Research on eddy current losses algorithm in solid rotor of high speed squirrel cage induction motor | Zendy

Chou Weixiang | Zendy; Liang Yanping | Zendy; Gao Lianlian | Zendy; Wang Dongmei | Zendy

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Research on eddy current losses algorithm in solid rotor of high speed squirrel cage induction motor

Author(s) -

Chou Weixiang,

Liang Yanping,

Gao Lianlian,

Wang Dongmei

Publication year - 2020

Publication title -

iet electric power applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.815

H-Index - 97

eISSN - 1751-8679

pISSN - 1751-8660

DOI - 10.1049/iet-epa.2019.0884

Subject(s) - squirrel cage rotor , rotor (electric) , induction motor , eddy current , control theory (sociology) , current (fluid) , electrical engineering , engineering , computer science , physics , voltage , artificial intelligence , control (management)

Aiming at the shortcomings of the analytical algorithm and numerical algorithm for calculating the eddy current losses in the solid rotor of high speed squirrel cage induction motor, this study proposes a semi‐analytical algorithm. Based on the magnetic field of the rotor surface and Maxwell's equations, the analytical formula of this algorithm is derived. According to the law of energy conservation, the losses in rotor and rotor bars are calculated, respectively, so that the eddy current losses in the solid rotor are calculated indirectly. Taking a high speed squirrel cage induction motor as an example, the eddy current losses in the solid rotor are calculated by the semi‐analytical method. The calculation result is verified by the two‐dimensional transient finite‐element method, and the calculation result meets the basic requirements of engineering practice.

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