Design and control of high‐capacity and low‐speed doubly fed start‐up permanent magnet synchronous motor | Zendy

Gao Xinmai | Zendy; Wang Xuefan | Zendy; Wei Zhongcao | Zendy

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Design and control of high‐capacity and low‐speed doubly fed start‐up permanent magnet synchronous motor

Author(s) -

Gao Xinmai,

Wang Xuefan,

Wei Zhongcao

Publication year - 2018

Publication title -

iet electric power applications

Language(s) - English

Resource type - Journals

ISSN - 1751-8679

DOI - 10.1049/iet-epa.2018.5093

Subject(s) - permanent magnet synchronous motor , magnet , synchronous motor , permanent magnet motor , control theory (sociology) , control (management) , motor control , automotive engineering , electrical engineering , computer science , engineering , psychology , neuroscience , artificial intelligence

A novel rotor structure with a set of compensation winding for line‐start permanent magnet synchronous motors for high capacity and low speed, which can meet the requirements of a ball mill with a high moment of inertia, is proposed to improve the motor‐starting performance. A control strategy for the compensation winding current is implemented to increase the synchronisation ability with a high‐inertia load. The compensation current and its control method are analysed using a mathematical model and verified using a time‐step finite‐element analysis. The simulation shows that the permanent magnet motor proposed in this study can successfully start at a load of 15 times rotor inertia.

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