摘要
提出了一种新型的工控机和虚拟仪器技术相结合的电网故障在线监测系统的设计方案,介绍了该系统的硬件和软件设计,讨论了故障类型判别、频率测量和谐波分析的方法,提高了系统的总体性能。
A new system for power grid faulted monitoring and analysing based on industrial controlling computer and virtual instrument is introduced. The hardware and software design, the method of faulted phase judgment, the frequency measurement and the harmonic monitoring are described. The performances of system are improved greatly.
出处
《电气自动化》
2009年第6期74-75,84,共3页
Electrical Automation
关键词
虚拟仪器
在线监测
故障判别
virtual instrument on-line monitoring faulted phase judgment