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首页> 外文期刊>IEEE Transactions on Magnetics >Design and Analysis of a Novel Lightweight Translator Permanent Magnet Linear Generator for Oceanic Wave Energy Conversion
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Design and Analysis of a Novel Lightweight Translator Permanent Magnet Linear Generator for Oceanic Wave Energy Conversion

机译：新型轻量级永磁波直线发电机的海浪能量转换设计与分析

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摘要

At present, most of the linear generators contain a heavy translator for converting wave power from the ocean into electrical power. As the translator is connected to the buoy, the buoy dynamic performance is reduced by the large mass and, as a result, low velocity of the translator would degrade the electricity generation of the linear generator. This problem has been minimized by the new design in this paper, where the translator is clipped off at first and split into two separate portions to minimize its weight. The secondary stator is magnetically coupled with a special m-shaped main stator which is used to flow the necessary magnetic flux. The weight of the proposed translator is 21.82% lower than that of conventional one and 49.1% by using a recently available permanent magnet with higher specifications. The finite-element method is applied in ANSYS simulation environment for the analysis and comparison between the proposed and conventional designs. Different parameters of the conventional and the proposed linear generator have been discussed in this paper. The simulation results show that the proposed design can generate the same amount of electricity as the existing one with almost half of the translator size. According to the mathematical model, it is understood that the dynamics of the translator would be higher for its lower mass and vice versa. Therefore, minimizing the translator size would result in decrease of mass, which increases the dynamics of the buoy connected to the translator.
机译：当前，大多数线性发电机都包含用于将来自海洋的波能转换为电能的重型转换器。当转换器连接到浮标时，浮标的动态性能会因质量过大而降低，结果，转换器的低速度会降低线性发电机的发电量。此问题已通过本文的新设计得以最小化，该设计首先将翻译器剪掉，然后分成两个单独的部分以最大程度地减轻其重量。次级定子与特殊的M形主定子磁耦合，该M形主定子用于流过必要的磁通量。通过使用最近可用的具有更高规格的永磁体，所提出的转换器的重量比常规的转换器的重量低21.82％和49.1％。在ANSYS仿真环境中采用了有限元方法对拟议设计与常规设计进行了分析和比较。本文讨论了常规和拟议的线性发生器的不同参数。仿真结果表明，所提出的设计可以产生与现有转换器相同数量的电能，而转换器尺寸几乎只有后者的一半。根据数学模型，可以理解的是，翻译器的动力学因其质量较低而较高，反之亦然。因此，最小化转换器的尺寸将导致质量的减小，这增加了连接到转换器的浮标的动力学。

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