优化的8极径向AMB长期飞轮储能的质量损耗关系

L. Bakay, M. Dubois, P. Viarouge, J. Ruel
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引用次数: 8

摘要

本文介绍了用于长期飞轮储能(LTFES)的径向主动磁轴承(AMB)损耗的影响。该研究没有考虑到由于电力电子和风阻损失(由于外部转子表面和空气之间的摩擦)造成的损失。因此,我们将损耗计算限制为仅计算径向AMB的损耗。为了简化这一工作,我们以转子偏心引起的不平衡力为例,重点研究了外部扰动对不平衡力的影响。不平衡力确定了转子的最大径向承载能力,从而设计了径向动轴承。采用二维有限元法对理论模型进行了验证。我们优化了AMB系统,以寻找最佳设计,最大限度地减少不同大小的外力的整体损失(铜和铁的损失)。然后,给出了在转子转速为9000转/分的相同角速度下,AMB的质量与损耗曲线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mass-losses relationship in an optimized 8-pole radial AMB for Long Term Flywheel Energy Storage
This paper presents the effect of losses on a radial Active magnetic bearings (AMB), used in the Long Term Flywheel Energy Storage (LTFES). The study does not take into account the losses due to power electronics and windage losses (due to the friction between external rotor surface and the air). Therefore, we restricted the loss computation to those of radial AMB only. To simplify this work, we focused on the effect of external disturbance on unbalance force induced by rotor eccentricity for instance. The unbalance force has fixed the maximum radial load capacity of the rotor in order to design the radial AMB. 2-D Finite Element Method (FEM) has been used to validate the theoretical model. We have optimized AMB system in order to search the best design which minimises overall losses (Copper and iron Losses) for different magnitudes of external force. Then, mass versus losses curve of AMB has been shown for the same angular velocity speed of rotor namely 9000 rpm.
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