采用波形比较法的串联故障电弧快速诊断技术

提出了一种采用电流波形比较法的串联故障电弧快速诊断技术.根据设备或线路发生串联故障电弧时线路电流波形发生畸变的特征,通过计算相邻两电流波形之间的差异值,有效提取出故障电弧电流波形的畸变量信号,诊断出线路中可能出现的故障电弧.试验结果表明,该方法算法简单可靠、易于实现,具有对故障电弧快速识别的能力,能够有效地实现对串联故障电弧的快速诊断.

Rapid Diagnosis Technique of Series Fault Arc Using Waveform Comparison Method

An fault arc rapid diagnosis method based on current waveform comparison method was presented. According to the characteristics that the line current waveform would distort when series fault arc occurred in line, the fault arc was diagnosed by the distortion signal extracted in fault arc current waveform due to the difference value calculated between the two adjacent current waveforms. The experimental results show that the algorithm is simple and easy to realize, this method has the capability to recognize the fault are rapidly, and can achieve the series fault are diagnosis effectively.