A Flower Pollination Method Based Global Maximum Power Point Tracking Strategy for Point-Absorbing Type Wave Energy Converters

Aqiang Zhao, Weimin Wu, Zuoyao Sun, Lixun Zhu, Kaiyuan Lu, Henry Chung and Frede Blaabjerg
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Aqiang Zhao: Department of Electronic Engineering, Shanghai Maritime University, Shanghai 201306, China
Weimin Wu: Department of Electronic Engineering, Shanghai Maritime University, Shanghai 201306, China
Zuoyao Sun: Department of Electronic Engineering, Shanghai Maritime University, Shanghai 201306, China
Lixun Zhu: Department of Electronic Engineering, Shanghai Maritime University, Shanghai 201306, China
Kaiyuan Lu: Department of Energy Technology, Aalborg University, DK-9220 Aalborg, Denmark
Henry Chung: Department of Electronic Engineering, City University of Hong Kong, Hongkong 999077, China
Frede Blaabjerg: Department of Energy Technology, Aalborg University, DK-9220 Aalborg, Denmark

Energies, 2019, vol. 12, issue 7, 1-19

Abstract: To maximize the generated output power under random waves, the control strategy of maximum power point tracking (MPPT) is incorporated in point-absorbing type wave energy converter (WEC) system. However, due to the influence of mutative wave conditions, the curve of the maximum average power appears in multiple peaks, adding complexity to the tracking process. This paper proposes a new MPPT control technique for a wave power generation system, by using the flower pollination algorithm (FPA) instead of the conventional hill-climbing method. Compared with the hill-climbing method, this method has advantages of achieving a smaller peak-to-average ratio and capturing the more average power under the same sea state. The verification has been carried out through the simulations and the experimental results on a lab test bench.

Keywords: point-absorbing; wave energy converter (WEC); maximum power point tracking (MPPT); flower pollination algorithm (FPA); power take-off (PTO); hill-climbing method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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