FR2746555B1 - Dispositif de protection pour transformateurs electriques - Google Patents
Dispositif de protection pour transformateurs electriquesInfo
- 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
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)
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)
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)
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 |
-
1996
- 1996-03-20 FR FR9603772A patent/FR2746555B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2746555A1 (fr) | 1997-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
PLFP | Fee payment |
Year of fee payment: 20 |