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
Application number
ES516519A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of ES516519A1 publication Critical patent/ES516519A1/es
Expired legal-status Critical Current

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.
ES516519A 1981-11-09 1982-10-15 "sistema para efectuar la proteccion contra sobretensiones y para suprimir las oscilaciones de tension en un dispositivo electromagnetico". Expired ES516519A1 (es)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163907B1 (de) * 1984-05-04 1988-06-29 Siemens Aktiengesellschaft Hochspannungswicklung mit gesteuerter Spannungsverteilung für Transformatoren
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
EP2747098B1 (en) * 2012-12-19 2015-12-16 ABB Research Ltd. Transformer arrangement for mitigating transient voltage oscillations
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
US11355925B2 (en) * 2018-01-30 2022-06-07 Hitachi Energy Switzerland Ag System design solution for DC grid cost reduction and risk minimization
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0078985A1 (en) 1983-05-18
JPS5895932A (ja) 1983-06-07

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