A new dimming circuit for discharge lamps

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概要

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• This paper represents a new continuous dimming circuit for fluorescent and High-Intensity Discharge(HID) lamps controlled by inverse parallel connected thyristors with a newly introduced auxiliary step-up transformer. The dimming circuit can not only regulate the light output over range from 100% to 1% continuously, but also can sustain lamp burning steady even if in a lower ambient temperature. These features of the dimming circuit are due to giving a sufficient high reignition voltage to discharge lamps and continuing the lamp current, even though the thyristors are in off period, by the auxiliary step-up transformer.

• 社団法人照明学会の論文

著者

• Inoue Junichi

  Department Of Orthopaedic Surgery The Jikei University School Of Medicine

• Inoue Junichi

  Faculty Of Education Okayama University

• KOMATSUBARA Hitoshi

  Faculty of Engineering, Okayama University.

• HIMEI Toyoji

  Faculty of Engineering, Okayama University.

• NAKANISHI Sen-ichiro

  Faculty of Engineering, Okayama University.

• Komatsubara Hitoshi

  Faculty Of Engineering Okayama University.

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