基于波浪能的海洋浮标发电系统

波浪能是一种新型的清洁能源,近几年提出多种对波浪能进行开发的方案,但大多都是在波浪和发电机之间加入转化装置,这样效率低,成本高。为简化波能转化装置,提高波浪能的利用率,降低波能转化装置的成本,设计一套基于波浪能的海洋浮标发电系统,可以直接将波浪能转化为电能。详细叙述海洋浮标发电系统方案设计;并对海洋浮标进行运动建模和参数推导分析;基于Matlab对发电机在不同海况下进行仿真,得到空载电压波形,根据波形理论分析出影响发电机性能的主要因素为波高和频率。理论分析及仿真结果可以指导导磁结构的圆筒型直线发电机的理论研究,并为基于波浪能的海洋浮标发电系统的工程应用提供依据。

Conversion System of Ocean Buoys Based on Wave Energy

Wave energy is a new type of clean energy.In recent years,several approaches to extract wave energy have been presented.,however,most of which with low efficiency and high cost are joining a mechanical conversion device between the waves and the electromagnetic generator.In order to simplify the structure of wave energy converters,improve the utilization rate of wave energy and reduce the cost of wave energy converters,a conversion system of ocean buoys which can produce energy directly based on sea wave energy is proposed.The design of the program of the conversion system is explained in detail.The movement of the ocean buoy is modeled and the parameters are analyzed.The performance of the generator is simulated under different sea conditions by Matlab.And the waveforms of the no-load voltage are obtained.Then the main factors affecting the performance of the generator,which are the height and frequency of the wave,are analyzed theoretically according to the waveforms.The theoretical analyses and the simulation results could be used for the theoretical study of permanent magnet tubular linear and engineering applications of the conversion system of ocean buoys.