Dynamic performance of key components for hydraulic power take-off of the wave energy converter

被引:9
作者
Chen Qijuan [1 ]
Jiang Wen [1 ]
Yue Xuhui [1 ]
Geng Dazhou [1 ]
Yan Donglin [1 ]
Wang Weiyu [1 ]
机构
[1] Wuhan Univ, Minist Educ, Key Lab Transients Hydraul Machinery, Wuhan, Hubei, Peoples R China
基金
中国国家自然科学基金;
关键词
tanks (containers); condition monitoring; wave power generation; load shedding; remaining life assessment; valves; noise abatement; flow control; hydraulic systems; pendulums; dynamic performance; hydraulic power; wave energy converter; wave energy utilisation; HPTO; pendulum; high-pressure accumulator; oil tank; flow control valve; operational stability; excessive input power; output power; DESIGN; TECHNOLOGIES; STRATEGIES; SYSTEMS;
D O I
10.1049/iet-rpg.2018.6097
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Since the input power of the real waves varies continuously and periodically, how to stabilise the operation and generation during wave energy utilisation has become an inevitable and significant topic. This study focuses on the wave energy converter of a hydraulic power take-off (HPTO) connected to a pendulum and studies the influences of the key components, i.e. the high-pressure accumulator, oil tank and flow control valve, on the operational stability of HPTO by simulations and experiments. Parameters of the high-pressure accumulator are analysed and optimised. The dynamic performance of the HPTO with or without the oil tank is also investigated. Besides, the functions of the flow control valve in the cases of excessive input power and load shedding are given. Results show that the key components play very important roles in the operational stability of HPTO. Reasonable configurations of the high-pressure accumulator and oil tank are significant to improve the quality of output power and stability. Appropriate actions of the flow control valve are beneficial to protection and stability. Therefore, these key components should be considered preferentially during the design of HPTO.
引用
收藏
页码:2929 / 2938
页数:10
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