真空断路器振动信号特征提取技术研究

The Feature Extraction Technology of Vacuumcircuit Breaker Based on Vibration Signal

断路器是电力系统中的重要组成部分。针对真空断路器,提出了基于多种信号分析方法的特征提取技术,并通过这些特征有效描述了它的振动特性。此外,通过支持向量机建立振动特征与具体故障之间的联系,为断路器振动故障的预诊打下了基础。

The circuit breaker is an important part of the power system.For vacuum circuit breakers,this paper proposes a feature extraction technology based on a variety of signal analysis methods.These features can effectively represent the vibration characteristics.In addition,with the help of support vector machine algorithm,we can build a model which can well predict the causes of the circuit breaker failures via these features.