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-  2018 

双面光伏高效发电的支架结构及控制 Research on tracker structure and control of bifacial photovoltaic system with high-efficiency power generation

Keywords: 单轴跟踪,反射器,双面光伏电池,转动频次

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Abstract:

当前光伏系统发电效率偏低,支架控制可有效提高发电效率,但当前支架控制复杂.设计了一种配置反射器结构的双面光伏单轴跟踪支架系统,充分发掘双面光伏背面发电潜力.基于改进后的结构提出一种支架优化控制策略,能根据不同日期和天气灵活地对单轴跟踪支架转动频次进行优化,可保证系统总发电量最大化的同时降低支架频繁启停造成的耗电量,最大化地提高系统收益.计算结果表明:与固定倾角式双面电池相比,改进支架结构后,系统夏、冬两季日发电量分别提高了53.1%、39.8%,系统收益能力得到有效提升,弥补了前期投资成本较高的缺点,对双面光伏的广泛应用具有一定的参考价值

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