A novel scheme for fault detection in PVmodules based on frequency response analysis

被引：1

作者：

Yokwana, X. P. ^{[1
]}

Mosetlhe, T. C. ^{[1
]}

Yusuff, A. A. ^{[1
]}

机构：

[1] Univ South Africa, Dept Elect & Min Engn, Florida, South Africa

来源：

2021 IEEE PES/IAS POWERAFRICA CONFERENCE | 2021年

关键词：

Photovoltaic Systems; Renewable energy sources; Fault detection; Large-scale PV systems;

D O I：

10.1109/POWERAFRICA52236.2021.9543311

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Fault detection and identification play an important role in the reliability and efficiency of any system. Large scale photovoltaic solar plants are susceptible to various types of faults which can affect total system performance. This is more so because, in a large-scale photovoltaic installation (LSPVI), solar panels are connected in series to produce photovoltaic (PV) panel string. In this work, we investigated the use of a scheme that is based on frequency mode excitation of PV strings to detect and differentiate faulty conditions from a shadow effect of a cloud. The results obtained show that the scheme can detect, differentiate and identify normal and cracked solar panel in a string.

引用

页码：161 / 165

页数：5

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