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    Please use this identifier to cite or link to this item: https://ir.lib.ksu.edu.tw/handle/987654321/12891

    Title: 應用低頻驅動之冷陰極螢光燈管背光系統分析及研製
    Authors: 李宗勳;黃世杰;林鵬遠;白富升
    Contributor: 電機工程系
    Keywords: 冷陰極螢光燈管;相位移諧振轉換器
    cold cathode fluorescent lamp;phase-shifting resonant inverter
    Date: 2010-12-03
    Issue Date: 2010-12-16 15:27:52 (UTC+8)
    Publisher: 台南縣:崑山科技大學
    Abstract: 本文提出一種低頻驅動之冷陰極螢光燈管,其驅動架構
    A low-frequency cold cathode fluorescent lamp lighting system is proposed in this paper. The driving scheme adopts the full-bridge phase-shifting resonant inverter along with a three-winding step-up transformer such that the parasitic capacitance effect and the leakage loss are reduced while the lighting efficiency can be increased. The circuit starts with the high-frequency voltage to accelerate the ignition of the lamp.
    This is followed by a frequency-scanning approach to reduce the frequency down to 1 kHz in order to ensure the luminance can be linearly increased and the time to stabilize the lighting is shortened. A prototype of the proposed circuit has been completed and analyzed. Test results help validate the advantages and feasibility of the proposed approach for the application investigated.
    Relation: 第31屆電力工程研討會
    Appears in Collections:[電機工程系所 ] 2010第卅一屆電力工程研討會

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