Maximum Power Tracking for Photovoltaic Power Systems

Joe-Air Jiang; Tsong-Liang Huang; Ying-Tung  Hsiao; Chia-Hong Chen

doi:10.6180/jase.2005.8.2.07

Maximum Power Tracking for Photovoltaic Power Systems

Joe-Air Jiang¹ , Tsong-Liang Huang² , Ying-Tung Hsiao This email address is being protected from spambots. You need JavaScript enabled to view it.² and Chia-Hong Chen²

¹Department of Bio-Industrial Mechatronics Engineering, National Taiwan University Taipei, Taiwan 106, R.O.C.
²Department of Electric Engineering, Tamkang University Tamsui, Taiwan 251, R.O.C.

Received: December 10, 2004
Accepted: March 14, 2005
Publication Date: June 1, 2005

Download Citation: ||https://doi.org/10.6180/jase.2005.8.2.07

ABSTRACT

The electric power supplied by a photovoltaic power generation system depends on the solar radiation and temperature. Designing efficient PV systems heavily emphasizes to track the maximum power operating point. This work develops a novel three-point weight comparison method that avoids the oscillation problem of the perturbation and observation algorithm which is often employed to track the maximum power point. Furthermore, a low cost control unit is developed, based on a single chip to adjust the output voltage of the solar cell array. Finally, experimental results confirm the superior performance of the proposed method.

Keywords: Photovoltaic, Perturbation and Observation Algorithm, Maximum Power Point Tracking

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