一种可实现多太阳电池MPPT的变流器拓扑与算法研究

ANALYSIS OF A MULTI-CELL PV CONVERTER CAPABLE OF MPPT

提出一种可应用于多太阳电池串联场合的变流器拓扑结构,该结构可实现电池的最大功率跟踪。建立该变流器的功率传输模型,并搭建样机对其拓扑结构和控制算法进行验证。结果表明:所提出的变流器可实现对电池的最大功率跟踪控制,有利于提高太阳电池板的利用率和发电效率。

Applied to multi solar cell in series, the novel topology of converter which is capable of MPPT is proposed in this paper. The power transmission model of the converter is established. The topology and control algorithm of the converter are verified by the prototype. The experimental results proved that accurate MPPT of each is achieved, the utilization ratio and power generation efficiency of solar cell is improved with this new topology of the PV converter.