基于虚拟仪器的多功能电能质量标定仪研究  

Study on Multi-function Electric Power Quality Gauged Instrument Based on Virtual Instrument

作　　者：査志民 郝玲玲[2] 李令冬[1] 葛芦生[2] 戴冬明[1] 

机构地区：[1]上海宝钢安大电能质量有限公司,上海201901 [2]安徽工业大学,安徽马鞍山243002

出　　处：《现代电子技术》2008年第18期191-194,共4页Modern Electronics Technique

摘　　要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案,采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用FPGA实现高速数字量采集、D/A转换及4通道模拟量输出、非对称同步控制FIFO等的集成信号发生单元,阐述利用VC编程实现的电力系统多样信号的产生流程,分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级,由于其准确性和多功能性将加快电能质量标定的步伐。A kind of design project of multi -function electric power quality gauged instrument based on virtual instrument is put forward in this article. This system integrates virtual instrument programming and power electronics together, to realize diverse signals of current electric power quality field all - in one. The integrated signal generator unit which carries out the collection of high speed digital data,D/ A conversion and analog output in four channels,unsymmetrical synchro control FIFO etc. by FPGA are introduced, the flow of electric power system various signal which generates by VC programming is elaborated,and the structural design of signal amplification unit is analysed. The experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

关 键 词：虚拟仪器 FPGA 信号发生器 VC^++6.0 

分 类 号：TP217[自动化与计算机技术—检测技术与自动化装置]