当负载较大的时候，为了满足负载的需求，系统将进行最大功率点的跟踪控制。
For the sake of meeting rising need of load, system should perform Maximum Power Point Tracking control.
并应用逐次逼近法对光伏电池的最大功率点进行了跟踪，仿真结果表明：最大功率点的跟踪效果显著。
The maximum power point of the photovoltaic cell is traced by using the step-by-step method and the simulation result shows that the maximum power point tracking results are obvious.
针对光伏充电系统存在的缺陷，提出了一种增强型最大功率点跟踪(MPPT)控制方法。
Aiming at the disadvantages of current PV charging system, an enhanced control method of maximum power point tracking (MPPT) was presented.
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