利用FPGA提高电能测量精度  

Improve the measurement accuracy of Energy Based on FPGA

作　　者：郑燕[1] 赫建国[1] 

机构地区：[1]西安邮电学院电子与信息工程系,陕西西安710121

出　　处：《微计算机信息》2008年第14期192-194,共3页Control & Automation

基　　金：陕西省自然科学基金(2005F09)项目名称:双极性光码多分址全光接入技术的研究基金

摘　　要：介绍了一种适合使用数字技术实现电能测量的方法,时延测量方法,并对系统产生误差的原因以及可能产生的影响进行了分析。利用可编程逻辑器件克服电压信号和电流信号分时测量所带来的误差,同时也提供了数据存储空间。实测证明设计的电路提高了总功率测量精度,并且结构简单,成本低廉。This paper introduces a suitable for the use of digital technology to achieve power measurement method, delay measurement method. System errors, as well as the reasons for the possible effects were analyzed. Use of programmable logic devices to overcome voltage and current signals by the time of measurement error, and also provided a data storage space. Measured circuit design that improved overall power measurement accuracy, and simple structure, low cost.

关 键 词：有功功率 无功功率 现场可编程逻辑阵列 微控制器 

分 类 号：TM933[电气工程—电力电子与电力传动]