最大功率点跟踪控制问题是光伏并网发电系统中经常遇见的问题。
Maximum Power Point Tracking is one of the most important problems for the grid-connected photovoltaic system.
介绍了常规光伏发电系统和带有最大功率跟踪功能的光伏发电系统的基本组成，结合光伏电池的输出特性，分析了最大功率跟踪的必要性。
The conventional structure and MPPT structure of photovoltaic generation system are introduced respectively. The MPPT inevitability is analyzed with the output characteristic of photovoltaic cell.
最大功率点跟踪（MPPT）方法是光伏发电系统中提高系统效率的重要手段。
Maximum Power Point Tracking(MPPT) method is an important means to improve the system efficiency of PV power generation system.
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