Fault diagnosis of circuit breaker based on improved dynamic time warping algorithm
-
摘要: 为能够根据断路器状态监测数据准确诊断断路器故障,提出了一种基于改进动态时间规整算法的故障诊断方法。该方法将SakoeChiba窗与传统动态时间规整算法相结合,以分合闸线圈电流为分析对象,从中提取断路器分合闸机构中的潜在故障信息,为断路器状态检修提供依据。设计了断路器分合闸线圈电流采集电路,并通过实际电流信号采样分析验证了所提方法的有效性。
-
关键词:
- 断路器 /
- 故障诊断 /
- 动态时间规整 /
- Sako-Chiba窗
Abstract: In order to accurately diagnose the fault of circuit breaker according to its condition monitoring data, a fault diagnosis method of circuit breaker based on improved dynamic time warping algorithm was proposed. The method combines Sakoe-Chiba window with traditional dynamic time warping algorithm, takes opening/closing coil current as analysis object, and extracts potential fault information of the circuit breaker opening/closing mechanism, provides basis for condition maintenance of circuit breaker. Current acquisition circuit of opening/closing coil of breaker was designed, and the effectiveness of the proposed method was verified through actual current signal sampling and analysis.-
Key words:
- circuit breaker /
- fault diagnosis /
- dynamic time warping /
- Sakoe-Chiba window
点击查看大图
计量
- 文章访问数: 42
- HTML全文浏览量: 11
- PDF下载量: 4
- 被引次数: 0