摘要
对发电机定子绕组3种典型局部放电信号进行了研究,得到放电脉冲信号波形及频谱。设计了基于LabVIEW的发电机局部放电检测系统,针对局部放电信号特点,设计了数字滤波和脉冲时延鉴别等抗干扰技术,这是实现发电机定子绕组局部放电检测的关键环节。应用该方法可准确测量所述3种典型放电信号。
Three kinds of typical partial discharge signals of generator stator windings are studied, and the discharge pulse waveform and frequency spectrum are obtained. A LabVIEW-based detection system for partial discharge of generator stator windings is designed. Aiming at the characteristics of partial discharge signals, the anti-disturbing techniques of digital filter and pulse-delay discrimination are designed. These techniques are the key to the realization of the detection system for generator stator windings, and to the accurate detection of the three kinds of typical partial discharge signals.
出处
《水电自动化与大坝监测》
2008年第1期62-64,共3页
HYDROPOWER AUTOMATION AND DAM MONITORING
