提高蓄电池备用光伏系统功率转换效率的新技术

[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91 Pub Date : 1991-11-05 DOI:10.1109/INTLEC.1991.172378

D. B. Snyman, J. Enslin

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引用次数: 12

摘要

提出并分析了一种提高蓄电池备用光伏系统功率转换效率的新技术，并对该技术的应用前景提出了建议。PPCT可以增加现有光伏系统的可用能量，使用极性变化最大功率点跟踪器(MPPT)或分体式电池系统，而无需向光伏系统添加任何东西。这是通过利用PPCT重新布线PV系统来实现的。在有备用电池的新光伏系统中，PPCT也可用于降低光伏阵列的额定功率。该PPCT还在复合转换器中进行了说明，并描述了MPPT的新拓扑结构。并给出了该PPCT的实验结果。

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Novel technique for improved power conversion efficiency in PV systems with battery back-up

A novel technique for the improvement of power conversion efficiencies in photovoltaic (PV) systems with battery back-up is presented and analyzed, and applications for this parallel power conversion technique (PPCT) are suggested. The PPCT may increase the available energy in an existing PV system, using a polarity changing maximum power point tracker (MPPT), or a split battery system, without adding anything to the PV system. This is accomplished by rewiring the PV system, utilizing the PPCT. The PPCT may also be used to reduce the power rating of the PV array in new PV systems with battery back-up. This PPCT is also illustrated in a compound converter and a new topology for a MPPT is described. Experimental results using this PPCT are presented.<>

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[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91

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