江苏省科技期刊可视化阅读平台

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江苏科技信息 ›› 2016, Vol. 33 ›› Issue (9): 61-63.doi: 10.3969/j.issn.1004-7530.2016.09.027

• 论文 • 上一篇    下一篇

光伏系统用直流电弧故障保护方法初探

孙萦杰, 邵俊松, 张岩   

  1. 常州加伏沃新能源科技有限公司,江苏常州,213164;南京中医药大学,江苏南京,210023
  • 出版日期:2016-03-25 发布日期:2016-03-25

Research on DC Arc Fault Protection for Photovoltaic System

Sun Yingjie, Shao Junsong, Zhang Yan   

  • Online:2016-03-25 Published:2016-03-25

摘要： 太阳能光电产品越来越广泛地为家庭或公司所使用，但是，太阳光电产品可能带来的火灾意外也引起了大众的重视。研究发现多数电气火灾的发生原因皆指向故障电弧，文章根据光伏直流弧光故障发生过程，以及参考其他弧光故障检测方法，通过多频段动态筛选，自适应频率检测的方式，在光伏输出直流侧电压电流信号中通过可调的DSP滤波器，过滤掉逆变器的干扰信号和可能的误触发信号，并检测出直流光伏弧光故障的特殊信号。

关键词: 光伏系统, 故障电弧, 保护装置

Abstract: Solar photovoltaic products are widely used by families or companies, but at the same time, solar photovoltaic products may also bring fire accidents. Studies have found that most of the electrical fires resulting from“fault arc”. According to the photovoltaic DC arc fault process, as well as the reference of other arc fault detection methods, the paper filtrates multiband dynamics and detects adaptive frequency with the help of the adjustable DSP filter, aiming at filtering out interference signal to the inverter and the possible error trigger signal, and meanwhile detecting the photovoltaic DC arc fault of special signal .