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首页> 外文期刊>Renewable Power Generation, IET >Investigation of the effects of homogeneous and heterogeneous solar irradiations on multicrystal PV module under various configurations
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Investigation of the effects of homogeneous and heterogeneous solar irradiations on multicrystal PV module under various configurations

机译：研究不同配置下均质和非均质太阳辐射对多晶光伏组件的影响

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摘要

This research work investigates the power-voltage (P-V) and current-voltage (I-V) characteristics of multicrystal photovoltaic (PV) module, connected in series, parallel and series-parallel configurations. The modular characteristics of PV module have been performed under homogeneous and heterogeneous conditions. The experimental and simulation results indicate that for a given number of PV modules, the array configurations affect the maximum available output power and more local maxima are found under partially shaded conditions. The analysis of bypass diodes effect has been carried out under partial shadings on the PV module strings. The obtained results reveal that, the presence of bypass diodes allow the unshaded modules of all the series assemblies to conduct their maximum currents at a given solar radiation and temperature. Moreover, the comparative analysis of PV module has been carried out for different configurations under the above disturbances. Maximum output power is obtained, when PV modules are configured parallelly, even under shading conditions. The specifications of the PV module have been obtained from the manufacturer datasheet (KC200GT) for these investigations.
机译：这项研究工作研究了串联，并联和串并联配置的多晶光伏（PV）模块的电源电压（P-V）和电流电压（I-V）特性。 PV模块的模块特性已在同质和异质条件下执行。实验和仿真结果表明，对于给定数量的PV模块，阵列配置会影响最大可用输出功率，并且在部分阴影条件下会发现更多局部最大值。旁路二极管效应的分析已在光伏模块串的部分阴影下进行。获得的结果表明，旁路二极管的存在允许所有串联组件的未遮蔽模块在给定的太阳辐射和温度下传导其最大电流。此外，在上述干扰下对不同组件的光伏组件进行了比较分析。当光伏模块并联配置时，即使在遮光条件下，也可获得最大输出功率。光伏组件的规格已从制造商数据表（KC200GT）中获得，用于这些研究。

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