ATE91573T1 - Elektronische mehrphasentemperatursteuervorrichtung. - Google Patents
Elektronische mehrphasentemperatursteuervorrichtung.Info
- Publication number
- ATE91573T1 ATE91573T1 AT88900431T AT88900431T ATE91573T1 AT E91573 T1 ATE91573 T1 AT E91573T1 AT 88900431 T AT88900431 T AT 88900431T AT 88900431 T AT88900431 T AT 88900431T AT E91573 T1 ATE91573 T1 AT E91573T1
- Authority
- AT
- Austria
- Prior art keywords
- winding
- temperature
- transformer
- phase
- computed
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
Landscapes
- Housings And Mounting Of Transformers (AREA)
- Protection Of Transformers (AREA)
- Control Of Temperature (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/940,551 US4775245A (en) | 1986-12-12 | 1986-12-12 | Multi-phase electronic temperature controller |
EP88900431A EP0335904B1 (de) | 1986-12-12 | 1987-12-07 | Elektronische mehrphasen-temperatursteuervorrichtung |
PCT/US1987/003242 WO1988004488A1 (en) | 1986-12-12 | 1987-12-07 | Multi-phase electronic temperature controller |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE91573T1 true ATE91573T1 (de) | 1993-07-15 |
Family
ID=25475033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88900431T ATE91573T1 (de) | 1986-12-12 | 1987-12-07 | Elektronische mehrphasentemperatursteuervorrichtung. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4775245A (de) |
EP (1) | EP0335904B1 (de) |
JP (1) | JP3157820B2 (de) |
AT (1) | ATE91573T1 (de) |
CA (1) | CA1291264C (de) |
DE (1) | DE3786559T2 (de) |
MX (1) | MX165151B (de) |
WO (1) | WO1988004488A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19648332C2 (de) * | 1996-11-22 | 2000-11-23 | Messko Albert Hauser Gmbh & Co | Verfahren zur Nachbildung und Anzeige der Wicklungstemperatur eines elektrischen Leistungstransformators und Thermometer zur Durchführung des Verfahrens |
AT407206B (de) * | 1998-05-14 | 2001-01-25 | Va Tech Elin Transformatoren G | Verfahren und anordnung zur ermittlung von zustandsgrössen |
US6424266B1 (en) * | 2000-07-17 | 2002-07-23 | Nxtphase Technology Srl | Apparatus for preventing thermal damage to an electrical power transformer |
CA2313993A1 (en) | 2000-07-13 | 2002-01-13 | Mark Anthony Weekes | Apparatus for preventing thermal damage to an electrical power transformer |
CN100468905C (zh) * | 2000-12-15 | 2009-03-11 | Abb技术有限公司 | 状态诊断 |
US6962435B2 (en) * | 2000-12-15 | 2005-11-08 | Abb Technology Ltd. | Condition diagnosing |
US6714022B2 (en) * | 2001-02-20 | 2004-03-30 | Gary Hoffman | Apparatus and method for cooling power transformers |
US7508642B2 (en) * | 2005-07-14 | 2009-03-24 | Honeywell International Inc. | Method and apparatus applying virtual Δt trip criterion in power distribution |
US8360636B2 (en) * | 2009-07-02 | 2013-01-29 | Renesas Electronics America Inc. | Temperature detection and reporting system and method in power driving and/or consuming system |
CN102427218B (zh) * | 2011-10-28 | 2014-06-11 | 国家电网公司 | 基于人工智能技术的变压器短期过载能力评估系统 |
US9046423B2 (en) * | 2012-08-01 | 2015-06-02 | Qualitrol Company, Llc | Hybrid mechanical and electrical transformer monitor |
CN104697664B (zh) * | 2015-03-18 | 2017-03-15 | 深圳太辰光通信股份有限公司 | 调整变压器绕组热点温度在线监测的方法 |
CN106771092B (zh) * | 2016-12-22 | 2018-04-13 | 西南交通大学 | 一种确定不同负载系数下变压器油时间常数的方法 |
CN109029781B (zh) * | 2018-06-20 | 2020-06-02 | 国网天津市电力公司电力科学研究院 | 强迫油循环风冷层式绕组变压器的非侵入式绕组测温方法 |
CN110543197B (zh) * | 2018-12-05 | 2021-04-02 | 中车长春轨道客车股份有限公司 | 一种控制列车主变压器工作的方法及装置 |
RU2717029C1 (ru) * | 2019-07-16 | 2020-03-18 | Илья Николаевич Джус | Способ защиты трансформатора с рпн от перегрева |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA536421A (en) * | 1957-01-29 | General Electric Company | Temperature-compensating device for liquid-immersed apparatus | |
US2440930A (en) * | 1945-04-02 | 1948-05-04 | Gen Electric | Cooling system |
US2834920A (en) * | 1953-06-29 | 1958-05-13 | Gen Electric | Circuit for simulating transformer winding hot spot temperature |
US2836788A (en) * | 1954-04-19 | 1958-05-27 | Gen Electric | Induction apparatus |
US3144770A (en) * | 1961-01-30 | 1964-08-18 | Gen Electric | Means for determining an internal condition in electrical apparatus |
US3148349A (en) * | 1963-05-29 | 1964-09-08 | Westinghouse Electric Corp | Electrical temperature reproducer |
US3289478A (en) * | 1964-03-02 | 1966-12-06 | Showa Electric Wire & Cable Co | Supervisory system for temperatures of electric cables |
US3880313A (en) * | 1968-03-04 | 1975-04-29 | Edward G Akers | Safety cap and container |
US4148086A (en) * | 1977-06-07 | 1979-04-03 | Landa Mikhail L | Device for overload protection of electric apparatus |
US4258570A (en) * | 1979-01-15 | 1981-03-31 | Fritz Weiler | High voltage power transformer winding temperature control system |
DE3478642D1 (en) * | 1983-07-29 | 1989-07-13 | Mitsubishi Electric Corp | Solid state overcurrent detector |
US4745571A (en) * | 1985-08-30 | 1988-05-17 | Qualitrol Corporation | Modular electronic temperature controller |
-
1986
- 1986-12-12 US US06/940,551 patent/US4775245A/en not_active Expired - Lifetime
-
1987
- 1987-12-07 WO PCT/US1987/003242 patent/WO1988004488A1/en active IP Right Grant
- 1987-12-07 JP JP50071588A patent/JP3157820B2/ja not_active Expired - Fee Related
- 1987-12-07 AT AT88900431T patent/ATE91573T1/de not_active IP Right Cessation
- 1987-12-07 DE DE88900431T patent/DE3786559T2/de not_active Expired - Fee Related
- 1987-12-07 EP EP88900431A patent/EP0335904B1/de not_active Expired - Lifetime
- 1987-12-11 MX MX9722A patent/MX165151B/es unknown
- 1987-12-11 CA CA000554172A patent/CA1291264C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3786559T2 (de) | 1993-11-18 |
JPH02501883A (ja) | 1990-06-21 |
JP3157820B2 (ja) | 2001-04-16 |
DE3786559D1 (de) | 1993-08-19 |
EP0335904B1 (de) | 1993-07-14 |
EP0335904A1 (de) | 1989-10-11 |
MX165151B (es) | 1992-10-29 |
US4775245A (en) | 1988-10-04 |
CA1291264C (en) | 1991-10-22 |
WO1988004488A1 (en) | 1988-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |