WO2002067634A3 - Ballast circuit arrangement - Google Patents

Ballast circuit arrangement Download PDF

Info

Publication number
WO2002067634A3
WO2002067634A3 PCT/IB2002/000348 IB0200348W WO02067634A3 WO 2002067634 A3 WO2002067634 A3 WO 2002067634A3 IB 0200348 W IB0200348 W IB 0200348W WO 02067634 A3 WO02067634 A3 WO 02067634A3
Authority
WO
WIPO (PCT)
Prior art keywords
circuit arrangement
ballast circuit
switching
elements
snubber
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.)
Ceased
Application number
PCT/IB2002/000348
Other languages
French (fr)
Other versions
WO2002067634A2 (en
Inventor
Wilhelmus H M Langeslag
Arnold W Buij
Machiel A M Hendrix
Antonius H P J Habraken
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to JP2002567018A priority Critical patent/JP2004519818A/en
Priority to EP02716264A priority patent/EP1518446A2/en
Publication of WO2002067634A2 publication Critical patent/WO2002067634A2/en
Anticipated expiration legal-status Critical
Publication of WO2002067634A3 publication Critical patent/WO2002067634A3/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

In an inverter for operating a lamp by means of an AC current comprising two switching elements, the effect of hard switching is counteracted by means of a snubber comprising two inductive elements and at least two diodes.
PCT/IB2002/000348 2001-02-21 2002-02-01 Ballast circuit arrangement Ceased WO2002067634A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002567018A JP2004519818A (en) 2001-02-21 2002-02-01 Circuit device
EP02716264A EP1518446A2 (en) 2001-02-21 2002-02-01 Ballast circuit arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01200617.7 2001-02-21
EP01200617 2001-02-21

Publications (2)

Publication Number Publication Date
WO2002067634A2 WO2002067634A2 (en) 2002-08-29
WO2002067634A3 true WO2002067634A3 (en) 2005-02-03

Family

ID=8179911

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/000348 Ceased WO2002067634A2 (en) 2001-02-21 2002-02-01 Ballast circuit arrangement

Country Status (5)

Country Link
US (1) US6664743B2 (en)
EP (1) EP1518446A2 (en)
JP (1) JP2004519818A (en)
CN (1) CN1457625A (en)
WO (1) WO2002067634A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004057721A1 (en) * 2002-12-19 2004-07-08 Koninklijke Philips Electronics N.V. Method and system for feeding electrical energy into an alternating current electrical mains
US6876159B1 (en) * 2003-11-28 2005-04-05 Fego Precision Industrial Co, Ltd. Electronic ballast system for emergency lighting applications
DE602004028960D1 (en) * 2003-12-22 2010-10-14 Koninkl Philips Electronics Nv POWER SUPPLY
DE102005028417A1 (en) * 2005-06-20 2006-12-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Device for providing a sinusoidally amplitude-modulated operating voltage, illumination system and method for generating an amplitude-modulated voltage
WO2007051749A1 (en) * 2005-11-02 2007-05-10 Osram Gesellschaft mit beschränkter Haftung Apparatus for operating at least one discharge lamp
CN101753054B (en) * 2008-12-19 2012-07-11 台达能源技术（上海）有限公司 Inverter circuit
CN106100313A (en) * 2015-04-27 2016-11-09 松下知识产权经营株式会社 Power circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999002020A1 (en) * 1997-07-03 1999-01-14 Koninklijke Philips Electronics N.V. Circuit arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170747A (en) * 1978-09-22 1979-10-09 Esquire, Inc. Fixed frequency, variable duty cycle, square wave dimmer for high intensity gaseous discharge lamp
US5113120A (en) * 1991-06-11 1992-05-12 Scott James D Dimmer circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999002020A1 (en) * 1997-07-03 1999-01-14 Koninklijke Philips Electronics N.V. Circuit arrangement

Also Published As

Publication number Publication date
US6664743B2 (en) 2003-12-16
EP1518446A2 (en) 2005-03-30
JP2004519818A (en) 2004-07-02
US20020113557A1 (en) 2002-08-22
CN1457625A (en) 2003-11-19
WO2002067634A2 (en) 2002-08-29

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