HK1192966A1 - Buchholz relay - Google Patents
Buchholz relayInfo
- Publication number
- HK1192966A1 HK1192966A1 HK14105792.3A HK14105792A HK1192966A1 HK 1192966 A1 HK1192966 A1 HK 1192966A1 HK 14105792 A HK14105792 A HK 14105792A HK 1192966 A1 HK1192966 A1 HK 1192966A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- buchholz relay
- buchholz
- relay
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Fluid-Damping Devices (AREA)
- Measuring Volume Flow (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011105397 | 2011-06-22 | ||
PCT/EP2012/058875 WO2012175252A1 (en) | 2011-06-22 | 2012-05-14 | Buchholz relay |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1192966A1 true HK1192966A1 (en) | 2014-09-05 |
Family
ID=46085042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK14105792.3A HK1192966A1 (en) | 2011-06-22 | 2014-06-18 | Buchholz relay |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2724357B1 (en) |
CN (1) | CN103620719B (en) |
ES (1) | ES2577151T3 (en) |
HK (1) | HK1192966A1 (en) |
PT (1) | PT2724357T (en) |
WO (1) | WO2012175252A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105826128B (en) * | 2015-01-07 | 2018-06-19 | 国家电网公司 | Multi-functional double float gas relays |
DE102017101242A1 (en) * | 2017-01-24 | 2018-07-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling circuit for battery with Buchholz relay |
CN107564765B (en) * | 2017-08-25 | 2018-12-28 | 中国电子科技集团公司第四十九研究所 | A kind of floating-ball level switch resilient contact |
EP3544040B1 (en) * | 2018-03-20 | 2021-03-03 | ABB Power Grids Switzerland AG | A protection relay for hermetically sealed distribution transformers |
CN111261456A (en) * | 2020-04-08 | 2020-06-09 | 邵星源 | Gas relay |
CN111883385B (en) * | 2020-08-12 | 2022-09-02 | 郑州赛奥电子股份有限公司 | Gas relay with independent heavy gas and oil loss functions |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE746146C (en) | 1939-01-12 | 1944-06-13 | Aeg | Device for determining the cause of failure in oil transformers |
DE2049972C3 (en) * | 1970-10-12 | 1973-09-13 | Transformatoren Union Ag, 7000 Stuttgart | Protection device for liquid-cooled transformers and chokes |
DD207645A3 (en) * | 1982-02-04 | 1984-03-07 | Dietrich Kroll | STORAGE FLAP FOR PROTECTIVE EQUIPMENT |
ITPD980061A1 (en) * | 1998-03-24 | 1999-09-24 | Comem Spa | BUCHHOLZ TYPE IMPROVED GAS STORAGE RELAY |
ITVI20070223A1 (en) * | 2007-08-07 | 2009-02-08 | Comem Spa | BUCHHOLZ RELAY FOR THE PROTECTION OF ELECTRIC POWER EQUIPMENT INSULATED IN OIL. |
-
2012
- 2012-05-14 ES ES12720874.2T patent/ES2577151T3/en active Active
- 2012-05-14 EP EP12720874.2A patent/EP2724357B1/en active Active
- 2012-05-14 WO PCT/EP2012/058875 patent/WO2012175252A1/en active Application Filing
- 2012-05-14 CN CN201280030332.3A patent/CN103620719B/en active Active
- 2012-05-14 PT PT127208742T patent/PT2724357T/en unknown
-
2014
- 2014-06-18 HK HK14105792.3A patent/HK1192966A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2577151T3 (en) | 2016-07-13 |
EP2724357B1 (en) | 2016-03-16 |
CN103620719A (en) | 2014-03-05 |
CN103620719B (en) | 2016-07-13 |
EP2724357A1 (en) | 2014-04-30 |
WO2012175252A1 (en) | 2012-12-27 |
PT2724357T (en) | 2016-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20210518 |