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首页> 外文期刊>Electric Power Components and Systems >Conducted Electromagnetic Interference Spectral Peak Mitigation in Luo-Converter Using FPGA-Based Chaotic PWM Technique
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Conducted Electromagnetic Interference Spectral Peak Mitigation in Luo-Converter Using FPGA-Based Chaotic PWM Technique

机译：使用基于FPGA的混沌PWM技术降低Luo转换器中的电磁干扰频谱峰值

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摘要

Chaotic switching is a newly evolve randomization method which suppress the conducted electromagnetic interference generated within the DC-DC converter. It can also suppress the spectral peaks present in the frequency band effectively by spread spectrum technique and spread it over the wide range of frequency band implying electromagnetic interference (EMI) suppression. In this article, a chaotic pulse width modulation technique based on randomized carrier frequency modulation with fixed duty ratio is generated through field programable gate array for suppressing the conducted electromagnetic interference generated within the Luo-converter. A hardware prototype of Luo-converter is developed in order to analyze EMI reduction through power spectral density analysis by comparing both traditional periodic PWM switching and chaotic PWM switching. The results obtained from the hardware setup shows significant reduction of EMI with chaotic switching as compared to traditional pulse width modulation switching under both boost and buck operation of Luo-converter.
机译：混沌开关是一种新兴的随机化方法，可抑制DC-DC转换器内部产生的传导电磁干扰。它还可以通过扩频技术有效地抑制频段中存在的频谱峰值，并将其扩展到整个频段上，这意味着可以抑制电磁干扰（EMI）。在本文中，通过现场可编程门阵列产生了一种基于具有固定占空比的随机载波频率调制的混沌脉冲宽度调制技术，用于抑制在Luo转换器内产生的传导电磁干扰。开发Luo转换器的硬件原型是为了通过比较传统的周期PWM开关和混沌PWM开关来通过功率谱密度分析来分析EMI的降低。从硬件设置获得的结果表明，与在Luo转换器的升压和降压操作下的传统脉冲宽度调制开关相比，采用混沌开关的EMI大大降低。

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  • 来源
    《Electric Power Components and Systems》 |2019年第10期|838-848|共11页
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  • 作者单位

    Vellore Inst Technol Sch Elect Engn Dept Energy & Power Elect Vellore Tamil Nadu India;

    Sree Vidyanikethan Engn Coll Dept Elect & Elect Engn Tirupati Andhra Pradesh India;

    Univ Tenaga Nas Inst Power Engn Dept Elect Power Engn Jalan Ikram Uniten Kajang 43000 Malaysia;

    Aalborg Univ Dept Energy Technol Esberg Denmark;

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  • 正文语种 eng
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  • 关键词

    EMI; Luo-converter; chaotic PWM technique; FPGA; RCFMFD;

    机译：EMI;罗转换器;混沌PWM技术FPGA;农民工;

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