FR2674674B1 - Transformateur homopolaire a circuit magnetique insensible a des contraintes mecaniques, et procede de fabrication. - Google Patents
Transformateur homopolaire a circuit magnetique insensible a des contraintes mecaniques, et procede de fabrication.Info
- Publication number
- FR2674674B1 FR2674674B1 FR9103831A FR9103831A FR2674674B1 FR 2674674 B1 FR2674674 B1 FR 2674674B1 FR 9103831 A FR9103831 A FR 9103831A FR 9103831 A FR9103831 A FR 9103831A FR 2674674 B1 FR2674674 B1 FR 2674674B1
- Authority
- FR
- France
- Prior art keywords
- manufacturing
- magnetic circuit
- mechanical constraints
- circuit insensitive
- homopolar
- 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 - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
- H01F2038/305—Constructions with toroidal magnetic core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Coils Or Transformers For Communication (AREA)
- Transformers For Measuring Instruments (AREA)
- Emergency Protection Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9103831A FR2674674B1 (fr) | 1991-03-27 | 1991-03-27 | Transformateur homopolaire a circuit magnetique insensible a des contraintes mecaniques, et procede de fabrication. |
ES92420074T ES2079164T3 (es) | 1991-03-27 | 1992-03-13 | Transformador homopolar con circuito magnetico insensible a tensiones mecanicas, y procedimiento de fabricacion. |
EP92420074A EP0509936B1 (fr) | 1991-03-27 | 1992-03-13 | Transformateur homopolaire à circuit magnétique insensible à des contraintes mécaniques, et procédé de fabrication |
DE1992604346 DE69204346T2 (de) | 1991-03-27 | 1992-03-13 | Homopolarer Transformator mit gegen mechanischen Beanspruchungen unempfindlichem magnetischem Kreis, und Herstellungsverfahren. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9103831A FR2674674B1 (fr) | 1991-03-27 | 1991-03-27 | Transformateur homopolaire a circuit magnetique insensible a des contraintes mecaniques, et procede de fabrication. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2674674A1 FR2674674A1 (fr) | 1992-10-02 |
FR2674674B1 true FR2674674B1 (fr) | 1993-10-22 |
Family
ID=9411259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9103831A Expired - Fee Related FR2674674B1 (fr) | 1991-03-27 | 1991-03-27 | Transformateur homopolaire a circuit magnetique insensible a des contraintes mecaniques, et procede de fabrication. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0509936B1 (fr) |
DE (1) | DE69204346T2 (fr) |
ES (1) | ES2079164T3 (fr) |
FR (1) | FR2674674B1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9312004U1 (de) * | 1993-08-11 | 1993-11-25 | Siemens Matsushita Components GmbH & Co. KG, 81541 München | Elektrisches Bauelement in Chip-Bauweise |
JPH09246034A (ja) * | 1996-03-07 | 1997-09-19 | Alps Electric Co Ltd | パルストランス磁心 |
ES2179407T3 (es) * | 1997-09-29 | 2003-01-16 | Epcos Ag | Componente inductivo y procedimiento para su fabricacion. |
DE29806050U1 (de) | 1998-04-02 | 1998-08-13 | Abb Patent Gmbh, 68309 Mannheim | Aufnahmetopf für einen Ringkernwandler, vorzugsweise für einen Fehlerstromschutzschalter |
DE10134056B8 (de) | 2001-07-13 | 2014-05-28 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Herstellung von nanokristallinen Magnetkernen sowie Vorrichtung zur Durchführung des Verfahrens |
DE102007034532A1 (de) | 2007-07-24 | 2009-02-05 | Vacuumschmelze Gmbh & Co. Kg | Magnetkern, Verfahren zu seiner Herstellung sowie Fehlerstromschutzschalter |
KR101228497B1 (ko) * | 2011-11-25 | 2013-01-31 | 주식회사 이랜텍 | 결합 강도가 개선된 트랜스포머 |
DE102012201002B4 (de) | 2012-01-24 | 2022-10-06 | Siemens Aktiengesellschaft | Summenstromwandlergehäuse, Summenstromwandler und Fehlerstromschutzschalter |
KR101966749B1 (ko) * | 2015-12-11 | 2019-04-08 | 주식회사 아모그린텍 | 자기차폐형 변류기 |
CN105976992A (zh) * | 2016-07-05 | 2016-09-28 | 佛山诺亚电器有限公司 | 高过载内保护配电变压器 |
DE102018106449A1 (de) * | 2018-03-20 | 2019-09-26 | Vacuumschmelze Gmbh & Co. Kg | Magnetische Baugruppe |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2523766A1 (fr) * | 1982-03-22 | 1983-09-23 | Merlin Gerin | Dispositif de protection differentielle pour la detection d'un courant residuel alternatif et/ou continu sur deux voies distinctes |
NL8401185A (nl) * | 1984-04-13 | 1985-11-01 | Philips Nv | Transformator met coaxiale spoelkokers. |
JPH0239403A (ja) * | 1988-07-28 | 1990-02-08 | Nagano Japan Radio Co | 磁心の固定方法 |
JPH0266908A (ja) * | 1988-08-31 | 1990-03-07 | Nippon Ferrite Ltd | 磁心 |
JPH0654738B2 (ja) * | 1989-06-16 | 1994-07-20 | 日立フェライト株式会社 | 磁 心 |
-
1991
- 1991-03-27 FR FR9103831A patent/FR2674674B1/fr not_active Expired - Fee Related
-
1992
- 1992-03-13 DE DE1992604346 patent/DE69204346T2/de not_active Expired - Fee Related
- 1992-03-13 ES ES92420074T patent/ES2079164T3/es not_active Expired - Lifetime
- 1992-03-13 EP EP92420074A patent/EP0509936B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69204346T2 (de) | 1996-04-18 |
EP0509936B1 (fr) | 1995-08-30 |
EP0509936A2 (fr) | 1992-10-21 |
EP0509936A3 (en) | 1993-05-19 |
DE69204346D1 (de) | 1995-10-05 |
ES2079164T3 (es) | 1996-01-01 |
FR2674674A1 (fr) | 1992-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
CJ | Change in legal form | ||
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20091130 |