中文摘要：

为推进光伏系统直流端故障电弧检测技术的发展,概述了光伏系统直流端故障电弧产生的原因及分类,对当前光伏系统故障电弧检测的研究内容、成果及发展方向进行了调研,并分析与其他领域内直流故障电弧特性的差异,着重讨论了基于电流、电压波形和基于频率特性的检测原理和检测方法,最后对光伏系统故障电弧检测技术进行了展望.

英文摘要：

In order to boost the development of DC arc detection technology of PV system, the reasons and classification of arc fault in the DC-wiring of PV systems were overviewed. Based on the summary of the research, results and future direction of DC arc fault detection in PV systems, the different characteristics of DC arc with that in other areas were also analyzed. The methods of arc fault detection were discussed respectively based on the current voltage waveforms and frequency characteristics. Finally, the arc fault detection methods for photovoltaic systems were prospected.