In order to improve the generation efficiency of solar photovoltaic cell modules,on the basis of conventional photovoltaic modules,a new variable topology coefficient of photovoltaic cell assembly unit was designed.The light intensity signal was detected by the light intensity sensor TSL2561;the photovoltaic cell assembly inherent topological factor was changed through controlling the relay contacts to achieve a variable topology photovoltaic modules integrated unit.The experimental results show that this system uses an improved MPPT control method,taking into account the steady-state performance and dynamic performance,to achieve the good control effect and enhance the power generation capacity of traditional photovoltaic cell module.The production cost of the integrated unit is low,and has a certain practical value.%为了提高光伏电池组件的发电效率,在传统光伏电池组件的基础上,设计了一种新的光伏板拓扑系数可变的光伏电池组件单元.由光强传感器TSL2561检测光强信号,通过控制继电器的触点来改变光伏电池组件固有的拓扑系数,实现了拓扑结构可变的光伏电池组件集成单元.实验结果表明,此系统采用改进的MPPT控制法,兼顾了稳态性能和动态性能,取得了较好的控制效果,提升了传统光伏电池组件的发电量.该集成单元的制作成本低,具有一定的实用价值.
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