ES475826A1 - Mejoras en conjuntos protectores electrostaticos para trans-formadores electricos. - Google Patents

Mejoras en conjuntos protectores electrostaticos para trans-formadores electricos.

Info

Publication number
ES475826A1
ES475826A1 ES475826A ES475826A ES475826A1 ES 475826 A1 ES475826 A1 ES 475826A1 ES 475826 A ES475826 A ES 475826A ES 475826 A ES475826 A ES 475826A ES 475826 A1 ES475826 A1 ES 475826A1
Authority
ES
Spain
Prior art keywords
power transformer
transient voltage
voltage distribution
layer wound
line shield
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
ES475826A
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 ES475826A1 publication Critical patent/ES475826A1/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
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

Mejoras en conjuntos protectores electrostáticos para los transformadores eléctricos, del tipo que incluye una cantidad de arrollamientos de transformador, dispuestos alrededor de un núcleo electromagnético, un blindaje protector electrostático cilíndrico teniendo en la distancia de separación de los arrollamientos y procurando acoplamiento capacitivo entre los arrollamientos y blindajes terminales electrostáticos adyacentes a ambos extremos del blindaje cilíndrico.
ES475826A 1977-12-16 1978-12-07 Mejoras en conjuntos protectores electrostaticos para trans-formadores electricos. Expired ES475826A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/861,460 US4153891A (en) 1977-12-16 1977-12-16 Transient voltage distribution improving line shield for layer wound power transformer

Publications (1)

Publication Number Publication Date
ES475826A1 true ES475826A1 (es) 1979-04-16

Family

ID=25335858

Family Applications (1)

Application Number Title Priority Date Filing Date
ES475826A Expired ES475826A1 (es) 1977-12-16 1978-12-07 Mejoras en conjuntos protectores electrostaticos para trans-formadores electricos.

Country Status (3)

Country Link
US (1) US4153891A (es)
CA (1) CA1104671A (es)
ES (1) ES475826A1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780818U (es) * 1980-11-05 1982-05-19
US4914413A (en) * 1989-08-24 1990-04-03 Magnetek, Inc. Transformer with layer-wound and random wound windings
WO1998043259A1 (en) * 1997-03-26 1998-10-01 Abb Ab An arrangement at a conductor on high voltage potential
US6188298B1 (en) 1998-12-30 2001-02-13 Square D Company Winding transient suppression technique
US6177848B1 (en) 1998-12-30 2001-01-23 Square D Company High frequency snubber for transformers
JP3646595B2 (ja) * 1999-12-03 2005-05-11 株式会社日立製作所 静止誘導電器
USRE48775E1 (en) 2010-07-20 2021-10-12 Techhold, Llc Self-testing features of sensing and control electronics for a power grid protection system
US8537508B2 (en) * 2010-07-20 2013-09-17 Emprimus, Llc Sensing and control electronics for a power grid protection system
US8878396B2 (en) 2010-07-20 2014-11-04 Emprimus, Llc Continuous uninterruptable AC grounding system for power system protection
US9077172B2 (en) 2012-05-21 2015-07-07 Emprimus, Llc Self-testing features of sensing and control electronics for a power grid protection system
US9564753B2 (en) 2012-05-21 2017-02-07 Emprimus, Llc Transformer protection circuit and method
KR102599752B1 (ko) 2015-01-06 2023-11-08 엠프리머스, 엘엘씨 변압기 중립 차단 시스템을 작동시키는 시스템 및 방법
CN105609300B (zh) * 2016-02-18 2017-06-16 浙江大学 一种反激式开关电源的变压器屏蔽层设计方法
US10985559B2 (en) 2017-02-03 2021-04-20 Techhold Llc Method and system for improved operation of power grid components in the presence of direct current (DC)
US11451047B2 (en) 2017-03-30 2022-09-20 Techhold, Llc Protection of electrical devices based on electromagnetic pulse signal
CN110211799B (zh) * 2019-06-06 2020-04-14 浙江大学 反激电源变压器屏蔽绕组匝数设计方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829354A (en) * 1954-04-29 1958-04-01 Allis Chalmers Mfg Co Coil with end turn having increased insulation
US3106690A (en) * 1958-12-10 1963-10-08 Wagner Electric Corp Electrical induction apparatus
US3353129A (en) * 1965-10-24 1967-11-14 Gen Electric High voltage electric induction apparatus
US3675175A (en) * 1971-05-10 1972-07-04 Gen Electric High voltage coil assembly for electric induction apparatus
US3845436A (en) * 1973-12-19 1974-10-29 Westinghouse Electric Corp Power transformer having shields for shaping the electric field in the major insulation spaces

Also Published As

Publication number Publication date
US4153891A (en) 1979-05-08
CA1104671A (en) 1981-07-07

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001