摘要
为了实现波浪能的采集与高效转换,提出一种振荡扑翼波浪能发电装置,通过采集机构、液压转换系统和电能变换及储能系统将随机波浪能转换为稳定的电能。基于扑翼与波浪耦合受力分析,设计波浪能采集机构方案;为了能量高效转换和保证液压系统稳定性,创成一种含多腔液压缸的液压转换系统;根据储能单元的额定电能需求,进行电能变换及储能系统方案设计与元件参数计算;基于多能域键合图理论和AMESim仿真软件,建立包括机-液-电的整体虚拟样机仿真模型;搭建仿振荡扑翼波浪能发电装置试验平台,模拟规则波浪进行试验,验证系统的有效性。研究结果表明,在三级海况和四级海况下振荡扑翼波浪能发电装置发电效率分别可以达到61.5%和66.2%,能够有效采集波浪能,实现电能的稳定输出并储存到蓄电池中。试验结果证明了振荡扑翼波浪能发电装置工作原理和参数设计的合理性。研究结果为波浪能发电装置的设计与开发提供了理论基础与参考。
In order to realize wave energy acquisition and efficient conversion,which converts random wave energy into stable electric energy through acquisition mechanism,hydraulic conversion system and electric energy conversion and storage system.Based on the coupled force analysis of flapping wings and waves,the scheme of wave energy collection mechanism is designed.In order to efficiently convert energy and ensure the stability of the hydraulic system,a hydraulic conversion system with multi-chamber hydraulic cylinders is created.According to the rated electric energy demand of the energy storage unit,an electric energy conversion and energy storage system was created.Based on the multi energy domain bond graph theory and AMESim simulation software,an overall virtual prototype simulation model including mechanical,hydraulic and electrical was established.The experimental platform of oscillating flapping wing wave energy power generation device was built,and the regular waves were tested to verify the validity of the system.The research results showed that the power generation efficiency of the oscillating flapping-wing wave energy power generation device can reach 61.5%and 66.2%under the third-level sea state and the fourth-level sea state,respectively,which can effectively collect wave energy,realized the stable output of electric energy and store it in the battery.The experimental results proved the rationality of the working principle and parameter design of the oscillating flapping-wing wave power generation device.The research results provided a theoretical basis and reference for the design and development of wave power generation devices.
作者
方子帆
朱畅
王佳佳
熊飞
左新球
谢雪媛
FANG Zifan;ZHU Chang;WANG Jiajia;XIONG Fei;ZUO Xinqiu;XIE Xueyuan(Hubei Key Laboratory of Hydroelectric Machinery Design and Maintenance,China Three Gorges University,Yichang 443002;College of Mechanical&Power Engineering,China Three Gorges University,Yichang 443002)
出处
《机械工程学报》
EI
CAS
CSCD
北大核心
2022年第20期137-149,共13页
Journal of Mechanical Engineering
基金
国家自然科学基金(51875314)
水电机械设备设计与维护湖北省重点实验室开放基金(2018KJX05)资助项目。
关键词
波浪能
发电装置
采集机理
系统建模
转换特性
振荡扑翼
wave energy
power plant
acquisition mechanism
system modeling
conversion characteristics
oscillating flapping wing
