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首页> 外文期刊>Power Electronics, IEEE Transactions on >Analysis of CM Volt-Second Influence on CM Inductor Saturation and Design for Input EMI Filters in Three-Phase DC-Fed Motor Drive Systems
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Analysis of CM Volt-Second Influence on CM Inductor Saturation and Design for Input EMI Filters in Three-Phase DC-Fed Motor Drive Systems

机译：三相直流馈电电动机驱动系统中CM伏秒对CM电感饱和的影响分析和输入EMI滤波器的设计

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摘要

Common-mode (CM) choke saturation is a practical problem in CM filter applications. It is generally believed that the leakage inductance of CM chokes makes the core saturated. This paper analyzes two new mechanisms for CM choke saturation due to CM voltage, and these mechanisms are verified in experiment. CM choke saturation is particularly important for motor drive systems, which have a high CM voltage and comparably higher stray grounding capacitance. A model is established to describe the relationship between the CM voltage and the volume of the CM magnetic components. According to the analysis, line impedance stabilization networks (LISNs) play an important role in the design of CM magnetic components.
机译：在CM滤波器应用中，共模（CM）扼流圈饱和是一个实际问题。通常认为，CM扼流圈的漏感会使铁芯饱和。本文分析了由于CM电压引起的CM扼流圈饱和的两种新机制，并在实验中进行了验证。 CM扼流圈饱和度对于具有高CM电压和相对较高的杂散接地电容的电机驱动系统尤为重要。建立一个模型来描述CM电压和CM磁性元件的体积之间的关系。根据分析，线阻抗稳定网络（LISN）在CM磁性元件的设计中起着重要作用。

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