ATE113157T1 - IGNITION CIRCUIT FOR A HIGH-PRESSURE METAL-HALID DISCHARGE LAMP. - Google Patents

IGNITION CIRCUIT FOR A HIGH-PRESSURE METAL-HALID DISCHARGE LAMP.

Info

Publication number
ATE113157T1
ATE113157T1 AT88118033T AT88118033T ATE113157T1 AT E113157 T1 ATE113157 T1 AT E113157T1 AT 88118033 T AT88118033 T AT 88118033T AT 88118033 T AT88118033 T AT 88118033T AT E113157 T1 ATE113157 T1 AT E113157T1
Authority
AT
Austria
Prior art keywords
choke winding
discharge lamp
choke
winding
ignition
Prior art date
Application number
AT88118033T
Other languages
German (de)
Inventor
Rudolf Muehling
Original Assignee
Zumtobel Ag
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 Zumtobel Ag filed Critical Zumtobel Ag
Application granted granted Critical
Publication of ATE113157T1 publication Critical patent/ATE113157T1/en

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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

In an ignition circuit for a high-pressure metal vapour discharge lamp (205) with a superimposed-pulse igniter (4), it is intended that the ballast inductance (203) should limit the current of a discharge lamp (205) of reduced power to a correspondingly lower value. However, the measure required for this purpose is intended to leave largely unaffected the time interval of the ignition pulses and the frequency of the damped oscillation occurring when the switch element (9) is switched through. This is achieved by now providing a further choke winding (208) as well as the single choke winding (204) used until now to form the ballast inductance (203), which further choke winding (208) preferably has a common choke core with the first-mentioned choke winding (204). The further choke winding (208) is connected only in the lamp circuit (204, 208, 12, 205), but not in the series circuit formed by the first choke winding (204), the impulse capacitor (6) and the auxiliary ignition capacitor (7). <IMAGE>
AT88118033T 1987-10-28 1988-10-28 IGNITION CIRCUIT FOR A HIGH-PRESSURE METAL-HALID DISCHARGE LAMP. ATE113157T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873736542 DE3736542A1 (en) 1987-10-28 1987-10-28 IGNITION SWITCHING FOR A HIGH PRESSURE METAL STEAM DISCHARGE LAMP

Publications (1)

Publication Number Publication Date
ATE113157T1 true ATE113157T1 (en) 1994-11-15

Family

ID=6339283

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88118033T ATE113157T1 (en) 1987-10-28 1988-10-28 IGNITION CIRCUIT FOR A HIGH-PRESSURE METAL-HALID DISCHARGE LAMP.

Country Status (3)

Country Link
EP (1) EP0314178B1 (en)
AT (1) ATE113157T1 (en)
DE (2) DE3736542A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236403A1 (en) * 1992-10-28 1994-07-07 Tridonic Bauelemente Ges Mbh D Ignition circuit for a high pressure metal vapor discharge lamp
DE19531623B4 (en) * 1995-08-28 2010-09-23 Tridonicatco Gmbh & Co. Kg Method and circuit arrangement for igniting a high-pressure gas discharge lamp
DE19531622B4 (en) * 1995-08-28 2011-01-13 Tridonicatco Gmbh & Co. Kg Ignition circuit for a high pressure gas discharge lamp
DE19544842A1 (en) * 1995-12-01 1997-06-05 Bosch Gmbh Robert Input circuit for an ignition device of a high-pressure gas discharge lamp
RU2271077C1 (en) * 2004-06-11 2006-02-27 Закрытое акционерное общество "Научно-исследовательский технологический институт "ЛАНТАН" Device for lighting high-pressure gas-discharge lamps

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824906A (en) * 1957-10-15 1959-12-09 Engelhard Ind Inc Improvements in or relating to an operating circuit for electrical discharge lamps
US4187449A (en) * 1978-05-08 1980-02-05 General Electric Company Discharge lamp operating circuit
US4538094A (en) * 1983-08-12 1985-08-27 Iota Engineering Co. Lamp ballast with near unity power factor and low harmonic content

Also Published As

Publication number Publication date
EP0314178B1 (en) 1994-10-19
EP0314178A1 (en) 1989-05-03
DE3851868D1 (en) 1994-11-24
DE3736542A1 (en) 1989-05-11

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee