SE9603754D0 - Adjustable three-phase transformer - Google Patents

Adjustable three-phase transformer

Info

Publication number
SE9603754D0
SE9603754D0 SE9603754A SE9603754A SE9603754D0 SE 9603754 D0 SE9603754 D0 SE 9603754D0 SE 9603754 A SE9603754 A SE 9603754A SE 9603754 A SE9603754 A SE 9603754A SE 9603754 D0 SE9603754 D0 SE 9603754D0
Authority
SE
Sweden
Prior art keywords
transformer
adjustable
phase transformer
phase
controllable
Prior art date
Application number
SE9603754A
Other languages
Swedish (sv)
Other versions
SE9603754L (en
Inventor
Aake Ekstroem
Original Assignee
Abb Power Systems Ab
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 Abb Power Systems Ab filed Critical Abb Power Systems Ab
Priority to SE9603754A priority Critical patent/SE9603754L/en
Publication of SE9603754D0 publication Critical patent/SE9603754D0/en
Priority to PCT/SE1997/001705 priority patent/WO1998016992A1/en
Publication of SE9603754L publication Critical patent/SE9603754L/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/12—Two-phase, three-phase or polyphase transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/4505—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only having a rectifier with controlled elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ac-Ac Conversion (AREA)

Abstract

An adjustable three-phase transformer is disclosed. On the secondary side of the transformer, a controllable power electronic circuit (1) is inserted between a set of main windings (21, 22, 23) and auxiliary windings (31, 32, 33). The circuit comprises two oppositely coupled AC/DC converters (2, 3) each having three parallel branches with commutating semiconductor devices (T1, T2, T3). The latter are controllable so as to enable adjustment of the voltage amplitude and phase at the output terminals (a, b, c) of the transformer.
SE9603754A 1996-10-14 1996-10-14 Adjustable transformer SE9603754L (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9603754A SE9603754L (en) 1996-10-14 1996-10-14 Adjustable transformer
PCT/SE1997/001705 WO1998016992A1 (en) 1996-10-14 1997-10-10 Adjustable three-phase transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9603754A SE9603754L (en) 1996-10-14 1996-10-14 Adjustable transformer

Publications (2)

Publication Number Publication Date
SE9603754D0 true SE9603754D0 (en) 1996-10-14
SE9603754L SE9603754L (en) 1998-04-15

Family

ID=20404241

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9603754A SE9603754L (en) 1996-10-14 1996-10-14 Adjustable transformer

Country Status (2)

Country Link
SE (1) SE9603754L (en)
WO (1) WO1998016992A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344185A1 (en) * 1976-03-09 1977-10-07 Le P Experimen DEVICE FOR THE CONTACTLESS SWITCHING OF THE TAPS OF A TRANSFORMER ON LOAD
DE2943324C2 (en) * 1979-10-26 1985-09-05 Schaltbau GmbH, 8000 München Multi-phase controllable AC power controller circuit
JP2507387B2 (en) * 1987-02-13 1996-06-12 株式会社東芝 Power converter

Also Published As

Publication number Publication date
SE9603754L (en) 1998-04-15
WO1998016992A1 (en) 1998-04-23

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