PT85439B - Circuito para grandes transformadores de potencia - Google Patents

Circuito para grandes transformadores de potencia

Info

Publication number
PT85439B
PT85439B PT85439A PT8543987A PT85439B PT 85439 B PT85439 B PT 85439B PT 85439 A PT85439 A PT 85439A PT 8543987 A PT8543987 A PT 8543987A PT 85439 B PT85439 B PT 85439B
Authority
PT
Portugal
Prior art keywords
winding
stage
tapped
tapped winding
voltage
Prior art date
Application number
PT85439A
Other languages
English (en)
Portuguese (pt)
Other versions
PT85439A (pt
Inventor
Walter Muller
Werner Stein
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of PT85439A publication Critical patent/PT85439A/pt
Publication of PT85439B publication Critical patent/PT85439B/pt

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/343Preventing or reducing surge voltages; oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Power Conversion In General (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Keying Circuit Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Coils Of Transformers For General Uses (AREA)
PT85439A 1986-07-30 1987-07-29 Circuito para grandes transformadores de potencia PT85439B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3625845 1986-07-30

Publications (2)

Publication Number Publication Date
PT85439A PT85439A (pt) 1988-07-29
PT85439B true PT85439B (pt) 1993-09-30

Family

ID=6306352

Family Applications (1)

Application Number Title Priority Date Filing Date
PT85439A PT85439B (pt) 1986-07-30 1987-07-29 Circuito para grandes transformadores de potencia

Country Status (7)

Country Link
EP (1) EP0257291B1 (de)
AT (1) ATE61886T1 (de)
BR (1) BR8703907A (de)
DE (1) DE3768736D1 (de)
ES (1) ES2020972B3 (de)
GR (1) GR3001869T3 (de)
PT (1) PT85439B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69635782T2 (de) * 1995-06-28 2006-10-05 Eaton Power Quality Ltd. Stufentransformator mit resonanzkrei
EP0763833B2 (de) 1995-09-14 2012-12-05 Bombardier Transportation GmbH Fahrzeug-Transformator
WO1997039463A1 (fr) * 1996-04-16 1997-10-23 Gennady Alexandrovich Markov Transformateur
RU2299486C1 (ru) * 2005-12-09 2007-05-20 Савелкова Елена Валентиновна Трехфазный трансформаторный агрегат
EP2549645A1 (de) * 2011-07-21 2013-01-23 Telefonaktiebolaget LM Ericsson (publ) Transformatorfilteranordnung
CN102945735A (zh) * 2012-11-06 2013-02-27 保定天威集团有限公司 一种带调压器的预充磁变压器及其制作方法
BR102021020237A2 (pt) * 2021-10-08 2023-04-18 Reson Energy Ltda Transformador elétrico com primário ressonante e secundário indutivo e método de fabricação do mesmo

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1658664A (en) * 1927-07-06 1928-02-07 Gen Electric Variable-ratio transformer
US1809895A (en) * 1928-10-08 1931-06-16 Frazer W Gay Protective system for transformers
CH275245A (de) * 1948-11-11 1951-05-15 Ceskoslovenske Z Tezkeho Stroj Schwingungsfreier Transformator.
FR2007394A1 (de) * 1968-04-05 1970-01-09 Licentia Gmbh
US3644786A (en) * 1970-08-26 1972-02-22 Westinghouse Electric Corp Electrical windings
US3668511A (en) * 1971-02-16 1972-06-06 Mc Graw Edison Co Self energizing tap switch for electronic tap changer
DE2117422A1 (de) * 1971-04-08 1972-10-12 Schorch Gmbh Regeltransformator mit stoßspan nungsgeschutzter Stufenwicklung
DE3338149A1 (de) * 1983-10-20 1985-05-02 Transformatoren Union Ag, 7000 Stuttgart Schaltungsanordnung fuer leistungsgrosstransformatoren

Also Published As

Publication number Publication date
DE3768736D1 (de) 1991-04-25
EP0257291A1 (de) 1988-03-02
PT85439A (pt) 1988-07-29
GR3001869T3 (en) 1992-11-23
ATE61886T1 (de) 1991-04-15
BR8703907A (pt) 1988-04-05
EP0257291B1 (de) 1991-03-20
ES2020972B3 (es) 1991-10-16

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930303

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19950930