HK1054628A1 - Apparatus for noise current reduction in power converters. - Google Patents

Apparatus for noise current reduction in power converters.

Info

Publication number
HK1054628A1
HK1054628A1 HK03106837A HK03106837A HK1054628A1 HK 1054628 A1 HK1054628 A1 HK 1054628A1 HK 03106837 A HK03106837 A HK 03106837A HK 03106837 A HK03106837 A HK 03106837A HK 1054628 A1 HK1054628 A1 HK 1054628A1
Authority
HK
Hong Kong
Prior art keywords
power converters
noise current
current reduction
noise
reduction
Prior art date
Application number
HK03106837A
Other languages
English (en)
Inventor
Chiu-Pong Joe Liu
Ngai-Kit Franki Poon
Man-Hay Bryan Pong
Original Assignee
Univ Hong Kong
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 Univ Hong Kong filed Critical Univ Hong Kong
Publication of HK1054628A1 publication Critical patent/HK1054628A1/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
    • 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
    • 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
    • H02M1/123—Suppression of common mode voltage or current

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Amplifiers (AREA)
HK03106837A 2001-08-24 2003-09-23 Apparatus for noise current reduction in power converters. HK1054628A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/939,068 US6490181B1 (en) 2001-08-24 2001-08-24 Apparatus for reducing common mode noise current in power converters

Publications (1)

Publication Number Publication Date
HK1054628A1 true HK1054628A1 (en) 2003-12-05

Family

ID=25472487

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03106837A HK1054628A1 (en) 2001-08-24 2003-09-23 Apparatus for noise current reduction in power converters.

Country Status (4)

Country Link
US (2) US6490181B1 (xx)
EP (1) EP1289108B1 (xx)
CN (1) CN1201469C (xx)
HK (1) HK1054628A1 (xx)

