EMC Design of Electric Operating System for Miniature Circuit Breaker

LIU Jian-bin; JIANG Yan-feng; LI Sha; ZHANG Zhe

doi:10.3969/j.issn.0372-2112.2020.05.011

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EMC Design of Electric Operating System for Miniature Circuit Breaker

更新时间：2025-07-16

- EMC Design of Electric Operating System for Miniature Circuit Breaker
- Acta Electronica Sinica Vol. 48, Issue 5, Pages: 914-921(2020)
- 作者机构：
  
  1. 无锡太湖学院江苏省物联网应用技术重点建设实验室,江苏,无锡,214064
  2. 江南大学物联网应用技术教育部工程研究中心,江苏,无锡,214122
  3. 无锡太湖学院江苏省物联网应用技术重点建设实验室,江苏,无锡,214064
  4. 江南大学物联网应用技术教育部工程研究中心,江苏,无锡,214122
- 作者简介：
- 基金信息：
  
  Natrual Science Research Program in Universities of Jiangsu Province (No.18KJB510045);Fund of Jiangsu Key Construction Laboratory of Internet of Things Application Technology (No.18WXWL05)
- DOI：10.3969/j.issn.0372-2112.2020.05.011
  CLC： TN86
- Published Online：25 May 2020，
  
  Published：2020
- 稿件说明：
移动端阅览
LIU Jian-bin, JIANG Yan-feng, LI Sha, et al. EMC Design of Electric Operating System for Miniature Circuit Breaker[J]. Acta Electronica Sinica, 2020, 48(5): 914-921.
DOI：

LIU Jian-bin, JIANG Yan-feng, LI Sha, et al. EMC Design of Electric Operating System for Miniature Circuit Breaker[J]. Acta Electronica Sinica, 2020, 48(5): 914-921. DOI： 10.3969/j.issn.0372-2112.2020.05.011.

摘要

为实现对微型断路器误动作的弥补，本文设计了一种与微型断路器配套使用的电动操作系统.该设计属于机电一体化产品，测试标准对标欧盟家用电器、电动工具或类似器具的电磁兼容标准EN55014.本文重点关注其中4类指标：发射干扰EMI（Electron-Magnetic Interference），抗干扰性EMS（Electron-Magnetic Susceptibility），谐波干扰Harmonic，电压扰动Flicker.通过设计高集成、谐波强衰减、高抗浪涌能力的低通滤波器，采用准谐振软开关技术及分时变频的控制策略，优化的PCB（Printed Circuit Board）布局布线，实现对电磁兼容性的优化，并在第三方检测机构测试通过，获得CE认证.

Abstract

An electric operation system matched with the miniature circuit breaker is designed in order to compensate for the mis-operation of miniature circuit breaker. The breaker is a kind of mechatronic products and European Union EMC standard EN55014 is required. For the design in the paper

four characteristics are mostly concerned: EMI

EMS

Harmonic and Flicker. The strategies in the design include three aspects. The first one is using the low-pass filter with high integration

strong harmonic attenuation and high surge resistance. The second one is the quasi resonant soft switch technology and time-sharing frequency conversion control strategy. The third one is optimizing the PCB layout and the wiring. Finally

the designed breaker reaches the critical standards and obtains the qualified CE certification.

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