Analysis of electromagnetic interface filters for power systems and telephone lines
Analysis of electromagnetic interface filters for power systems and telephone lines
复制标题
电力系统和电话线电磁接口滤波器分析
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
M. kumar
中科院分区：
文献类型：
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作者：
J. Ismaeel;T. Jayanthy;M. Sugadev;M. kumar
EMI包括任何不需要的、杂散的、传导的或辐射的电源信号，这些信号可能导致设备性能下降。由于这些问题，所有组件都必须符合规范，以确保电磁兼容性（EMC），并且有许多设计方法可用于防止EMI。EMI源可以是传输、分配、处理或利用任何形式的电能的任何设备，其中其操作的某些方面生成可能导致设备性能降级的传导或辐射信号。当怀疑诱导时，有几种缓解方法。电缆可替换为更有效的屏蔽类型。在无法用屏蔽型电缆替代特殊电缆的情况下，重新布线或增加电缆束之间的距离可能是一种解决方案。通过仔细分析布线和连接，包括电动床或其他设备与受影响设备之间存在的潜在回路，通常可以减少或消除传导干扰。为输入和电源添加滤波器是另一种可能的解决方案。本文介绍了几种可用于消除电力线和电话线噪声的EMI滤波器。
EMI consists of any unwanted, spurious, conducted, or radiated signals of electrical origin that can cause degradation in equipment performance. Because of these problems, all components must comply with specifications to ensure electromagnetic compatibility (EMC), and there are numerous design methods that can be used to prevent EMI. An EMI source can be any device that transmits, distributes, processes, or utilizes any form of electrical energy where some aspect of its operation generates conducted or radiated signals that can cause equipment performance degradation. When induction is suspected, there are several approaches to mitigation. Cabling can be replaced with more effectively shielded types. In cases where the substitution of special cabling with a shielded type is not possible, rerouting or increasing the distance between cable bundles may offer a solution. Interference by conduction can usually be reduced or eliminated by a careful analysis of wiring routing and connections, including potential loops existing between electrically powered beds or other devices and the affected equipment. Adding filters to inputs and power sources is another possible solution. This paper describes some EMI filters that can be used to remove noise in powerline and telephone lines.