辐照和温度对改性SEPIC转化器性能的影响

Q3 Engineering

WSEAS Transactions on Power Systems Pub Date : 2023-10-04 DOI:10.37394/232016.2023.18.16

Abdel-Karim Daud, Sameer Khader

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引用次数: 0

摘要

由于全天环境温度和辐照水平的变化，太阳的位置和性质不断变化，这是光伏(PV)系统的主要难点。这会导致功率水平的波动。因此，在这些条件下，最大功率点跟踪(MPPT)是主要的挑战。本文提出了一种在任何太阳辐照和电池温度下直接在最大功率点(MPP)运行的新方法，而无需对该点进行进一步的数学处理。将该技术应用于包含高静增益的改进单端初级线圈MSEPIC变换器的光伏系统中，该变换器具有高效率和高增益电压的特点。在巴勒斯坦希伯伦的不同气候条件下，获得了该变换器在负载和输出电压变化方面的性能。本系统选用太阳能板型号LG450N2W-E6作为光伏发电机组，功率450w，电压41.1 V。在Matlab/Simulink和m-file代码中对所提出的模型进行了分析和仿真。

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Irradiation and Temperature effects on Modified SEPIC Converter Performance for PV Systems

The changing position and nature of the sun due to changes in ambient temperature and irradiance level throughout the day is the main difficulty with photovoltaic (PV) systems. This leads to fluctuations in power levels. Therefore, maximum power point tracking (MPPT) under these conditions is the main challenge. This paper proposes a new approach for directly operating at the maximum power point (MPP) at any value of solar irradiation and cell temperature without applying further mathematical processing to operate at that point. This technique is applied to a PV system containing a high-static-gain modified single-ended primary coil MSEPIC converter, which is characterized by high efficiency and high gain voltage. The performance of this converter is obtained with respect to load and output voltage variation under different climatic conditions in Hebron, Palestine. Solar panel type LG450N2W-E6 is selected as the PV generator in this system with 450 W at 41.1 V at MPP. The proposed model is analyzed and simulated in Matlab/Simulink, and m-file code.

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来源期刊

WSEAS Transactions on Power Systems Engineering-Industrial and Manufacturing Engineering

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： WSEAS Transactions on Power Systems publishes original research papers relating to electric power and energy. We aim to bring important work to a wide international audience and therefore only publish papers of exceptional scientific value that advance our understanding of these particular areas. The research presented must transcend the limits of case studies, while both experimental and theoretical studies are accepted. It is a multi-disciplinary journal and therefore its content mirrors the diverse interests and approaches of scholars involved with generation, transmission & distribution planning, alternative energy systems, power market, switching and related areas. We also welcome scholarly contributions from officials with government agencies, international agencies, and non-governmental organizations.