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Linear magnetic gear with HTS bulks for wave energy conversion

机译：带有HTS本体的线性电磁齿轮可转换波能

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摘要

This study proposes a linear magnetic gear (LMG). Unlike conventional LMGs, the proposed one purposely uses high-temperature superconducting (HTS) bulks replace permanent magnets (PMs). The high-speed mover of the magnetic gear is connected to the secondary of the linear permanent magnet generator (LPMG), which constitutes a direct-drive wave power system that converts wave energy into electrical energy. First, the LMG structure is presented according to the principle of magnetic field modulation, and the authors briefly analyzed the number of pole pairs of inner, outer, and ferromagnetic modulators. Second, they also established a finite element analysis model to analyze the performance of magnetic gear, including magnetic field distribution, radial air gap magnetic flux density, and force characteristic. An LMG with HTS bulks not only increased the radial air gap magnetic flux density but also improved the speed of LPMG. In conclusion, this experiment verifies the efficacy of direct-drive wave power take-off system and effectively converts wave energy into electrical energy.
机译：这项研究提出了一种线性电磁齿轮（LMG）。与传统的LMG不同，拟议中的LMG故意使用高温超导（HTS）块代替永磁体（PM）。电磁齿轮的高速原动机连接到线性永磁发电机（LPMG）的次级，后者构成将波能转换为电能的直接驱动波功率系统。首先，根据磁场调制原理提出了LMG结构，作者简要分析了内部，外部和铁磁调制器的极对数。其次，他们还建立了一个有限元分析模型来分析电磁齿轮的性能，包括磁场分布，径向气隙磁通密度和力特性。具有HTS体积的LMG不仅增加了径向气隙磁通密度，而且提高了LPMG的速度。总之，本实验验证了直接驱动波浪动力输出系统的功效，并将波浪能有效转换为电能。

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