红外制冷机驱动系统的电磁干扰滤波器设计与仿真
投稿时间:2019-11-06  修订日期:2019-11-06  点此下载全文
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作者单位E-mail
张家昆 中国科学院上海技术物理研究所 zhangjiakun2008@163.com 
杨宝玉 中国科学院上海技术物理研究所 byyang@mail.sitp.ac.cn 
孙德新 中国科学院上海技术物理研究所  
基金项目:国家重点研发计划资助(2016YFB0500400), 国家自然科学基金项目(No.51806231)
中文摘要:完成了红外制冷机驱动系统滤波器的设计与仿真。针对系统关键器件的特性,采用合理算法建立精确的联合仿真模型。并借助联合仿真模型提取分析了系统的干扰机理。基于阻抗失配理论分析了不同滤波器拓扑的插入损耗与源和负载阻抗间的关系。最终提出了一套基于干扰机理的传导干扰滤波器设计及优化方法,该方法有效地优化了滤波器的性能,并降低了设计冗余。通过实验验证了该方法的准确性与可行性。
中文关键词:红外制冷机  联合仿真模型  干扰机理  电磁干扰滤波器设计
 
Design and Simulation of a EMI Filter for Infrared Cryocooler Driving System
Abstract:The EMI filter of infrared cryocooler driving system was designed and simulated. With considering the characteristic of the crucial device in system, the co-simulation model of the system was built by using the appropriate algorithm. The interference mechanism was extracted and analyzed with the assist of the co-simulation model. Based on the impedance mismatch theory, the relationship of the filter performance and the impedance of the source and load was analyzed. Finally, based on interference mechanism, a method for filter design and optimization was raised, and it can optimize the filter’s performance and reduce redundancy effectively. A test was established and proved the feasibility and accuracy of the method.
keywords:infrared cryocooler, co-simulation model, interference mechanism, EMI filter design
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