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Research on maximum power point tracking in redundant load mode for photovoltaic system

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Abstract

In order to ensure that the photovoltaic (PV) array always works at the global maximum point of power to increase the system’s overall efficiency, this paper leads the study on maximum power point tracking (MPPT) in redundant load mode. A new control system is designed by combining the redundant electronic load module, embedded controller, supportive capacitor and boost circuit. The system adjusts duty ratio of boost circuit dynamically based on the maximum power point parameter provided by redundant load unit in order to realize MPPT. An experiment shows that no matter whether system is under an even illumination or partly perturbed by shadow, this method can find the exact maximum power point.

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Authors and Affiliations

  1. College of Engineering, Shanghai Second Polytechnic University, Shanghai, 201209, China

    Jianjun Wang  (王建军) & Yufeng Shao  (邵宇丰)

  2. School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    Shanben Chen  (陈善本)

Authors
  1. Jianjun Wang  (王建军)
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  2. Shanben Chen  (陈善本)
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  3. Yufeng Shao  (邵宇丰)
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Corresponding author

Correspondence to Jianjun Wang  (王建军).

Additional information

Foundation item: the National Natural Science Foundation of China (No. 61107064), and the Leading Academic Discipline Project of Communication and Information System (No. XXKZD1605)

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Wang, J., Chen, S. & Shao, Y. Research on maximum power point tracking in redundant load mode for photovoltaic system. J. Shanghai Jiaotong Univ. (Sci.) 21, 257–262 (2016). https://doi.org/10.1007/s12204-016-1720-5

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  • DOI: https://doi.org/10.1007/s12204-016-1720-5

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