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 IDEF SYSTEMES filed Critical IDEF SYSTEMES
Priority to FR9603772A priority Critical patent/FR2746555B1/fr
Priority to ES96420246T priority patent/ES2149440T3/es
Priority to EP19960420246 priority patent/EP0756295B1/fr
Priority to PT96420246T priority patent/PT756295E/pt
Priority to DE1996609126 priority patent/DE69609126T2/de
Publication of FR2746555A1 publication Critical patent/FR2746555A1/fr
Application granted granted Critical
Publication of FR2746555B1 publication Critical patent/FR2746555B1/fr
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)
FR9603772A 1995-07-24 1996-03-20 Dispositif de protection pour transformateurs electriques Expired - Lifetime FR2746555B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9603772A FR2746555B1 (fr) 1996-03-20 1996-03-20 Dispositif de protection pour transformateurs electriques
ES96420246T ES2149440T3 (es) 1995-07-24 1996-07-22 Dispositivo de proteccion para transformadores electricos.
EP19960420246 EP0756295B1 (fr) 1995-07-24 1996-07-22 Dispositif de protection pour transformateurs électriques
PT96420246T PT756295E (pt) 1995-07-24 1996-07-22 Dispositivo de proteccao para transformadores electricos
DE1996609126 DE69609126T2 (de) 1995-07-24 1996-07-22 Schutzeinrichtung für elektrische Transformatoren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9603772A FR2746555B1 (fr) 1996-03-20 1996-03-20 Dispositif de protection pour transformateurs electriques

Publications (2)

Publication Number Publication Date
FR2746555A1 FR2746555A1 (fr) 1997-09-26
FR2746555B1 true FR2746555B1 (fr) 1998-09-18

Family

ID=9490571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9603772A Expired - Lifetime FR2746555B1 (fr) 1995-07-24 1996-03-20 Dispositif de protection pour transformateurs electriques

Country Status (1)

Country Link
FR (1) FR2746555B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936901B1 (fr) * 2008-10-08 2010-11-19 Matelec S A L Systeme de detection de defaut pour transformateur electrique polyphase et transformateur electrique comportant un tel systeme
FR3097648A1 (fr) * 2019-06-24 2020-12-25 Idef Systemes dispositif de protection et de monitorage pour transformateur electrique du type à diélectrique liquide enfermé dans une cuve hermétique
EP3758180B1 (fr) * 2019-06-24 2022-11-16 IDEF Systemes Dispositif et procédé de protection et/ou de monitorage pour transformateur électrique du type a diélectrique liquide enfermé dans une cuve hermétique

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 (de) * 1976-12-07 1978-12-11 Schrack Elektrizitaets Ag E Vorrichtung zur ueberwachung von gasansammlungen in hermetisch geschlossenen behaeltern
MX145896A (es) * 1977-11-09 1982-04-19 Fernando D Quintero Alvarez Mejoras en indicadores para mediciones de nivel llenado y vaciado de liquidos en tanques y recipientes por sensores operados por flotador magnetico
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
FR2746555A1 (fr) 1997-09-26

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