DE69609126D1 - Protection device for electrical transformers - Google Patents
Protection device for electrical transformersInfo
- Publication number
- DE69609126D1 DE69609126D1 DE69609126T DE69609126T DE69609126D1 DE 69609126 D1 DE69609126 D1 DE 69609126D1 DE 69609126 T DE69609126 T DE 69609126T DE 69609126 T DE69609126 T DE 69609126T DE 69609126 D1 DE69609126 D1 DE 69609126D1
- 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
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)
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 true DE69609126D1 (en) | 2000-08-10 |
DE69609126T2 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)
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)
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 |
-
1996
- 1996-07-22 EP EP19960420246 patent/EP0756295B1/en not_active Expired - Lifetime
- 1996-07-22 PT PT96420246T patent/PT756295E/en unknown
- 1996-07-22 ES ES96420246T patent/ES2149440T3/en not_active Expired - Lifetime
- 1996-07-22 DE DE1996609126 patent/DE69609126T2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT756295E (en) | 2000-11-30 |
EP0756295A1 (en) | 1997-01-29 |
ES2149440T3 (en) | 2000-11-01 |
EP0756295B1 (en) | 2000-07-05 |
DE69609126T2 (en) | 2001-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |