Implementation of a Stand-alone Photovoltaic Pumping System with Maximum Power Point Tracking

  • Zhengming Zhao (Department of Electrical Engineering, Tsinghua University) ;
  • Kunlun Chen (Department of Electrical Engineering, Tsinghua University) ;
  • Liqiang Yuan (Department of Electrical Engineering, Tsinghua University)
  • 발행 : 2001.10.01

초록

Photovoltaic (PV) pumping systems with maximum power point tracking (MPPT) technique aims at obtaining the highest possible power to the pump under various insolation and temperature, thus overcomes the mismatch between the photovoltaic panel and the pumping load. A simple method of tracking the maximum power points and forcing the system to operate close to these points is presented in this paper. The MC68HC908GP32 micro control unit (MCU) is employed to implement the proposed MPPT controller. Experimental results will also show the performances of the photovoltaic pumping system with the MPPT technique.

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