SE9503252L - Method and device for controlling gas discharge lamps - Google Patents

Method and device for controlling gas discharge lamps

Info

Publication number
SE9503252L
SE9503252L SE9503252A SE9503252A SE9503252L SE 9503252 L SE9503252 L SE 9503252L SE 9503252 A SE9503252 A SE 9503252A SE 9503252 A SE9503252 A SE 9503252A SE 9503252 L SE9503252 L SE 9503252L
Authority
SE
Sweden
Prior art keywords
lamp
voltage
control signal
circuit
gas discharge
Prior art date
Application number
SE9503252A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE515566C2 (en
SE9503252D0 (en
Inventor
Bo Hoegberg
Original Assignee
Labino Ab
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 Labino Ab filed Critical Labino Ab
Priority to SE9503252A priority Critical patent/SE515566C2/en
Publication of SE9503252D0 publication Critical patent/SE9503252D0/en
Priority to PCT/SE1996/001149 priority patent/WO1997011583A1/en
Priority to DE69619252T priority patent/DE69619252T2/en
Priority to EP96931343A priority patent/EP0852106B1/en
Priority to AT96931343T priority patent/ATE213383T1/en
Publication of SE9503252L publication Critical patent/SE9503252L/en
Publication of SE515566C2 publication Critical patent/SE515566C2/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
    • H05B41/282—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
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp 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
    • H05B41/285—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
    • 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

Abstract

A method for controlling a drive unit for gas discharge lamps where applied power consists of a DC voltage applied to a converter stage which is adapted to convert the DC voltage to an AC voltage suitable for the lamp, wherein the AC voltage is applied to a lamp circuit that includes a lamp (2) and an inductance (3) connected in series with the lamp, and wherein there is provided a lamp ignition circuit (4). The invention is characterized in that there is connected in a current branch of the drive unit (1) common to both the AC voltage side and the DC voltage side a current measuring sensor (5) whose output signal is used to generate a first control signal (13) corresponding to the power supplied to the lamp circuit, and a second control signal (14) corresponding to the peak current of the lamp circuit or, alternatively, corresponding to the reactive power present in the lamp circuit; and in that a third control signal (17) which constitutes the dominant signal of the first (13) and the second (14) control signal or, alternatively, a function thereof, is caused to control the current supply to the lamp in a feedback system.
SE9503252A 1995-09-19 1995-09-19 Procedure and device for controlling gas discharge lamps SE515566C2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9503252A SE515566C2 (en) 1995-09-19 1995-09-19 Procedure and device for controlling gas discharge lamps
PCT/SE1996/001149 WO1997011583A1 (en) 1995-09-19 1996-09-16 A method and an arrangement for controlling gas discharge lamps
DE69619252T DE69619252T2 (en) 1995-09-19 1996-09-16 METHOD AND DEVICE FOR CONTROLLING GAS DISCHARGE LAMPS
EP96931343A EP0852106B1 (en) 1995-09-19 1996-09-16 A method and an arrangement for controlling gas discharge lamps
AT96931343T ATE213383T1 (en) 1995-09-19 1996-09-16 METHOD AND DEVICE FOR CONTROLLING GAS DISCHARGE LAMPS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503252A SE515566C2 (en) 1995-09-19 1995-09-19 Procedure and device for controlling gas discharge lamps

Publications (3)

Publication Number Publication Date
SE9503252D0 SE9503252D0 (en) 1995-09-19
SE9503252L true SE9503252L (en) 1997-03-20
SE515566C2 SE515566C2 (en) 2001-08-27

Family

ID=20399534

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503252A SE515566C2 (en) 1995-09-19 1995-09-19 Procedure and device for controlling gas discharge lamps

Country Status (5)

Country Link
EP (1) EP0852106B1 (en)
AT (1) ATE213383T1 (en)
DE (1) DE69619252T2 (en)
SE (1) SE515566C2 (en)
WO (1) WO1997011583A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA862614B (en) * 1986-04-08 1986-12-30 David John Cockram Controller for gas discharge lamps
WO1987007996A1 (en) * 1986-06-19 1987-12-30 Innovative Controls, Inc. A ballast for systems having multiple high-intensity discharge lamps
DE4015398A1 (en) * 1990-05-14 1991-11-21 Hella Kg Hueck & Co Starter control circuit for HV gas discharge lamp in road vehicle
EP0566672A1 (en) * 1991-01-09 1993-10-27 Welch Allyn, Inc. Low wattage metal halide lamp apparatus

Also Published As

Publication number Publication date
DE69619252D1 (en) 2002-03-21
DE69619252T2 (en) 2002-11-21
ATE213383T1 (en) 2002-02-15
SE515566C2 (en) 2001-08-27
EP0852106B1 (en) 2002-02-13
EP0852106A1 (en) 1998-07-08
SE9503252D0 (en) 1995-09-19
WO1997011583A1 (en) 1997-03-27

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Legal Events

Date Code Title Description
NUG Patent has lapsed