ES2194345T3 - Procedimiento para impedir el funcionamiento espurio de una reactancia para lamparas fluorescentes. - Google Patents

Procedimiento para impedir el funcionamiento espurio de una reactancia para lamparas fluorescentes.

Info

Publication number
ES2194345T3
ES2194345T3 ES98942259T ES98942259T ES2194345T3 ES 2194345 T3 ES2194345 T3 ES 2194345T3 ES 98942259 T ES98942259 T ES 98942259T ES 98942259 T ES98942259 T ES 98942259T ES 2194345 T3 ES2194345 T3 ES 2194345T3
Authority
ES
Spain
Prior art keywords
input signal
variable input
reactance
power
procedure
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.)
Expired - Lifetime
Application number
ES98942259T
Other languages
English (en)
Inventor
David G Luchaco
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.)
Lutron Electronics Co Inc
Original Assignee
Lutron Electronics Co Inc
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 Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Application granted granted Critical
Publication of ES2194345T3 publication Critical patent/ES2194345T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05B41/2853—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal power supply conditions
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

Una reactancia (200) adaptada para alimentar una lámpara fluorescente (300) en función de una señal de entrada variable de una fuente de potencia de entrada, comprendiendo la reactancia (200): una etapa de potencia para proporcionar potencia desde la señal de entrada variable hasta una lámpara fluorescente (300); un circuito de control (220) para controlar la etapa de potencia en función de la señal de entrada variable; una fuente de alimentación del circuito de control (240) para alimentar el circuito de control (220) con potencia de control; y un circuito de supervisión y habilitación (226) que permite a la reactancia (200) entregar potencia desde la señal de entrada variable hasta la lámpara sólo cuando las características de la señal de entrada variable cumplen unos criterios predeterminados. caracterizada porque dicho circuito de supervisión y habilitación (226) supervisa la señal de entrada variable para determinar si las características no cumplen unos criterios predeterminados y provoca la retirada de la potencia desde la señal de entrada variable hasta la lámpara (300) cuando las características no cumplen unos criterios predeterminados.
ES98942259T 1997-09-26 1998-08-26 Procedimiento para impedir el funcionamiento espurio de una reactancia para lamparas fluorescentes. Expired - Lifetime ES2194345T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/938,651 US6111368A (en) 1997-09-26 1997-09-26 System for preventing oscillations in a fluorescent lamp ballast

Publications (1)

Publication Number Publication Date
ES2194345T3 true ES2194345T3 (es) 2003-11-16

Family

ID=25471743

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98942259T Expired - Lifetime ES2194345T3 (es) 1997-09-26 1998-08-26 Procedimiento para impedir el funcionamiento espurio de una reactancia para lamparas fluorescentes.

Country Status (8)

Country Link
US (1) US6111368A (es)
EP (1) EP1013153B1 (es)
JP (1) JP2003517697A (es)
AT (1) ATE233984T1 (es)
CA (1) CA2314338C (es)
DE (1) DE69811918T2 (es)
ES (1) ES2194345T3 (es)
WO (1) WO1999017591A1 (es)

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Also Published As

Publication number Publication date
EP1013153A1 (en) 2000-06-28
US6111368A (en) 2000-08-29
WO1999017591A1 (en) 1999-04-08
ATE233984T1 (de) 2003-03-15
CA2314338C (en) 2006-05-16
DE69811918D1 (de) 2003-04-10
EP1013153B1 (en) 2003-03-05
CA2314338A1 (en) 1999-04-08
DE69811918T2 (de) 2003-11-13
JP2003517697A (ja) 2003-05-27

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