太阳电池最大功率点追踪的控制策略

CONTROL STRATEGY OF MAXIMUM POWER POINT TRACKING FOR SOLAR CELL

在研究太阳电池电路模型的基础上,提出了一种数模混合的最大功率点追踪策略,可以最大程度的利用太阳能,同时实现了蓄电池的过充保护,最后用实验验证了方案的高效性和实用性。

Operating point of solar cell is influenced by the load such as battery for its unique property. Direct connecting between the cell and the battery will waste the energy derived from the sun, it will also cause the battery to lack of charging and therefore shorten its life. Through the research of the circuit model of the solar cell, a new strategy based on the analog-digital control to track the maximum power point for the cell was proposed, the system was also protected from overcharging by the useing micro-processor. The experiments for verifying the supposition were also conducted.