FI109572B - Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle - Google Patents

Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle Download PDF

Info

Publication number
FI109572B
FI109572B FI20010016A FI20010016A FI109572B FI 109572 B FI109572 B FI 109572B FI 20010016 A FI20010016 A FI 20010016A FI 20010016 A FI20010016 A FI 20010016A FI 109572 B FI109572 B FI 109572B
Authority
FI
Finland
Prior art keywords
lamp
frequency
current
capacitor
inductance
Prior art date
Application number
FI20010016A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20010016A0 (fi
Inventor
Harri Naakka
Hannu Vihinen
Original Assignee
Helvar Oy 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 Helvar Oy Ab filed Critical Helvar Oy Ab
Priority to FI20010016A priority Critical patent/FI109572B/fi
Publication of FI20010016A0 publication Critical patent/FI20010016A0/fi
Priority to EP01660253A priority patent/EP1225791A3/fr
Application granted granted Critical
Publication of FI109572B publication Critical patent/FI109572B/fi

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit 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
    • H05B41/282Circuit 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
    • H05B41/2825Circuit 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
    • H05B41/2828Circuit 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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
FI20010016A 2001-01-05 2001-01-05 Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle FI109572B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20010016A FI109572B (fi) 2001-01-05 2001-01-05 Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle
EP01660253A EP1225791A3 (fr) 2001-01-05 2001-12-28 Méthode et appareil pour alimenter en courant alternatif à haute fréquence une lampe à décharge basse-pression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20010016A FI109572B (fi) 2001-01-05 2001-01-05 Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle
FI20010016 2001-01-05

Publications (2)

Publication Number Publication Date
FI20010016A0 FI20010016A0 (fi) 2001-01-05
FI109572B true FI109572B (fi) 2002-08-30

Family

ID=8559885

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20010016A FI109572B (fi) 2001-01-05 2001-01-05 Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle

Country Status (2)

Country Link
EP (1) EP1225791A3 (fr)
FI (1) FI109572B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602005019256D1 (de) 2005-03-22 2010-03-25 Lightech Electronics Ind Ltd Zündschaltung für eine HID-Lampe

Also Published As

Publication number Publication date
EP1225791A3 (fr) 2004-08-11
EP1225791A2 (fr) 2002-07-24
FI20010016A0 (fi) 2001-01-05

Similar Documents

Publication Publication Date Title
EP0893039B1 (fr) Circuit ballast
US9714759B2 (en) Apparatus or circuit for driving a DC powered lighting equipment
JPH0317197B2 (fr)
JP2004134360A (ja) スリーウェイ調光コンパクト蛍光灯の安定器
US20030189411A1 (en) Lamp ballast system having improved power factor and end-of-lamp-life protection circuit
WO2011049689A1 (fr) Ballast de lampe fluorescente équipé d'un circuit électronique de préchauffage
FI109572B (fi) Menetelmä ja laite suurtaajuusvaihtovirran syöttämiseksi pienpaineiselle purkauslampulle
US6118227A (en) High frequency electronic drive circuits for fluorescent lamps
US7514878B2 (en) High frequency electronic ballast with sine wave oscillator
US6274988B1 (en) Open loop current control ballast low pressure mercury germicidal UV lamps
CN101982021A (zh) 利用多灯操作装置的hid灯类型的识别和照明系统
US4851739A (en) Controlled-frequency series-resonant ballast
CA2456367A1 (fr) Circuit et methode permettant d'amorcer et de faire fonctionner des lampes a decharge dans un gaz avec filaments d'electrodes chauffants
Perdigao et al. Magnetic regulator topologies for dimmable electronic ballasts
US5434481A (en) Electronic ballast for fluorescent lamps
JP2008123979A5 (fr)
Hesterman et al. A novel parallel-resonant programmed start electronic ballast
CN108594100B (zh) 电灯灯管寿命的检测电路及电灯
US20050264243A1 (en) Ballast for a discharge lamp having a continuous-operation control circuit
JP2625793B2 (ja) 蛍光灯点灯装置
US5270618A (en) Magnetic-electronic dual-frequency ballast
KR100607394B1 (ko) 저압 방전램프 동작회로
FI112773B (fi) Menetelmä ja järjestely liitäntälaitteen yhteydessä sekä liitäntälaite
JP2006012659A (ja) 放電灯点灯回路
US20090184645A1 (en) Method and circuit for heating an electrode of a discharge lamp

Legal Events

Date Code Title Description
MA Patent expired