Comparative study of linear superconductivity machine with different stator and winding configurations

Publication Type:
Journal Article
IEEE Transactions on Applied Superconductivity, 2019, 29 (2)
Issue Date:
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© 2002-2011 IEEE. Compared with rotary electrical machines in linear drive applications, linear machines without rotary-linear motion conversion equipment can have higher force density and efficiency. Linear superconductivity machines (LSMs), consisting of high-performance superconducting magnets instead of permanent magnets, can offer very high force density and efficiency compared with other linear machines, such as linear induction machine, linear permanent magnet machine, and so on. In this paper, LSMs with different stators and winding configurations are investigated, specifically LSMs with concentrated or distributed windings, and unilateral or bilateral side stators. The electromagnetic parameters and performance of these LSMs are calculated and compared by using the finite element method, and then, the main difference between various design methods in LSM has been presented.
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