Abstract:
本文提出了一种基于UC3854的零电压转换有源功率因数校正(ZVT-APFC)的控制电路实现方案,介绍了ZVT电路工作原理,着重分析了由分立元件构成的辅助开关管的驱动电路,通过实验证实了驱动电路的稳定性和可靠性,并通过效率比较验证了ZVT-APFC电路的优良性能;与采用UC3855的电路相比,本文所采用的电路方案具有简单、可靠、成本低等优点.
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Year: 2006
Language: Chinese
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