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Publication number Priority date Publication date Assignee Title
DE69826172T2 (de) * 1997-04-30 2005-02-03 Fidelix Y.K., Kiyose Stromversorgungsgerät
US6879500B2 (en) * 2001-08-24 2005-04-12 The University Of Hong Kong Apparatus for noise current reduction in power converters
US6490181B1 (en) * 2001-08-24 2002-12-03 The University Of Hong Kong Apparatus for reducing common mode noise current in power converters
EP1470634A4 (en) * 2002-01-07 2006-03-15 Int Rectifier Corp ANTI-ELECTROMAGNETIC INTERFERENCE FILTER WITH AVAL CANCELLATION
NZ518966A (en) * 2002-05-15 2004-12-24 Enatel Ltd Passive common mode noise reduction circuit by applying anti-phase noise (using a further winding, capacitor)
US6850423B2 (en) * 2003-05-30 2005-02-01 Comarco Wireless Technologies, Inc. Common mode noise cancellation circuit
US9153960B2 (en) 2004-01-15 2015-10-06 Comarco Wireless Technologies, Inc. Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices
US6958594B2 (en) * 2004-01-21 2005-10-25 Analog Devices, Inc. Switched noise filter circuit for a DC-DC converter
US20090040001A1 (en) * 2005-10-10 2009-02-12 George Young Power converter
US7545656B2 (en) * 2006-07-18 2009-06-09 Comarco Wireless Technologies, Inc. Common mode noise reduction circuit utilizing dual primary windings
US20090195303A1 (en) * 2008-02-04 2009-08-06 William Joseph Bowhers Method of Reducing Common Mode Current Noise in Power Conversion Applications
US8138620B2 (en) * 2009-06-12 2012-03-20 General Electric Company Methods and systems for operating a wind turbine power converter
US8772975B2 (en) 2009-12-07 2014-07-08 Qualcomm Incorporated Apparatus and method for implementing a differential drive amplifier and a coil arrangement
JP5721355B2 (ja) * 2010-07-21 2015-05-20 キヤノン株式会社 電源回路
US8692526B2 (en) * 2010-12-01 2014-04-08 Microsoft Corporation Converting leakage current to DC output
US9276460B2 (en) * 2012-05-25 2016-03-01 Flextronics Ap, Llc Power converter with noise immunity
EP2709250A1 (en) * 2012-09-13 2014-03-19 Nxp B.V. Noise filtering
CN102868380A (zh) * 2012-09-20 2013-01-09 无锡莱吉特信息科技有限公司 一种共模滤波电路
US9490651B2 (en) 2013-03-15 2016-11-08 Flextronics Ap, Llc Sweep frequency mode for magnetic resonant power transmission
US9564823B2 (en) 2014-10-01 2017-02-07 Toyota Motor Engineering & Manufacturing North America, Inc. DC-DC power conversion circuit with magnetic and capacitive isolation
US9866132B2 (en) * 2015-07-31 2018-01-09 Toyota Motor Engineering & Manufacturing North America, Inc. DC-DC power conversion and balancing circuit
US9893631B2 (en) 2015-09-23 2018-02-13 Toyota Motor Engineering & Manufacturing North America, Inc. Non-isolated DC-DC conversion circuit configured for capacitive and magnetic power transfer
US10038369B2 (en) * 2015-11-19 2018-07-31 Pacesetter, Inc. Systems and methods for reducing noise and interference in isolated switching power supplies
EP3232551B1 (en) 2016-04-15 2020-08-19 Nxp B.V. Switch-mode power supply with noise filter
US10333410B2 (en) * 2016-09-15 2019-06-25 Futurewei Technologies, Inc. Common-mode (CM) electromagnetic interference (EMI) reduction in resonant converters
CN107248815B (zh) * 2017-06-07 2020-04-28 浙江大学 低emi非对称中心抽头整流电路
WO2020142568A1 (en) * 2018-12-31 2020-07-09 Rompower Technology Holdings, Llc Power transformer for minimum noise injection in between primary and secondary winding "rompower active shield"
US11750114B2 (en) 2021-10-22 2023-09-05 General Electric Company Reduction of common mode emission of an electrical power converter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683529A (en) * 1986-11-12 1987-07-28 Zytec Corporation Switching power supply with automatic power factor correction
US4888675A (en) * 1987-08-26 1989-12-19 Harris Corporation Switching power supply filter
JPH03230764A (ja) * 1990-02-01 1991-10-14 Toshiba Corp Ｐｗｍ制御による電源装置
US5077543A (en) * 1991-02-07 1991-12-31 Ungermann-Bass, Inc. Balanced low-pass common mode filter
JP3392915B2 (ja) * 1993-07-19 2003-03-31 株式会社リコー 電子機器用電源装置
US5319535A (en) * 1993-08-19 1994-06-07 Westinghouse Electric Corp. Active power line conditioner having capability for rejection of common-mode disturbances
US5636112A (en) * 1995-07-13 1997-06-03 Compaq Computer Corporation Portable computer having built-in AC adapter incorporating a space efficient electromagnetic interference filter
US6122184A (en) * 1997-06-19 2000-09-19 The Texas A&M University System Method and system for an improved converter output filter for an induction drive system
US5905642A (en) * 1997-11-11 1999-05-18 Robicon Corporation Apparatus and method to reduce common mode voltage from current source drives
US6288915B1 (en) * 1997-12-23 2001-09-11 Asea Brown Boveri Ag Converter circuit arrangement having a DC intermediate circuit
KR100494256B1 (ko) * 1998-04-28 2005-06-13 마츠시타 덴끼 산교 가부시키가이샤 다리미
US6137392A (en) * 1998-10-05 2000-10-24 Herbert; Edward Transformer for switched mode power supplies and similar applications
US6490181B1 (en) * 2001-08-24 2002-12-03 The University Of Hong Kong Apparatus for reducing common mode noise current in power converters

Also Published As

Publication number Publication date
US6490181B1 (en) 2002-12-03
CN1201469C (zh) 2005-05-11
EP1289108B1 (en) 2011-07-20
EP1289108A2 (en) 2003-03-05
EP1289108A3 (en) 2005-06-15
US20030231515A1 (en) 2003-12-18
CN1407702A (zh) 2003-04-02

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20220818