基于LabVIEW的煤矿电压质量在线监测系统设计  

Design of online monitoring system of coal mine voltage quality based on LabVIEW

作　　者：李金喜 陈继永 

机构地区：[1]江苏工程职业技术学院航空工程学院,江苏南通221006 [2]江苏工程职业技术学院机电工程学院,江苏南通221006

出　　处：《工矿自动化》2016年第8期80-84,共5页Journal Of Mine Automation

基　　金：南通市科技计划项目(CP22014001)

摘　　要：针对煤矿电网日益严峻的供电质量问题,采用信号调理电路、数据采集卡及LabVIEW虚拟仪器技术设计了一套煤矿电压质量在线监测系统。仿真及测试表明,该系统实现了井下电源电压质量的在线监测,具有实时显示波形,测量电压、频率、谐波、三相电压不平衡度、电压波动与闪变等指标参数,保存并分析采集数据等功能,测量准确,可靠性高,具有一定的实用性。In view of increasingly serious problem of power supply quality of coal mine power grid,an online monitoring system of coal mine voltage quality was designed by use of signal processing circuit,data acquisition unit and technology of virtual instrument of LabVIEW.Simulation and test results show that the system realizes online monitoring of power supply voltage quality of underground power grid,has functions of wave display in real time,measurement of parameters of voltage,frequency,harmonics,three-phase voltage unbalance factor,voltage fluctuation and flicker,data storage and data analysis,and is good in measurement accuracy and high in reliability with practice.

关 键 词：煤矿电网 电压质量 在线监测 三相电压不平衡度 电压波动与闪变 信号调理 LABVIEW 

分 类 号：TD608[矿业工程—矿山机电]