GB2014369A - A transformer for use in a static inverter - Google Patents

A transformer for use in a static inverter

Info

Publication number
GB2014369A
GB2014369A GB7903199A GB7903199A GB2014369A GB 2014369 A GB2014369 A GB 2014369A GB 7903199 A GB7903199 A GB 7903199A GB 7903199 A GB7903199 A GB 7903199A GB 2014369 A GB2014369 A GB 2014369A
Authority
GB
United Kingdom
Prior art keywords
winding
control
branches
control winding
transformer
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.)
Withdrawn
Application number
GB7903199A
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 GB2014369A publication Critical patent/GB2014369A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/08—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)

Abstract

A transformer for use in a static inverter having semiconductor switching devices has a primary winding 16, a secondary winding 17, a feedback winding 18 and first and second control windings 19, 20, associated with a linear magnetic core 15. A pair of serially arranged apertures 27, 28 partition the core into five localized branches 30, 31, 32, 33, 34 (see Fig. 4D). The second control winding 20 is coupled via a central branch 32 lying between the apertures, to the first control winding 19. At the initial part of each switching cycle, regenerative control action is provided to the associated switching device by the first control winding. As the cycle progresses, a pair of branches saturate, these being in Fig. 4D the branches 31, 33 shown shaded, reducing the regenerative control action, and diverting the main flux through the central branch in a sense reversed to that provided by the first control winding. When the main flux is coupled to the second control winding, degenerative control action results, completing the turn off of the semiconductor device. Inverter circuits are disclosed (Figs. 1 and 5, not shown). <IMAGE>
GB7903199A 1978-02-06 1979-01-30 A transformer for use in a static inverter Withdrawn GB2014369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87533778A 1978-02-06 1978-02-06

Publications (1)

Publication Number Publication Date
GB2014369A true GB2014369A (en) 1979-08-22

Family

ID=25365621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7903199A Withdrawn GB2014369A (en) 1978-02-06 1979-01-30 A transformer for use in a static inverter

Country Status (4)

Country Link
BR (1) BR7900772A (en)
DE (1) DE2904272A1 (en)
FR (1) FR2416533A1 (en)
GB (1) GB2014369A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008100126A1 (en) * 2007-02-12 2008-08-21 Prolec Ge International, S. De R.L. De C.V. Transformer for current of controlled residual flux
WO2008100127A1 (en) * 2007-02-12 2008-08-21 Prolec Ge International, S. De R. L. De C.V. Transformer for controlled electric voltage and method for adjusting electric voltage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259716A (en) * 1978-02-06 1981-03-31 General Electric Company Transformer for use in a static inverter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB412545A (en) * 1932-09-24 1934-06-28 Ganz Fele Villamossagi Reszven Improvements relating to the voltage regulation of alternating current systems
DE708893C (en) * 1935-06-02 1941-07-31 Siemens Schuckertwerke Akt Ges Single-phase transformer
DE755656C (en) * 1935-09-06 1953-02-23 Siemens Schuckertwerke A G Control arrangement for the magnetic flux in the iron, consisting of two sub-flows, of conductors of transformers through which alternating current flows
DE914647C (en) * 1943-06-23 1954-07-05 Siemens Ag Controllable magnetic circuit
DE901660C (en) * 1948-08-04 1954-01-14 Asea Ab Transductor, especially for power networks
NL236593A (en) * 1958-02-28
GB1199409A (en) * 1966-10-12 1970-07-22 Ass Elect Ind A Pulse Generating Circuit Arangement.
US3648117A (en) * 1970-03-05 1972-03-07 Omron Tatusi Electronics Co Magnetic device
US4002999A (en) * 1975-11-03 1977-01-11 General Electric Company Static inverter with controlled core saturation
US4020440A (en) * 1975-11-25 1977-04-26 Moerman Nathan A Conversion and control of electrical energy by electromagnetic induction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008100126A1 (en) * 2007-02-12 2008-08-21 Prolec Ge International, S. De R.L. De C.V. Transformer for current of controlled residual flux
WO2008100127A1 (en) * 2007-02-12 2008-08-21 Prolec Ge International, S. De R. L. De C.V. Transformer for controlled electric voltage and method for adjusting electric voltage

Also Published As

Publication number Publication date
DE2904272A1 (en) 1979-08-09
BR7900772A (en) 1979-08-28
FR2416533A1 (en) 1979-08-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)