基于LabVIEW的电能质量监测系统及其数据存储格式的研究  

Research on Power Quality Monitoring System and Its Data Storage Format Based on LabVIEW

作　　者：王政[1] 刘国海[1] 沈跃 张钰 

机构地区：[1]江苏大学电气信息工程学院,江苏镇江212013 [2]机械工业设施农业测控技术与装备重点实验室,江苏镇江212013

出　　处：《电测与仪表》2013年第6期83-87,128,共6页Electrical Measurement & Instrumentation

基　　金：江苏高校优势学科建设工程资助项目(PAPD;苏政办发(2011)6号)

摘　　要：利用虚拟仪器技术,通过软硬件结合,设计了基于LabVIEW的电能质量监测系统。阐述了硬件设计方案,并重点讨论了电能质量稳态指标的分析方法,系统实现了对电能质量指标实时测量和分析、数据库存储和格式转换等功能。为了克服监测网中多数据源给电能质量数据统一管理分析带来的不便,系统采用IEEE推荐的PQDIF格式存储数据,详细介绍了LabVIEW软件生成PQDIF文件的方法。实验测试表明系统满足电网监测的需求,同时具备电网监测标准化和智能化的特点。A power quality monitoring system based on LabVIEW is designed by using the technique of virtual instrument through the combination of hardware and software.This paper mainly discusses the hardware designing proposal and the analytical methods of steady index for power quality.It realizes the functions of real-time measurement and analysis,data storage and convertion and waveform saving.In order to overcome multi-data sources,generated by different monitor equipments of power quality monitor network,to cause inconvenience to unified management and analysis of power quality data,the system adopts the storage data in PQDIF recommended by IEEE.A detailed specification of PQDIF file and its implementing method based on LabVIEW are presented.The experiment results show that the system can satisfy the requirement of power monitoring with the characteristic of standardization and intelligent.

关 键 词：电能质量 LABVIEW 监测系统 PQDIF 

分 类 号：TM933[电气工程—电力电子与电力传动]