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首页> 外文期刊>Power Electronics, IET >Power corrected bridgeless converter based switched mode power supply factor
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Power corrected bridgeless converter based switched mode power supply factor

机译：基于功率校正的无桥转换器的开关模式电源系数

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摘要

In this study, a new switched mode power supply (SMPS) for personal computers (PCs) with improved power quality and enhanced output voltage regulation is designed, modelled and implemented in the hardware. The normally used diode converter at the front end of any SMPS is eliminated in the present configuration by making use of two non-isolated power factor corrected (PFC) converters at the front end in a back to back manner. This is followed by an isolated dc–dc converter which yields multiple dc voltages required in the PCs. The front end converter is designed in discontinuous conduction mode with a single control loop to achieve both voltage control and PFC. A fair comparison between the conventional SMPS and the proposed SMPS is made to demonstrate the effectiveness of the proposed configuration which is verified by simulation results and corroborated with experimental results.
机译：在这项研究中，设计，建模并在硬件中设计了一种新型个人计算机（PC）开关电源（SMPS），具有更高的电能质量和更高的输出电压调节率。在本配置中，通过背对背使用前端的两个非隔离功率因数校正（PFC）转换器，可以消除任何SMPS前端的常用二极管转换器。随后是隔离的DC-DC转换器，该转换器可产生PC所需的多个DC电压。前端转换器设计为具有单个控制环路的不连续导通模式，以实现电压控制和PFC。通过对常规SMPS和拟议中的SMPS进行了合理的比较，以证明所提出的配置的有效性，该结果已通过仿真结果进行了验证，并得到了实验结果的证实。

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