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Study on Performance Parameters of Short-Secondary Type Slotless Permanent Magnet Linear Synchronous Motor Based on Analytic Method by Hao Liu; Xiaoju Yin is a Engineering article available to read on EtoBox.

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This paper mainly studies two-dimensional analytic method to analyze and calculate a short-secondary type slotless permanent magnet linear synchronous motor (SST-SPMLSM) performance. Due to the large air-gap and more magnetic flux leakage of electric machine, this paper proposes the groove-by-groove method to analyze the winding equivalent current density. Meanwhile, the volume current density is used to equivalent the permanent magnet magnetization, which is obtained the permanent magnet equivalent current density. According to the electric machine structure, the divided layers model of the SST-SPMLSM is built. Based on the hierarchical analytical model and equivalent current density of the electric machine, the two-dimensional magnetic vector potential of each region in the SST-SPMLSM is derived by the separated variable method. Combined with the boundary conditions of the electric machine, the magnetic flux densities of the SST-SPMLSM with different regions are derived. In the meantime, a 30 N SST-SPMLSM is designed. On this basis, the magnetic flux density, detent force, and electromagnetic thrust force of the SST-SPMLSM are analyzed and calculated, which of the results are ver

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Author

Hao Liu; Xiaoju Yin

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Engineering (Physical Sciences)