Design of a single-phase grid-connected photovoltaic systems based on Fuzzy-PID controller

  • Authors:

  • Fengwen Cao;Yiwang Wang

  • Affiliations:

  • Department of Electronic & Information Engineering, Suzhou Vocational University, Suzhou, Jiangsu, China;Department of Electronic & Information Engineering, Suzhou Vocational University, Suzhou, Jiangsu, China

  • Venue:
  • ICIC'09 Proceedings of the Intelligent computing 5th international conference on Emerging intelligent computing technology and applications
  • Year:
  • 2009

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Abstract

The output power of photovoltaic (PV) module varies with module temperature, solar isolation and 1oads changes etc. In order to control the output power of single-phase grid-connected PV system according to the output power PV arrays. In this paper a Fuzzy-PID controller is designed for single-phase grid connected PV system, which includes a DC/DC converter and a single-phase DC/AC inverter that connected to utility grid. Fuzzy-PID control technique is used to realize the system control. The matlab simulation experimental results show that, the proposed method has the good performance.