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光伏发电系统最大功率点跟踪控制方法研究 被引量:18

Tracing and Control of Maximum Power Point Application in PV System
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摘要 采用单片机控制系统实现最大功率点跟踪(M PPT),着重对最大功率跟踪控制中DC-DC变换器的原理和控制方法进行了研究和实验,采用了升降压式(Buck-Boost)DC-DC转换电路[3]来实现最大功率点跟踪,该方法电路简单、软硬件结合、控制方法灵活,明显提高了太阳电池充电系统的整机效率. This paper describes the method of MPPT (maximum power point tracking) with MCU controlling system in photovoltaic system, especially introduces the techniques and principle of DC-DC conversion. MPPT is implemented with a Buck-Boost topology. The system is simple with good response speed. And the efficiency of system is approved apparently with the method.
出处 《南开大学学报(自然科学版)》 CAS CSCD 北大核心 2005年第6期74-79,共6页 Acta Scientiarum Naturalium Universitatis Nankaiensis
基金 "十五"国家重大科技攻关项目资助(2002BA901A44)
关键词 DC—DC变换器 最大功率点跟踪 光伏系统 DC-DC conversion maximum power point tracking photovoltaic system
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参考文献3

  • 1Chihchiang Hua, Chihming Shen. Comparative study of peak power tracking techniques for solar storage system[J].IEEE Applied Power Electronics Conference and Exposition (APEC'98), 1998, 2:679~685.
  • 2Chihchiang Hua, Chihming Shen. Study of maximum power tracking techniques and control of DC/DC converters for photovoltaic power system[J]. IEEE Power Electronics Specialists Conference (PESC' 98 ) , 1998,3: 86~93.
  • 3Texas instruments. Understanding buck-boost power stages in switchmode power supplies[J]. Ti Mixed Signal Products, 1999,3: 2~30.

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