虚拟仪器技术在谐波检测系统中的应用研究

Application of virtual instrument technique to harmonic detecting system

指出了电力系统中谐波问题的严重性,并就常见的电力系统谐波的分析方法及优缺点进行了概括。重点阐述了采用傅里叶变换的方法对谐波进行检测和分析的原理,对虚拟仪器技术的特点和优点并与传统仪器分析技术进行了初步对比。最后,给出了基于虚拟仪器技术的电力系统谐波检测和分析系统的软、硬件组成,并简要分析了该系统的运行结果。

The seriousness of harmonic in power system was introduced , and those common analysis methods of it plus their advantages and disadvantages were briefly reviewed. The principle for harmonic detecting and analyzing based on Fourier transformation was focused on. Then features and advantages of virtual instrument techmique plus its differences from traditional instrument analyzing techniques were stated briefly. Finally, software/hardware components of harmonic detecting and analyzing system based on virtual instrument technique for power system were suggested, operation results of this system were also analyzed.