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首页> 外文期刊>Power Electronics, IET >Zero-voltage transition bridgeless single-ended primary inductance converter power factor correction rectifier
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Zero-voltage transition bridgeless single-ended primary inductance converter power factor correction rectifier

机译:零电压过渡无桥单端初级电感转换器功率因数校正整流器

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摘要

In this study, a new zero-voltage transition (ZVT) bridgeless single-ended primary inductance converter power factor correction converter is introduced. The proposed converter has only two semiconductor elements in the current path at any time. Therefore the conduction losses in this converter are reduced in comparison with conventional SEPIC PFC rectifier. Also, in the proposed converter, ZVT soft switching technique is applied to improve the efficiency. The principle of the operation, design procedure and simulation results are presented. A 450 W prototype of this converter is implemented and the experimental results are presented to demonstrate the feasibility of the proposed technique.
机译:在这项研究中,介绍了一种新型的零电压过渡(ZVT)无桥单端初级电感转换器功率因数校正转换器。所提出的转换器在任何时候在电流路径中仅具有两个半导体元件。因此,与传统的SEPIC PFC整流器相比,该转换器的传导损耗得以降低。另外,在所提出的转换器中,ZVT软开关技术被应用于提高效率。给出了工作原理,设计程序和仿真结果。实施了该转换器的450 W原型,并给出了实验结果以证明所提出技术的可行性。

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