基于虚拟仪器的故障录波及小电流接地选线实现  

Development of Fault Recorder and Fault Line Selection for Indirectly Grounding Power System Based on Virtual Instrument

作　　者：徐钦炜[1] 钟明悦[1] 李中西[1] 马志刚[1] 

机构地区：[1]西南交通大学电气工程学院,四川成都610031

出　　处：《电气开关》2010年第4期56-58,61,共4页Electric Switchgear

摘　　要：在虚拟仪器技术平台上,首先构建了虚拟故障录波器,然后应用小波变换中关于信号奇异性检测原理对虚拟故障录波器录取的故障数据进行处理,仿真实现了一种小电流接地选线的方法。该方法具有硬件结构简单、功能扩展方便等特点。Based on the technology of a virtual instrument,the virtual fault recorder has been built and according to the principle of signal singularity detection by wavelet transform which is used to process the fault data recorded by the virtual fault recorder,a fault line selection and location installation is developed.The installation has these characteristic：simple hardware structure、extending the function conveniently and so on.

关 键 词：虚拟仪器 小波变换 故障录波 故障选线 

分 类 号：TM769[电气工程—电力系统及自动化]