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The new combined Maximum Power Point Tracking algorithm using fractional estimation in photovoltaic systems

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7 Author(s)
Dzung Phan Quoc ; Fac. of Electr. & Electron. Eng., HCMC Univ. of Technol., Ho Chi Minh City, Vietnam ; Quang Nguyen Nhat ; Le Minh Phuong ; Le Dinh Khoa
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This paper presents an improved algorithm of quick and accurate Maximum Power Point Tracking (MPPT) algorithm which is based on Incremental conductance algorithm, Fractional Open Circuit Voltage and Short Circuit Current. The proposed algorithm estimates the short circuit current or open circuit voltage, following by using Fractional Short Circuit Current or Fractional Open Circuit Voltage algorithm to quickly determine point close to MPP. MPP will be accurately determined due to Incremental conductance algorithm. The proposed algorithm can identify quickly and correctly MPP when the environmental temperature and solar radiation change. The results of proposed algorithm are made by simulating with MATLAB/Simulink program and experimenting with kit DSpace DS 1104.

Published in:

Power Electronics and Drive Systems (PEDS), 2011 IEEE Ninth International Conference on

Date of Conference:

5-8 Dec. 2011