Transient line starting analysis of the ultra-high speed PMSM | Zendy

Wenjie Cheng | Zendy; Wei Li | Zendy; Ling Xiao | Zendy; Ming Li | Zendy; Yongsheng Tian | Zendy; Yanhua Sun | Zendy; Lie Yu | Zendy

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Transient line starting analysis of the ultra-high speed PMSM

Author(s) -

Wenjie Cheng,

Wei Li,

Ling Xiao,

Ming Li,

Yongsheng Tian,

Yanhua Sun,

Lie Yu

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4974057

Subject(s) - squirrel cage rotor , rotor (electric) , torque , transient (computer programming) , materials science , copper , synchronous motor , control theory (sociology) , automotive engineering , line (geometry) , magnet , mechanics , mechanical engineering , metallurgy , induction motor , engineering , electrical engineering , computer science , physics , voltage , thermodynamics , mathematics , control (management) , geometry , artificial intelligence , operating system

Aiming at the ultra high speed permanent magnet synchronous motor (PMSM) supported by gas foil bearings (GFBs), this paper calculates the transient line starting of the motor. Firstly, the start effect of the rotor composed of cylindrical PM and stainless steel sleeve is studied. Then, in order to enhance the start torque, copper ring, nickel ring and copper squirrel-cage are introduced in the rotor and their start effect are analysed, respectively. It can be found that the rotor including nickel ring can be accelerated to set speed, but all the other rotors are failed due to the higher PM and braking torques. It can be concluded that some material owning slight large relative permeability can be applied in the rotor to reduce the PM field and contribute to start by using the line-start method.

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