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      Simulation of the Power Take-off System for a Heaving Buoy Wave Energy Converter

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          Abstract

          The heaving buoy wave energy device is popular for wave conditions with small wave heights and short periods. This paper presents the design of a wave energy converter composed of a gyro buoy, a hydraulic power take-off, and an electricity generation system. The energy accumulators are used to improve the output power with different control strategies. The quantity relations between each component are established using theoretical methods. The simulation model describes the energy conversion and calculates the operation time, energy capacity, and output power of the device under different initial pressures, release pressures, and electric resistances. As a result, the capacity is determined by the electronic load, and the maximum output power can be obtained when the accumulators are turned on and off at the same time. This study investigates the factors influencing the electric energy production and can be used to guide the optimization of this type of device.

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          Author and article information

          Journal
          JOUC
          Journal of Ocean University of China
          Science Press and Springer (China )
          1672-5182
          02 May 2020
          01 June 2020
          : 19
          : 3
          : 497-504
          Affiliations
          1College of Engineering, Ocean University of China, Qingdao 266100, China
          2Shandong Provincial Key Laboratory of Ocean Engineering, Qingdao 266100, China
          3Qingdao Municipal Key Laboratory of Ocean Renewable Energy, Qingdao 266100, China
          Author notes
          *Corresponding author: SHI Hongda, Tel: 0086-532-66781550, E-mail: hongda.shi@ 123456ouc.edu.cn
          Article
          s11802-020-4199-5
          10.1007/s11802-020-4199-5
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2020.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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          Self URI (journal-page): https://www.springer.com/journal/11802

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