谐波励磁绕线转子同步电机的拓扑分析

Jan Pötter, M. Pfost, G. Schullerus
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引用次数: 3

摘要

本文对不同的无刷谐波励磁绕线转子同步电机进行了比较。所有拓扑结构的总体思想都是通过使用现有的定子和转子绕组进行励磁来消除滑环和辅助绕组。这是通过在电力电子器件的帮助下注入谐波气隙场来实现的。谐波场不与基场相互作用,它只是通过气隙传递激励功率。介绍了不同相数、不同极对组合和绕组布局的替代方法,并与详细的有限元参数化模型进行了比较。考虑了饱和和谐波与主绕组之间耦合的寄生效应。
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Topology Analysis of Harmonic-Excited Wound-Rotor Synchronous Machines
In this work, a comparison between different brushless harmonic-excited wound-rotor synchronous machines is performed. The general idea of all topologies is the elimination of the slip rings and auxiliary windings by using the already existing stator and rotor winding for field excitation. This is achieved by injecting a harmonic airgap field with the help of power electronics. This harmonic field does not interact with the fundamental field, it just transfers the excitation power across the airgap. Alternative methods with varying number of phases, different pole-pair combinations, and winding layouts are covered and compared with a detailed Finite-Element-parameterized model. Parasitic effects due to saturation and coupling between the harmonic and main windings are considered.
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