考虑电磁兼容特性下电动汽车直流充电桩测试装置的模块化设计及应用  

Modular design and application of field test device for DC charging pile of electric vehicle considering EMC characteristics

作　　者：张晶 康锦萍[2] 李涛永 李斌 张元星 赵海森[2] ZHANG Jing;KANG Jinping;LI Taoyong;LI Bin;ZHANG Yuanxing;ZHAO Haisen(Beijing Engineering and Technology Research Center of Electric Vehicle Charging/Battery Swap,China Electric Power Research Institute Co.,Ltd.,Beijing 100192,China;School of Electrical and Electronic Engineering,North China Electric Power University,Beijing 102206,China)

机构地区：[1]中国电力科学研究院有限公司北京市电动汽车充换电工程技术研究中心,北京100192 [2]华北电力大学电气与电子工程学院,北京102206

出　　处：《电力自动化设备》2022年第2期70-76,共7页Electric Power Automation Equipment

基　　金：北京市电动汽车充换电工程技术研究中心开放基金资助项目(YD83-19-003)。

摘　　要：直流充电桩现场测试装置内部为强弱电相结合,易产生电磁干扰而影响装置正常工作,降低测量精度。为了抑制测试装置内部的电磁干扰问题,分析了非平行传输线缆的电磁串扰,并在不同参数下进行了串扰仿真计算,同时利用ANSYS Maxwell电磁场仿真软件进行电磁屏蔽仿真及方案设计。基于上述方案研发了一套用于现场测试的模块化直流充电桩测试装置,其包含电源模块、计量模块、通信模块、控制模块和中央处理单元共5个子模块,实现了测试装置的紧凑化装配及模块化连接,并通过硬件结构和安装布局实现设计及现场应用。现场测试结果表明该装置通信稳定、运行可靠,电气量参数测试精度满足设计要求。The field test device of DC charging pile combines strong and weak current,which is easy to produce electromagnetic interference,affecting the normal operation of the device and reducing the measurement accuracy.In order to suppress the electromagnetic interference in the test device,the electromagnetic crosstalk of non-parallel transmission cables is analyzed,and the crosstalk is calculated by simulation under different parameters.At the same time,the electromagnetic shielding simulation and scheme design are carried out by using ANSYS Maxwell electromagnetic field simulation software.Based on the above scheme,a modular DC charging pile test device suitable for field test is developed,which is equipped with five sub modules including power module,metering module,communication module,control module and central processing unit.The compact assembly and modular connection of the test device are realized.The design and field application are realized through the hardware structure and installation layout.The field test results show that the device has stable communication and reliable operation,and the accuracy of electrical parameter test meets the design requirements.

关 键 词：电动汽车 直流充电桩 电磁兼容 电磁屏蔽 模块化设计 

分 类 号：U469.72[机械工程—车辆工程]