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Chan Roh
In this study, a hydraulic system generator power converter was modeled to verify the performance of a hydraulic-based power take-off (PTO) system. Moreover, the characteristics and output performance of the PTO system were analyzed with various load con...
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Luca Castellini, Federico Gallorini, Giacomo Alessandri, Erick Fernando Alves, Dan Montoya, Bhavana Mudigonda and Elisabetta Tedeschi
The power take-off (PTO) of a wave energy converter (WEC) converts mechanical power extracted from the waves into electrical power. Increasing PTO performance under several operational conditions is therefore essential to reduce the levelized cost of ene...
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Kun Liu, Haizhi Liang, Jingpin Ou, Jiawei Ye and Dongjiao Wang
Heave plates are widely used for improving the sea keeping performance of ocean structures. In this paper, a novel tuned heave plate energy harvesting system (THPEH) is presented for the motion suppression and energy harvesting of a semi-submersible plat...
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Jian Tan, Henk Polinder, Antonio Jarquin Laguna, Peter Wellens and Sape A. Miedema
Currently, the techno-economic performance of Wave Energy Converters (WECs) is not competitive with other renewable technologies. Size optimization could make a difference. However, the impact of sizing on the techno-economic performance of WECs still re...
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Dan Yu, Keyi Wang, Yeqing Jin, Fankai Kong, Hailong Chen and Can Yang
In this work, the hydrodynamic performance of a novel wave energy converter (WEC) configuration which combines a moonpool platform and a javelin floating buoy, called the moonpool?javelin wave energy converter (MJWEC), was studied by semianalytical, comp...
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Zhengxiao Luan, Guanghua He, Zhigang Zhang, Penglin Jing, Ruijia Jin, Baolei Geng and Chaogang Liu
The utilization of ocean renewable energy, especially wave energy, is of great significance in ocean engineering. In this study, a three-dimensional numerical wave tank was established to simulate the wave-float interaction based on the Reynolds-averaged...
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Shangyan Zou and Ossama Abdelkhalik
The control of ocean Wave Energy Converters (WECs) impacts the harvested energy. Several control methods have been developed over the past few decades to maximize the harvested energy. Many of these methods were developed based on an unconstrained dynami...
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Linnea Sjökvist, Remya Krishna, Magnus Rahm, Valeria Castellucci, Hagnestål Anders and Mats Leijon
A point absorbing wave energy converter (WEC) is a complicated dynamical system. A semi-submerged buoy drives a power take-off device (PTO), which acts as a linear or non-linear damper of the WEC system. The buoy motion depends on the buoy geometry and d...
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Rico H. Hansen, Morten M. Kramer and Enrique Vidal
The Wavestar Wave Energy Converter (WEC) is a multiple absorber concept, consisting of 20 hemisphere shaped floats attached to a single platform. The heart of the Wavestar WEC is the Power Take-Off (PTO) system, converting the wave induced motion of the ...
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