Effects of current mismatch due to uneven soiling on the performance of multi-crystalline silicon module strings

被引：6

作者：

Vumbugwa, M. ^{[1
]}

McCleland, J. L. Crozier ^{[1
]}

van Dyk, E. E. ^{[1
]}

Vorster, F. J. ^{[1
]}

Serameng, T. J. ^{[2
]}

机构：

[1] Nelson Mandela Univ, Dept Phys, POB 77000, ZA-6031 Port Elizabeth, South Africa

[2] Eskom, Res Testing & Dev, Private Bag X40175, ZA-2022 Cleveland, South Africa

来源：

JOURNAL OF ENERGY IN SOUTHERN AFRICA | 2020年 / 31卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

non-uniform shading; modelling; thermal infrared imaging; I-V characteristics;

D O I：

10.17159/2413-3051/2020/v31i1a7571

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：

Photovoltaic (PV) module operation is critical in PV systems for optimum generation of electrical power. Modules installed in the field suffer uneven soiling caused by bird droppings and dust build-up on their front surface. This study investigated the impact of partial shading caused by non-uniform soiling on the electrical characteristics of multi-crystalline silicon (mc-Si) modules and strings, and compared this with simulated I-V parameters. Light and heavy uneven soiling on mc-Si solar cells resulted in current mismatch which can be simulated. The effects of partial soiling on the I-V characteristics of mc-Si module strings were experimentally measured and agreed with the simulated results.

引用

页码：62 / 72

页数：11

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