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中文摘要：
最大功率点跟踪（MPPT）技术是通过调整光伏电池工作点从而最大化发挥太阳电池效率的一项关键技术。设计了一种具有MPPT功能的独立光伏快速充电器,主电路为Buck电路,控制电路主控芯片选用PIC单片机。MPPT算法采用一种改进型扰动观测法并对其进行了验证,同时对蓄电池进行了充电测试。充电完成时间与充电后蓄电池荷电状态表明所设计的充电器可高效、稳定工作,经过改进,可对远离电网的多种野外用电设备蓄电池进行充电。
英文摘要：
Maximum power point tracking （MPPT） is a key technology of modulating working point of the solar panels to obtain maximum power. A stand-alone PV quick charger with MPPT was designed. A Buck circuit and PIC single chip microcomputer were used as main circuit and main control chip in control circuit. A kind of improved perturb and observe algorithm was used and validated, and the battery charging was tested. The charging time and SOC demonstrate the system efficiently and steadily operates, and it can be used to charge various electrica~ equipment batteries away from the grid after improved.
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