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首页> 外文期刊>Power Electronics, IET >High-order high-performance LCLCL DC/DC converter based on harmonic optimisation
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High-order high-performance LCLCL DC/DC converter based on harmonic optimisation

机译:基于谐波优化的高阶高性能LCLCL DC / DC转换器

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摘要

This work presents a new type of high-order LCLCL resonant DC/DC converter. The converter in this study can properly inject the third harmonic for energy transmission through optimal configuration and parameter design of the resonant tank, which can not only achieve a wider voltage regulation range but also provide an easy method for soft start and overcurrent protection. In this study, both switches can realise soft switching, and due to the injection of the third harmonic, the loss of the secondary rectifier diode is reduced. This article describes the working principle of the LCLCL converter and provides the parameter design principle and small-signal modelling method. In the laboratory, a 400 W prototype with 400 V input and 24 V output is built to verify the correctness of the theoretical analysis.
机译:这项工作提出了一种新型的高阶LCLCL共振DC / DC转换器。该研究中的转换器可以通过谐振槽的最佳配置和参数设计正确地注入能量传输,这不仅可以实现更宽的电压调节范围,还可以提供一种简单的方法,用于软启动和过电流保护。在这项研究中,两个开关都可以实现软切换,并且由于喷射三次谐波,减少了二次整流二极管的损耗。本文介绍了LCLCL转换器的工作原理,并提供了参数设计原理和小信号建模方法。在实验室中,建立了400 V输入和24 V输出的400 W原型,以验证理论分析的正确性。

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