NO891602D0 - DISCHARGE LIGHT DRIVING CIRCUIT. - Google Patents

DISCHARGE LIGHT DRIVING CIRCUIT.

Info

Publication number
NO891602D0
NO891602D0 NO891602A NO891602A NO891602D0 NO 891602 D0 NO891602 D0 NO 891602D0 NO 891602 A NO891602 A NO 891602A NO 891602 A NO891602 A NO 891602A NO 891602 D0 NO891602 D0 NO 891602D0
Authority
NO
Norway
Prior art keywords
voltage
invertor
frequency generator
supplied
control unit
Prior art date
Application number
NO891602A
Other languages
Norwegian (no)
Other versions
NO177520B (en
NO177520C (en
NO891602L (en
Inventor
Otto Jagschitz
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
Publication of NO891602D0 publication Critical patent/NO891602D0/en
Publication of NO891602L publication Critical patent/NO891602L/en
Priority to NO950633A priority Critical patent/NO178810C/en
Publication of NO177520B publication Critical patent/NO177520B/en
Publication of NO177520C publication Critical patent/NO177520C/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
    • H05B41/14—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
    • 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
    • H05B41/2825—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 by means of a bridge converter in the final stage
    • H05B41/2828—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 by means of a bridge converter in the final stage using control circuits for the switching elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Connecting Device With Holders (AREA)
  • Cookers (AREA)
  • Led Devices (AREA)

Abstract

A ballast for a discharge lamp (L) contains, in the normal manner, an invertor (C) supplied from a DC voltage source (B), which invertor generates the alternating voltage for the discharge lamp (L). The discharge lamp (L) is located in parallel with the capacitor (C10) of a series-resonant circuit (L6/C10). A variable frequency AC voltage is supplied from a variable frequency generator (6, 7, 8, 9, 15, 16) to the invertor (C). The frequency of the variable frequency generator can be controlled by a control unit (10). Control signals are supplied to the control unit, which signals correspond to various parameters of the ballast. These parameters are the lamp voltage, the lamp current, the DC power, the DC voltage, a low-voltage DC voltage and the phase angle of the load circuit (E) for the invertor (C). The reaction of the control unit (10) to changes in the parameters mentioned is to change the frequency of the frequency generator or to switch off the frequency generator or the invertor (C). <IMAGE>
NO891602A 1988-04-20 1989-04-19 Discharge lamp drive circuit NO177520C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO950633A NO178810C (en) 1988-04-20 1995-02-20 Discharge lamp drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88106325A EP0338109B1 (en) 1988-04-20 1988-04-20 Converter for a discharge lamp

Publications (4)

Publication Number Publication Date
NO891602D0 true NO891602D0 (en) 1989-04-19
NO891602L NO891602L (en) 1989-10-23
NO177520B NO177520B (en) 1995-06-19
NO177520C NO177520C (en) 1995-09-27

Family

ID=8198904

Family Applications (1)

Application Number Title Priority Date Filing Date
NO891602A NO177520C (en) 1988-04-20 1989-04-19 Discharge lamp drive circuit

Country Status (7)

Country Link
EP (1) EP0338109B1 (en)
AT (1) ATE103458T1 (en)
DE (2) DE3888675D1 (en)
DK (1) DK171604B1 (en)
ES (1) ES2054726T3 (en)
FI (1) FI94918C (en)
NO (1) NO177520C (en)

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US5099176A (en) * 1990-04-06 1992-03-24 North American Philips Corporation Fluorescent lamp ballast operable from two different power supplies
DE4018127A1 (en) * 1990-06-06 1991-12-12 Zumtobel Ag METHOD AND CIRCUIT FOR CONTROLLING THE BRIGHTNESS (DIMMING) OF GAS DISCHARGE LAMPS
US5198726A (en) * 1990-10-25 1993-03-30 U.S. Philips Corporation Electronic ballast circuit with lamp dimming control
DE4039161C2 (en) * 1990-12-07 2001-05-31 Zumtobel Ag Dornbirn System for controlling the brightness and operating behavior of fluorescent lamps
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KR960010713B1 (en) * 1993-08-17 1996-08-07 삼성전자 주식회사 Electronic ballast
EP0677982B1 (en) * 1994-04-15 2000-02-09 Knobel Ag Lichttechnische Komponenten Process for operating a discharge lamp ballast
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KR0149303B1 (en) * 1995-03-30 1998-12-15 김광호 Electronic ballast for succesive feedback control system
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DE19708792A1 (en) * 1997-03-04 1998-09-10 Tridonic Bauelemente Method and device for detecting the rectification effect occurring in a gas discharge lamp
DE19708791C5 (en) * 1997-03-04 2004-12-30 Tridonicatco Gmbh & Co. Kg Control circuit and electronic ballast with such a control circuit
JP4252117B2 (en) 1997-05-16 2009-04-08 株式会社デンソー Discharge lamp device
JPH10327586A (en) 1997-05-26 1998-12-08 Chichibu Onoda Cement Corp Circuit and method for controlling piezoelectric transformer
US6111368A (en) * 1997-09-26 2000-08-29 Lutron Electronics Co., Inc. System for preventing oscillations in a fluorescent lamp ballast
US6118221A (en) * 1997-10-16 2000-09-12 Tokin Corporation Cold-cathode tube lighting circuit with protection circuit for piezoelectric transformer
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JP2982804B2 (en) * 1998-01-16 1999-11-29 サンケン電気株式会社 Discharge lamp lighting device
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US6140777A (en) * 1998-07-29 2000-10-31 Philips Electronics North America Corporation Preconditioner having a digital power factor controller
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US9462666B2 (en) * 2014-08-19 2016-10-04 Environmental Potentials Electrodeless fluorescent ballast driving circuit and resonance circuit with added filtration and protection
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US4477748A (en) * 1980-10-07 1984-10-16 Thomas Industries, Inc. Solid state ballast
CH663508A5 (en) * 1983-09-06 1987-12-15 Knobel Elektro App ELECTRONIC CONTROLLER FOR FLUORESCENT LAMPS AND METHOD FOR THE OPERATION THEREOF.
CA1333408C (en) * 1984-10-16 1994-12-06 Calvin E. Grubbs Electronic ballast circuit for fluorescent lamps

Also Published As

Publication number Publication date
ATE103458T1 (en) 1994-04-15
ES2054726T3 (en) 1994-08-16
FI94918C (en) 1995-11-10
EP0338109A1 (en) 1989-10-25
FI94918B (en) 1995-07-31
FI891828A0 (en) 1989-04-17
FI891828A (en) 1989-10-21
EP0338109B1 (en) 1994-03-23
DE3888675D1 (en) 1994-04-28
DK171604B1 (en) 1997-02-17
NO177520B (en) 1995-06-19
DE3913033A1 (en) 1989-11-16
NO177520C (en) 1995-09-27
DK188089D0 (en) 1989-04-19
DK188089A (en) 1989-10-21
NO891602L (en) 1989-10-23

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MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN OCTOBER 2002