Potential and Electro-Mechanical Coupling Analysis of a Novel HTS Maglev System Employing Double-Sided Homopolar Linear Synchronous Motor
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS(2024)
Abstract
High temperature superconducting (HTS) pinning maglev is considered to be one of the most ideal levitation techniques for high-speed transportation in future since its passive and self-stabilizing properties. An efficient and economical propulsion method is important for HTS pinning maglev system. This paper presents a novel HTS pinning maglev system employing a homopolar linear synchronous motor (H-LSM), which shows great potential for engineering. First, conceptual structure of the novel HTS pinning maglev system employing H-LSM is described. The H-LSM was designed to drive a 19-ton HTS pinning maglev engineering prototype using analytical and finite element methods. Then, a comparative performance and cost between H-LSM and permanent magnet linear synchronous motor (PM-LSM) is analyzed. Finally, in order to fully analyze the potential and electro-mechanical coupling of the system, a lateral dynamic response analysis is introduced. The result shows that the novel HTS pinning maglev system employing a H-LSM has a good propulsion-levitation-guidance (PLG) performance. The H-LSM can meet the propulsion requirements of HTS high-speed maglev vehicles with lower cost. The dynamic analysis shows that this new HTS pinning system employing H-LSM has good macroscopic performance for high-speed operation.
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Key words
High-temperature superconductors,Propulsion,Motors,Windings,Suspensions (mechanical systems),Force,Air gaps,High temperature superconducting maglev,homopolar linear synchronous motor,finite element analysis,lateral dynamic analysis
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