基于DWT和SVM方法的35 kV光伏集电电缆早期故障辨识  

Early Fault Identification of 35 kV Photovoltaic Collector Cable Based on DWT and SVM Methods

作　　者：高志强 向东 杨培友 马恒 刘向阳 GAO Zhiqiang;XIANG Dong;YANG Peiyou;MA Heng;LIU Xiangyang(China Pingmei Shenma Group Tianyuan New Energy Co.,Ltd.,Pingdingshan 467000,China)

机构地区：[1]中国平煤神马集团天源新能源有限公司,河南平顶山467000

出　　处：《电工技术》2024年第21期117-119,123,共4页Electric Engineering

摘　　要：由于臭氧、紫外线辐射、剧烈温度变化、化学侵蚀等因素的影响,光伏集电电缆极易发生短路,给发电带来了严重的危害和损失。研究了一种基于DWT和SVM方法的35 kV光伏集电电缆早期故障辨识方法,在故障发生前期排查出潜在故障线路。最后通过PSCAD仿真验证了所提出的方法的准确性。Due to the influence of ozone,ultraviolet radiation,violent temperature change,chemical erosion,photovoltaic collector cables are easy to short circuit,bringing serious harm and loss to power generation.This paper studies an early fault identification method of 35 kV photovoltaic collector cable based on DWT and SVM methods which facilitates detection of the latent fault lines in early stage of fault occurrence.A PSCAD simulation verifies the accuracy of this method.

关 键 词：光伏集电电缆 潜在故障 DWT SVM 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]