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首页> 外文会议>Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition >Novel multi-input solar PV topologies for 1-#x03C6; and 3-#x03C6; stand alone applications to mitigate the effects of partial shading
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Novel multi-input solar PV topologies for 1-#x03C6; and 3-#x03C6; stand alone applications to mitigate the effects of partial shading

机译：适用于1-φ和3-φ独立应用的新型多输入太阳能PV拓扑结构可减轻部分阴影的影响

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摘要

This paper proposes novel boost type inverter topologies and their control scheme for solar Photovoltaic (PV) applications. The proposed topologies provide a single power stage, low part count, highly efficient solution for 1-φ and 3-φ stand alone applications. A notable feature of the proposed topologies is that they facilitate splitting of a given PV source into two or more sub-parts by offering as many input ports. Thus, they offer excellent features with respect to optimal arrangement and configuration of the PV panels and maximum power extraction, which are especially beneficial under partially shaded conditions. For analysis of the control strategy, a model is derived for one of the sections of the proposed system, which is then extended for the controller design of the overall system. The plant pole cancellation and reference signal frequency information approach is used for the compensator design to track the reference signal that includes both AC and DC components. The compensators are designed for a fast dynamic response and accurate reference tracking. The topology modification for the three phase loads has also been analyzed and evaluated. The system is simulated and results show the ability of the proposed configuration to produce desired high quality supply, fed from split sub-sections of a PV source. A laboratory prototype is developed with available PV panels for 1-φ topology. Experimental results obtained from this prototype validate the analysis and simulated results.
机译：本文提出了新颖的升压型逆变器拓扑及其在太阳能光伏（PV）应用中的控制方案。拟议的拓扑为1-φ和3-φ独立应用提供了单功率级，低零件数，高效解决方案。拟议拓扑的一个显着特征是，通过提供尽可能多的输入端口，它们有助于将给定的PV源拆分为两个或更多子部分。因此，它们在PV面板的最佳布置和配置以及最大功率提取方面提供了出色的功能，这在部分阴影条件下特别有益。为了分析控制策略，为所建议系统的其中一个部分导出了一个模型，然后将其扩展以用于整个系统的控制器设计。工厂极点消除和参考信号频率信息方法用于补偿器设计，以跟踪包括交流和直流分量的参考信号。补偿器设计用于快速动态响应和精确的参考跟踪。还对三相负载的拓扑修改进行了分析和评估。对系统进行了仿真，结果表明，所提出的配置能够产生所需的高质量电源，该电源由PV电源的各个子部分提供。开发了一个实验室原型，并提供了用于1-φ拓扑结构的光伏面板。从该原型获得的实验结果验证了分析和模拟结果。

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