电器与能效管理技术 ›› 2018, Vol. 0 ›› Issue (10): 80-84.doi: 10.16628/j.cnki.2095-8188.2018.10.014

• 试验装置 • 上一篇    下一篇

光伏系统直流故障电弧检测装置的研制

夏明晔, 薛峰, 谭飞, 管瑞良   

  1. 常熟开关制造有限公司(原常熟开关厂),江苏 常熟 215500
  • 收稿日期:2018-04-22 出版日期:2018-05-30 发布日期:2020-03-24
  • 作者简介:夏明晔(1982—),男,工程师,主要从事光伏系统电力电子产品开发。 薛 峰(1980—),男,高级工程师,主要从事光伏系统电力电子产品开发。 谭 飞(1982—),男,工程师,主要从事光伏系统电力电子产品开发。

Development of DC Arc Fault Detecting Device in PV System

XIA Mingye, XUE Feng, TAN Fei, GUAN Ruiliang   

  1. Changshu Switchgear Manufacturing Co.,Ltd.(Former Changshu Switchgear Plant),Changshu 215500,China
  • Received:2018-04-22 Online:2018-05-30 Published:2020-03-24

摘要: 分析了光伏系统直流侧故障电弧检测的研究现状,并结合常用的时、频域检测方法,对不同光伏系统及运行工况进行直流故障电弧的检测测试。通过测试结果,总结了直流故障电弧的时、频域特性,以及不同系统、工况对直流故障电弧检测的影响。最后,提出一种支持向量机与自适应消谐波相结合的直流故障电弧检测方法,并研制了光伏系统直流故障电弧检测装置,可用于不同光伏系统及工况下的直流故障电弧检测,同时验证了装置的有效性。

关键词: 光伏系统, 直流故障电弧, 支持向量机, 自适应消谐波

Abstract: This paper analyzed the current situation of the research on DC arc fault detection in PV system.With common time-frequency domain detecting method,it did the DC arc fault detection and test in different PV system and the operating conditions.Based on the test results,the paper summarized the time-frequncy domain characteristic of DC arc fault,and the influence of different system and condition on DC arc fault detection.Finally,a DC arc fault detecting device of PV system was developed,which can used in DC arc fault detection inter different PV system and working condition.The effectiveness of the device was verified.

Key words: photoweltaic system, DC arc fault, support vector machine, adaptive harmonic cancellation

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