设计了一种基于压电纤维复合材料(MFC)的洋流能发电装置，并分析了其发电性能。以悬臂梁结构为分析对象，对影响发电性能的因素进行了分析，研究了基底材料的类型和厚度、频率、位移激励幅值、单晶和双晶结构对发电性能的影响规律。基于上述分析结论，设计了一种洋流能发电装置。分析了该发电装置的发电性能。分析结果表明，该发电装置在转子转速为500 r/min的工作条件下，最大输出功率为9.31 W，能满足功率要求。

An ocean-current generator based on macro fiber composite (MFC) is proposed, and the performance of the generator is analyzed. Firstly, the cantilever structure is taken as the research object to analyze the influencing factors of performance of piezoelectric generation. The laws of influences of substrate materials, thickness, frequency, displacement excitation, and single/double crystal structure are researched. Then, an ocean-current generator based on MFC is designed according to the performance analysis results. Finally, the electricity generation performance of the ocean-current generator is analyzed. The maximum output power of the generator is 9.31 W at a rotor speed of 500 r/min, which can meet the power requirements.