WO2006068495A3 - Device for reducing harmonics - Google Patents

Device for reducing harmonics Download PDF

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Publication number
WO2006068495A3
WO2006068495A3 PCT/NO2005/000468 NO2005000468W WO2006068495A3 WO 2006068495 A3 WO2006068495 A3 WO 2006068495A3 NO 2005000468 W NO2005000468 W NO 2005000468W WO 2006068495 A3 WO2006068495 A3 WO 2006068495A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic core
reducing harmonics
winding
autotransformer
phase
Prior art date
Application number
PCT/NO2005/000468
Other languages
French (fr)
Other versions
WO2006068495A2 (en
Inventor
Bjoernar Skaar Johansen
Christian Magnus Hartmann
Original Assignee
Magtech As
Bjoernar Skaar Johansen
Christian Magnus Hartmann
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 Magtech As, Bjoernar Skaar Johansen, Christian Magnus Hartmann filed Critical Magtech As
Publication of WO2006068495A2 publication Critical patent/WO2006068495A2/en
Publication of WO2006068495A3 publication Critical patent/WO2006068495A3/en

Links

Classifications

    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • 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
    • H01F27/38—Auxiliary core members; Auxiliary coils or windings
    • H01F27/385—Auxiliary core members; Auxiliary coils or windings for reducing harmonics

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ac-Ac Conversion (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Power Conversion In General (AREA)

Abstract

Device for reducing harmonics in a three phased voltage supply with voltage stabilisation in the form of, for each phase, an autotransformer (T1, T2, T3) with a first magnetic core (1, 2, 3), a series winding (Ns1, Ns2, Ns3) and a parallel winding (Npl, Np2, Np3), and a circuit element with a non-linear current/voltage characteristic causing a harmonic component of the magnetic flux in said magnetic core, said device comprising : one third winding (Nd1, Nd2, Nd3) for each phase, wound around said first magnetic core of the autotransformer, wherein said third windings are connected to each other in a delta configuration. The invention comprises also a device, a method and a control system for reducing harmonics.
PCT/NO2005/000468 2004-12-23 2005-12-20 Device for reducing harmonics WO2006068495A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20045614A NO322285B1 (en) 2004-12-23 2004-12-23 booster
NO20045614 2004-12-23

Publications (2)

Publication Number Publication Date
WO2006068495A2 WO2006068495A2 (en) 2006-06-29
WO2006068495A3 true WO2006068495A3 (en) 2007-04-19

Family

ID=35238028

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2005/000468 WO2006068495A2 (en) 2004-12-23 2005-12-20 Device for reducing harmonics

Country Status (2)

Country Link
NO (1) NO322285B1 (en)
WO (1) WO2006068495A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100570982C (en) * 2006-09-01 2009-12-16 戴如宏 High voltage electric-saver
WO2009123469A1 (en) * 2008-03-31 2009-10-08 Magtech As Buck boost topology
GB2480708B (en) 2010-09-01 2013-07-10 Emsc Uk Ltd Improved apparatus & method in relation to voltage optimization
ES2698397T3 (en) 2011-02-01 2019-02-04 Siemens Ag Active de-synchronization of switching converters

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB526014A (en) * 1938-03-05 1940-09-09 British Thomson Houston Co Ltd Improvements in and relating to electric chokes
US20020105816A1 (en) * 2000-10-20 2002-08-08 Delta Transformers Of Canada (1999) Ltd. Power center unit for electronic equipment
WO2004053615A1 (en) * 2002-12-12 2004-06-24 Magtech As System for voltage stabilization of power supply lines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB526014A (en) * 1938-03-05 1940-09-09 British Thomson Houston Co Ltd Improvements in and relating to electric chokes
US20020105816A1 (en) * 2000-10-20 2002-08-08 Delta Transformers Of Canada (1999) Ltd. Power center unit for electronic equipment
WO2004053615A1 (en) * 2002-12-12 2004-06-24 Magtech As System for voltage stabilization of power supply lines

Also Published As

Publication number Publication date
WO2006068495A2 (en) 2006-06-29
NO20045614D0 (en) 2004-12-23
NO322285B1 (en) 2006-09-11

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