Influence of circuit on power generation performance of wave energy power generation device using oscillating water column technology

被引：0
|
作者：
Wu, Ru-kang [1 ,6 ]
Chen, Yi [1 ]
Xue, Mu-wen [1 ]
Wu, Bi-jun [2 ,3 ,4 ]
Li, Meng [1 ]
Zhang, Fu-ming [2 ,3 ,4 ]
Zhang, Yun-qiu [5 ]
机构：
[1] Nanjing Inst Technol, Coll Mech Engn, Nanjing 211167, Peoples R China
[2] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
[3] Guangdong Key Lab Res Dev & Applicat New & Renewab, Guangzhou 510640, Guangdong, Peoples R China
[4] Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
[5] Jimei Univ, Xiamen 361021, Fujian, Peoples R China
[6] Nanjing Inst Technol, Coll Mech Engn, Nanjing 211167, Peoples R China
来源：
RENEWABLE ENERGY | 2023年 / 219卷
基金：
中国国家自然科学基金;
关键词：
Oscillating water column; Load circuit; Improve efficiency; Reduce oscillation; Unified modeling; System-level simulation; TURBINES;
D O I：
10.1016/j.renene.2023.119402
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In order to study the influence of the load circuit on the system efficiency and power oscillation of the oscillating water column device, a unified modeling model of the oscillating water column device is built for simulation. According to the coupling relationship in various fields of the oscillating water column device, the differential equation of motion of the turbine generator set is established. The power plant components and systems are modeled by Modelica language. Based on this system, the system-level simulation is carried out and the load circuit is optimized. In addition, experimental tests of the traditional load circuit and the modified load circuit are carried out. Results indicate that the modified load circuit can increase the speed of the turbine to better follow the airflow and balance the system damping, thereby improving the system efficiency. Increasing resistance can reduce the fluctuation of output electric power. Different battery, resistance and generator parameters can cause differences in system efficiency. The research results provide a reference to improve the performance of oscillating water column device.
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页数：8
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