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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Modeling and Optimal Design of an Eddy Current Coupling for Slip-Synchronous Permanent Magnet Wind Generators
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Modeling and Optimal Design of an Eddy Current Coupling for Slip-Synchronous Permanent Magnet Wind Generators

机译：滑动同步永磁风力发电机涡流耦合建模与优化设计

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摘要

In this paper, the possibility of using an eddy current slip coupling to remove cogging torque and torque ripple in a slip-synchronous permanent magnet wind generator is investigated. Two different topologies are proposed. It is shown that two-dimensional (2-D) finite-element methods are inaccurate compared to three-dimensional (3-D) finite-element methods when solving eddy currents in eddy current couplings. The 3-D finite-element transient simulations are validated using a manufactured prototype 15-kW eddy current coupling. An analytical approximation is developed and used for the design optimization of two eddy current coupling topologies. Using the optimally designed eddy current coupling, it is shown that the analytical and 3-D finite-element solutions compare very well and that the proposed eddy current coupling topology has no torque ripple. The analytical approximation is well suited to the rapid design optimization of eddy current couplings that use a conductive material in the air gap.
机译：在本文中，研究了使用涡流滑移耦合来消除滑差同步永磁风力发电机中的齿槽转矩和转矩脉动的可能性。提出了两种不同的拓扑。结果表明，当求解涡流耦合中的涡流时，与三维（3-D）有限元方法相比，二维（2-D）有限元方法不准确。使用制造的原型15 kW涡流耦合器对3-D有限元瞬态仿真进行了验证。开发了一种解析近似，并将其用于两种涡流耦合拓扑的设计优化。使用优化设计的涡流耦合，可以证明解析解和3D有限元解决方案的比较非常好，并且所提出的涡流耦合拓扑结构没有转矩波动。解析近似非常适合于在气隙中使用导电材料的涡流耦合器的快速设计优化。

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