首页> 外文会议>International Conference on Electrical Machines and Systems(ICEMS 2003) v.1; 20031109-20031111; Beijing; CN >A Study on the Design and Performance of Electronic Ballast for CCFL Dimming Control with Frequency Modulation
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A Study on the Design and Performance of Electronic Ballast for CCFL Dimming Control with Frequency Modulation

机译:CCFL调频调光电子镇流器的设计与性能研究

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摘要

Commonly, CCFL dimming methods are used to either lamp current regulation or average current adjust feeding the CCFL inverter. And inverter operation frequency is higher than resonant frequency for safe operation. In this study, we design the half-bridge type series and parallel resonant converter circuit that switches at variable frequency modulation method to control the output power. This method has advantage such as low EMI and reduced harmonics, and it is convenient to dimming control with microprocessor. The validity of this study is confirmed from the simulation and experimental results.
机译:通常,CCFL调光方法用于调节灯电流或调节CCFL逆变器的平均电流。而且变频器的工作频率高于谐振频率,以确保安全运行。在这项研究中,我们设计了半桥型串联和并联谐振转换器电路,该电路以可变频率调制方法切换以控制输出功率。这种方法具有诸如低EMI和减少谐波的优点,并且便于用微处理器进行调光控制。仿真和实验结果证实了本研究的有效性。

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