ES516519A1 - "sistema para efectuar la proteccion contra sobretensiones y para suprimir las oscilaciones de tension en un dispositivo electromagnetico". - Google Patents
"sistema para efectuar la proteccion contra sobretensiones y para suprimir las oscilaciones de tension en un dispositivo electromagnetico".Info
- Publication number
- ES516519A1 ES516519A1 ES516519A ES516519A ES516519A1 ES 516519 A1 ES516519 A1 ES 516519A1 ES 516519 A ES516519 A ES 516519A ES 516519 A ES516519 A ES 516519A ES 516519 A1 ES516519 A1 ES 516519A1
- Authority
- ES
- Spain
- Prior art keywords
- winding
- power transformer
- grading
- transformer windings
- transient voltage
- 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
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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/343—Preventing or reducing surge voltages; oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Regulation Of General Use Transformers (AREA)
- Protection Of Transformers (AREA)
Abstract
Una cadena de múltiples elementos varistor de óxido de cinc montados en serie está concectada eléctricamente a través de cada devanado de un transformador de potencia, estando conectadas las tomas intermedias internas de los devanados eléctricamente con las uniones entre los elementos varistor. Cada cadena de elementos varistor, situada en el interior de la caja del transformador, protege su devanado asociado contra las sobretensiones de la misma manera que los para-rayos montados externamente aseguran una igualación de tensión extremadamente eficaz, y suprime las oscilaciones de tensión transitorias capaces de producir averías entre las tomas intermedias de los devanados.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31916881A | 1981-11-09 | 1981-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES516519A1 true ES516519A1 (es) | 1983-08-01 |
Family
ID=23241131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES516519A Expired ES516519A1 (es) | 1981-11-09 | 1982-10-15 | "sistema para efectuar la proteccion contra sobretensiones y para suprimir las oscilaciones de tension en un dispositivo electromagnetico". |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0078985A1 (es) |
JP (1) | JPS5895932A (es) |
ES (1) | ES516519A1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3563575D1 (en) * | 1984-05-04 | 1988-08-04 | Siemens Ag | High-tension transformer winding with regulated voltage distribution |
KR860006852A (ko) * | 1985-02-06 | 1986-09-15 | 둘루데 도날드 오 | 토로이달 트랜스포머용 과도전압 보호장치 및 방법 |
DE3533882A1 (de) * | 1985-09-23 | 1987-03-26 | Transformatoren Union Ag | Hochstromlagenwicklung fuer transformatoren und drosseln grosser leistung aus elektrisch parallel geschalteten leitern |
ES2563109T3 (es) * | 2012-12-19 | 2016-03-10 | Abb Research Ltd. | Disposición de transformador para mitigar oscilaciones transitorias de la tensión |
US9882373B2 (en) * | 2014-11-21 | 2018-01-30 | Abb Schweiz Ag | System for protection of dry type transformers |
EP3125264B1 (en) * | 2015-07-28 | 2018-02-28 | ABB Schweiz AG | Electric power distribution switchgear and method of breaking an electric power current |
EP3282458A1 (en) | 2016-08-09 | 2018-02-14 | ABB Schweiz AG | Surge arresters for power transformer |
EP3747100B1 (en) * | 2018-01-30 | 2022-03-16 | Hitachi Energy Switzerland AG | Surge arrestor dimensioning in a dc power transmission system |
DE102018213661A1 (de) * | 2018-08-14 | 2020-02-20 | Siemens Aktiengesellschaft | Wicklungsanordnung mit Feldglättung und Armierung |
CN110783081A (zh) * | 2019-11-14 | 2020-02-11 | 中车大连机车车辆有限公司 | 一种机车、牵引变压器及其过电压保护方法 |
CN112151239A (zh) * | 2020-09-29 | 2020-12-29 | 新昌灵思变压器科技有限公司 | 一种安装于电杆上的变压器保护装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1763599A1 (de) * | 1965-08-16 | 1972-01-05 | Licentia Gmbh | Axial fortschreitende Roehrenwicklung fuer Transformatoren,Drosselspulen u.dgl.fuer hohe Nennspannungen |
DE2421728A1 (de) * | 1974-05-04 | 1975-11-13 | Transformatoren Union Ag | Transformator mit einer ueberspannungsschutzeinrichtung |
NO135494C (es) * | 1975-06-06 | 1977-04-20 | Nat Ind As | |
FR2386175A1 (fr) * | 1977-04-01 | 1978-10-27 | Alsthom Cgee | Dispositif de protection des installations contre les surtensions, notamment dues a la foudre |
DE2720348A1 (de) * | 1977-05-06 | 1978-11-16 | Reinhausen Maschf Scheubeck | Stufentransformator mit stufenschaltvorrichtung und mit spannungsabhaengigen widerstaenden |
JPS5850010B2 (ja) * | 1979-04-11 | 1983-11-08 | 株式会社東芝 | 耐雷形変圧器 |
JPS5937844B2 (ja) * | 1979-12-05 | 1984-09-12 | 株式会社東芝 | 変圧器 |
-
1982
- 1982-10-15 ES ES516519A patent/ES516519A1/es not_active Expired
- 1982-10-27 EP EP82109918A patent/EP0078985A1/en not_active Withdrawn
- 1982-10-27 JP JP18764782A patent/JPS5895932A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0078985A1 (en) | 1983-05-18 |
JPS5895932A (ja) | 1983-06-07 |
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