电源EMI滤波器的选用原则及安装注意事项
Selection Principles and Installation of Power Supply EMI Filter
摘要 基于额定电压、额定电流、漏电流、阻抗匹配、频率特性、插入损耗等滤波器参数,阐述了滤波器选用的重要原则,同时对一些主要指标给出了实际选用时的综合考虑,并详细介绍了滤波器使用及安装方面的注意事项,为工程实际应用提供借鉴。
关键词 插入损耗;漏电流;阻抗匹配;频率特性
Abstract Based on the filter parameters such as rated voltage, rated current, leakage
current, impedance matching, frequency characteristics, insulation resistance, ripple
coefficient, insertion loss and physical size and weight, the principle of filter selection is
introduced in detail. For some main criterions of filter selection, a comprehensive
consideration is proposed. On the basis of previous principle, the installation notes of
filter are introduced for reference in engineering application.
Keywords insertion loss;leakage current;impedance matching;frequency characteristics
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