硬遮光模式对 I-V 性能曲线的影响分析

IF 1.204 Q3 Energy
Mohd Azlan Ismail, Nur Lyana Jasmin Adil, Farm Yan Yan, Nazrein Amaludin, Nuramalina Bohari, Sherena Sar-ee
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引用次数: 0

摘要

摘要 光伏(PV)组件上的复杂遮光对其发电量有不成比例的影响。在安装光伏组件时,尽量减少功率损耗至关重要,因为这会大大降低组件的性能和发电能力。为了降低功率损耗,最大限度地提高组件的功效,有必要对光伏组件硬遮阳的后果进行彻底研究。本文介绍了三种不同类型的光伏组件(全电池、半切割和瓦片光伏组件)在各种遮阳模式(水平、垂直和对角线)和遮蔽率(25%、50% 和 75%)下运行的背景和结果。实验在马来西亚的沙巴州进行。沙巴州属于热带气候,温度高、湿度大,全年太阳辐射水平稳定,非常适合太阳能生产。实验技术包括在各种遮阳模式和百分比下测试光伏组件,结果发现该技术在确定遮阳损失量方面非常准确,尤其是在硬遮阳的情况下。使用便携式光伏功率计(SEAWARD PV200)绘制了 I-V 和 P-V 曲线,将遮阳模式和百分比与光伏组件的最大功率点 (MPP) 和功率损耗联系起来,从而得出结论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Analysis of the Effects of Hard Shading Pattern on I–V Performance Curve

Analysis of the Effects of Hard Shading Pattern on I–V Performance Curve

Analysis of the Effects of Hard Shading Pattern on I–V Performance Curve

Complex shading on a photovoltaic (PV) module has a disproportionate impact on its power production. Minimizing power losses is critical in the installation of the PV module since it can greatly diminish the module’s performance and capacity to generate electricity. Thorough examination of the consequences of hard shading on the PV modules is necessary to lower power losses and maximize the module’s efficacy. This paper presents the background and findings from three different types of PV module (Full Cell, Half-Cut and Shingle PV module) operated under a variety of shading pattern (horizontal, vertical, and diagonal), and obscuring percentage (25, 50, and 75%). Experiments are conducted in a location at Sabah, a state located within Malaysia. Sabah which has a tropical climate with high temperatures and humidity, along with consistent level of solar radiation throughout the year making it well-suited for solar energy production. The experimental technique, which involved testing PV modules under various shading patterns and percentages, was found to be highly accurate in determining the amount of shading loss, particularly in instances of hard shading. The findings are presented by IV and PV curve that was traced by using a portable PV power meter (SEAWARD PV200) relating the pattern and percentage of shading to maximum power point (MPP) and power losses of the PV modules.

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来源期刊
Applied Solar Energy
Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment
CiteScore
2.50
自引率
0.00%
发文量
0
期刊介绍: Applied Solar Energy  is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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