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一种单相PFC实用电路的设计 被引量:5
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作者 陈德双 陈增禄 《西安工程大学学报》 CAS 2012年第2期200-204,共5页
研究了一种基于升压斩波的单相功率因数校正电路以抑制由LED驱动电源引起的谐波电流.采用误差滞环比较方式的电流跟踪控制和输出电压控制,并对电路参数进行计算.实验结果显示,用滞环比较跟踪的方法能够使电流波形跟踪电压波形,达到功率... 研究了一种基于升压斩波的单相功率因数校正电路以抑制由LED驱动电源引起的谐波电流.采用误差滞环比较方式的电流跟踪控制和输出电压控制,并对电路参数进行计算.实验结果显示,用滞环比较跟踪的方法能够使电流波形跟踪电压波形,达到功率因数校正的目的. 展开更多
关键词 单相功率因数校正(PFC) (boost) 滞环跟踪控制
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Proposal and Analyses of Resonant Bilateral Converter Employing Simple Zero Current Switches
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作者 Keiju Matsui Masaru Hasegawa 《Journal of Energy and Power Engineering》 2012年第3期404-410,共7页
With the development of devices for high performance, the circuit technologies have been also studied. One of the main streams concerns a soft switching technology to mitigate switching stress, leading to the reductio... With the development of devices for high performance, the circuit technologies have been also studied. One of the main streams concerns a soft switching technology to mitigate switching stress, leading to the reduction in switching losses or electro-magnetic noise. On the other hand, as a characterized orthodox technology', the existing chopper circuit is used for the electric vehicles, etc.. Such technologies have a tendency to go out of vogue as power supplies for such vehicles. However, as a boost chopper for the battery charger for an electric vehicle, those technologies become a main stream, where a bilateral function is required. With the foregoing in mind, the authors have devised and analyzed the bilateral chopper using the soft-switch technology, which could be applied to a battery charger for an electric vehicle or similar. 展开更多
关键词 LC resonance soft switch bilateral chopper boost chopper current resonance.
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