基于虚拟仪器的电能表射频电磁场抗扰度测试系统设计 labview-based test system design of watt-hour meter radio-frequency electromagnetic field immunity.pdfVIP

基于虚拟仪器的电能表射频电磁场抗扰度测试系统设计 电工电气 (2009 No. 2) 检验与测试 基于虚拟仪器的电能表射频电磁场抗扰度测试系统设计 1,2 1 2 赵波 ，封志明 ，赵敏 (1 江苏省计量科学研究院，江苏 南京 210007； 2 南京航空航天大学 自动化学院，江苏 南京 210016) 摘 要：针对IEC61000-4-3标准的要求，提出了一种新的利用LabVIEW软件开发环境构建电能表射 频电磁场抗扰度测试系统的方法。明确了系统的软硬件组成，分析了闭环校准、扫频测试、点频测试3 个主要测试模块，给出了测试流程图和主要界面，分析了设备连接和数据趋近算法2项关键技术。由于 LabVIEW的开放性，该系统只需进行简单的修改，可以应用于不同的测试要求和仪器配置中去。 关键词：电磁场抗扰度；测试系统；GTEM室；电能表 中图分类号：TM937.3 文献标识码：A 文章编号：1007-3175(2009)12-0043-04 LabVIEW-Based Test System Design of Watt-Hour Meter Radio-Frequency Electromagnetic Field Immunity 1,2  2 ZHAO Bo , FENG Zhi-ming , ZHAO Min Jiangsu Institute of Metrology, Nanjing 2 000, China; （1 2 College of Automation Engineering, Nanjing University of Aeronautics Astronautics, Nanjing 2 006, China ） Abstract: According to the requirement of IEC 61000-4-3 standard, a new method using LabVIEW to build test system of watt-hour meter radio-frequency electromagnetic field immunity was proposed. The system’s hardware and software compositions were nailed down. The three main testing modules like closed-loop calibration, frequency sweep test and dot frequency test were analyzed. The testing flowchart and the main interface were given. The equipment connection and the data convergence algorithm were analyzed. Because of the openness of LabVIEW program, this system is applicable to different test requirements with its parameters or programs adjusted. Key words: electromagnetic field immunity; test system; GTEM cell; watt-hour meter 0 引言