Real-time capable methods to determine the magnet temperature of permanent magnet synchronous motors — A review

Wallscheid, O.,Huber, T.,Peters, W.,Bocker, J.

IECON（2014）

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摘要

The permanent magnet synchronous motor (PMSM) is widely used in highly utilised automotive traction drives and other industrial applications. With regards to the device life-time, safe operation and control performance, the magnet temperature is of great interest. Since a direct magnet temperature measurement is not feasible in most cases, this contribution gives a review on state-of-the-art model-based magnet temperature determination methods in PMSM. In this context, the existing publications can be classified into thermal models, flux observers and voltage signal injection approaches. Firstly, brief introductions of these methods are given, followed by a direct comparison regarding drawbacks and benefits. Finally, this contribution concludes with an outlook of potential further investigations in this research field.

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关键词

machine control,observers,permanent magnet motors,synchronous motor drives,temperature control,traction motor drives,pmsm,automotive traction drives,flux observers,industrial applications,model-based magnet temperature determination methods,motor control,permanent magnet synchronous motors,real-time capable methods,thermal models,voltage signal injection approach,model-based real-time determination,permanent magnet temperature,state-of-the-art review,temperature measurement,permanent magnets,saturation magnetization

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