一种用于有源电力滤波器的实时监控系统

Implementation of realtime monitoring system for Active Power Filter

介绍了一种用于有源电力滤波器(ActivePowerFilter———APF)的计算机实时监控系统。该系统运用VC++的多线程编程技术,实现了不间断采样和实时数据处理的高速并行操作,从而能对APF系统进行高采样率的谐波分析和更完整可靠地故障实时录波,具有较高的实时性。此外,软件设计中引入DAQBench工控ActiveX组件,加强了监控软件界面与功能的专业性。实验表明,此监控系统能对APF进行有效的监控和保护,提高了APF系统的可靠性与自动化水平。

A realtime computer monitoring system for Active Power Filter (APF)is intro-duced in this paper.Being the adoption of multithread programming approach which re-alizes high speed parallel operation of continuous sample and realtime processing,this monitoring system is able to do harmonics analysis for APF system with higher sample speed and realtime malfunction waveform record with higher integrality,and has better realtime performance as well.Besides,the DAQBench ActiveX components for industrial control are imported to enhance specialization of the user interfaces and functions of the monitoring software.The result of experiment has proved that the monitoring system can monitor and protect APF effectively,and can greatly improve reliability and automa-tion level of APF system.