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EP1672964A3 - Circuit - Google Patents

Circuit Download PDF

Info

Publication number
EP1672964A3
EP1672964A3 EP05026132A EP05026132A EP1672964A3 EP 1672964 A3 EP1672964 A3 EP 1672964A3 EP 05026132 A EP05026132 A EP 05026132A EP 05026132 A EP05026132 A EP 05026132A EP 1672964 A3 EP1672964 A3 EP 1672964A3
Authority
EP
European Patent Office
Prior art keywords
terminal
coupled
lamp
supply lines
ballast
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.)
Granted
Application number
EP05026132A
Other languages
German (de)
French (fr)
Other versions
EP1672964B1 (en
EP1672964A2 (en
Inventor
Thomas Dr. Siegmund
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1672964A2 publication Critical patent/EP1672964A2/en
Publication of EP1672964A3 publication Critical patent/EP1672964A3/en
Application granted granted Critical
Publication of EP1672964B1 publication Critical patent/EP1672964B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

The arrangement has a power supply line with terminals (P, O, S) for a phase, neutral lead and protective conductor, respectively. A lamp terminal is provided for a lamp with coils that are coupled at an output of an electronic ballast by four supply lines (32, 34, 36, 38). The terminal (S) is connected with a ground wire terminal of the ballast. A current compensated inductor is provided via which the supply lines (32, 34) are coupled.
EP05026132A 2004-12-20 2005-11-30 Circuit Not-in-force EP1672964B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004061325A DE102004061325A1 (en) 2004-12-20 2004-12-20 circuitry

Publications (3)

Publication Number Publication Date
EP1672964A2 EP1672964A2 (en) 2006-06-21
EP1672964A3 true EP1672964A3 (en) 2006-11-22
EP1672964B1 EP1672964B1 (en) 2010-06-02

Family

ID=36087647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05026132A Not-in-force EP1672964B1 (en) 2004-12-20 2005-11-30 Circuit

Country Status (3)

Country Link
EP (1) EP1672964B1 (en)
AT (1) ATE470342T1 (en)
DE (2) DE102004061325A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996009741A1 (en) * 1994-09-19 1996-03-28 Power Image Pte Ltd. Power factor correcting circuit
WO1997013391A1 (en) * 1995-10-03 1997-04-10 Pal Sandor Improvements in or relating to an electronic ballast for fluorescent lamps
US5740021A (en) * 1994-05-30 1998-04-14 Patent-Treuhand-Gesellschaft Fur Elektrische Gluehlampen Mbh Switching power supply for the operation of electric lamps
US6472876B1 (en) * 2000-05-05 2002-10-29 Tridonic-Usa, Inc. Sensing and balancing currents in a ballast dimming circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5740021A (en) * 1994-05-30 1998-04-14 Patent-Treuhand-Gesellschaft Fur Elektrische Gluehlampen Mbh Switching power supply for the operation of electric lamps
WO1996009741A1 (en) * 1994-09-19 1996-03-28 Power Image Pte Ltd. Power factor correcting circuit
WO1997013391A1 (en) * 1995-10-03 1997-04-10 Pal Sandor Improvements in or relating to an electronic ballast for fluorescent lamps
US6472876B1 (en) * 2000-05-05 2002-10-29 Tridonic-Usa, Inc. Sensing and balancing currents in a ballast dimming circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VACLAVIK J ET AL: "Aspects of energy consumption in large lighting systems", 3 October 2004, INDUSTRY APPLICATIONS CONFERENCE, 2004. 39TH IAS ANNUAL MEETING. CONFERENCE RECORD OF THE 2004 IEEE SEATTLE, WA, USA 3-7 OCT. 2004, PISCATAWAY, NJ, USA,IEEE, PAGE(S) 1373-1378, ISBN: 0-7803-8486-5, XP010735183 *

Also Published As

Publication number Publication date
DE102004061325A1 (en) 2006-06-22
EP1672964B1 (en) 2010-06-02
DE502005009673D1 (en) 2010-07-15
ATE470342T1 (en) 2010-06-15
EP1672964A2 (en) 2006-06-21

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