基于 NIOSII 的电能表现场校验仪系统设计

为了解决多路电压、电流同步交流采样以及运算精度不高的问题，设计开发了基于NIOSII的电能表现场校验仪。给出了系统架构、电压采集模块、电流采集模块、A／D转换模块、过零检测电路和软件开发流程。相对于传统的DSP或专用计量芯片实现方案，该设计具有设计灵活、处理速度快、运算精度高等特点。测试结果表明，该系统工作稳定、误差小。...

Full description

Saved in:
Bibliographic Details
Published in电测与仪表 Vol. 51; no. 17; pp. 6 - 11
Main Author 张庆辉 崔勇 张强
Format Journal Article
LanguageChinese
Published 河南工业大学郑州450001%华北电力大学经济与管理学院 北京 102206%郑州瑞能电气有限公司郑州450001 2014
Subjects
现场校验仪
系统设计
误差校准
error calibrating
field calibrator
system designing
现场校验仪
系统设计
NIOSII
误差校准
Online AccessGet full text
ISSN1001-1390

Cover

More Information
Summary:为了解决多路电压、电流同步交流采样以及运算精度不高的问题，设计开发了基于NIOSII的电能表现场校验仪。给出了系统架构、电压采集模块、电流采集模块、A／D转换模块、过零检测电路和软件开发流程。相对于传统的DSP或专用计量芯片实现方案，该设计具有设计灵活、处理速度快、运算精度高等特点。测试结果表明，该系统工作稳定、误差小。
Bibliography:NIOSII;field calibrator;NIOSII;system designing;error calibrating
To solve the problems of alternating current and voltage synchronous sampling and low operational preci -sion, a NIOSII based field calibrator for electric energy meters has been developed and designed in this paper .The o-verall structure of the system , the voltage sampling module , the current sampling module , the A/D conversion module and the zero-crossing detecting circuit as well as the software developing flow have been presented .Comparing with the traditional implementing strategy of DSP or special metering IC , the proposed design is flexible and will offer rapid and accurate performance .The results of test indicate that the system will operate stably and accurately .
23-1202/TH
ZHANG Qing-hui, CUI Yong, ZHANG Qiang （ 1. Henan University of Technology, Zhengzhou 450001, China. 2. School of Economics and Management, North China Electric Power University, Beijing 102206, China. 3. Zhengzhou Runner Electric CO. LTD. , Zhengzhou 450001, Ch
ISSN:1001-1390