A Study on the Performance of PV Modules in Snowy Conditions Considering Orientation of Modules

2020 IEEE Canadian Conference on Electrical and Computer Engineering (CCECE) Pub Date : 2020-08-30 DOI:10.1109/CCECE47787.2020.9255738

E. Mohammadi, Javad Khodabakhsh, G. Moschopoulos, R. Fadaeinedjad

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引用次数: 2

Abstract

The performance of a photovoltaic (PV) system is significantly affected in snowy conditions. Snow accumulation on a PV module causes the shadow on the module and as a result the irradiance level received by the module and its generated power are reduced. During the snow removal and snow sliding on a PV module, its performance can be different considering the module landscape or portrait orientations, the number and location of bypass diodes, used in the module. In the present study, a snow-covered PV module is modeled using MATLAB/Simulink software considering the snow sliding as the snow removal process. A commercial PV module with three bypass diodes is modeled and its performance is investigated in snowy conditions considering portrait and landscape orientations. The result of the study shows how the module orientation and bypass diodes affect the performance of the PV system in snowy conditions. The results of the study can be considered as practical guidelines for installing different PV modules in snowy conditions.

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考虑组件朝向的积雪条件下光伏组件性能研究

在积雪条件下，光伏系统的性能受到很大影响。光伏组件上的积雪会在组件上产生阴影，从而降低组件接收到的辐照度和产生的功率。在光伏组件的除雪和滑雪过程中，考虑到组件的横向或纵向方向，模块中使用的旁路二极管的数量和位置，其性能可能会有所不同。在本研究中，利用MATLAB/Simulink软件对积雪光伏组件进行建模，将积雪滑动作为除雪过程。建立了一种具有三个旁路二极管的商用光伏组件模型，并研究了其在雪天条件下纵向和横向的性能。研究结果显示了组件方向和旁路二极管对雪天条件下光伏系统性能的影响。研究结果可以作为在雪天条件下安装不同光伏组件的实用指南。

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2020 IEEE Canadian Conference on Electrical and Computer Engineering (CCECE)

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