Preprint Article Version 1 This version is not peer-reviewed

The ECL Optimization and Experiment of HSPMSM with Improved Method

Xu Liu *
Version 1 : Received: 9 April 2018 / Approved: 11 April 2018 / Online: 11 April 2018 (05:45:35 CEST)

How to cite: Liu, X. The ECL Optimization and Experiment of HSPMSM with Improved Method. Preprints 2018, 2018040137 (doi: 10.20944/preprints201804.0137.v1). Liu, X. The ECL Optimization and Experiment of HSPMSM with Improved Method. Preprints 2018, 2018040137 (doi: 10.20944/preprints201804.0137.v1).

Abstract

The eddy current loss should be optimized to be as less as possible for the stability of permanent magnet in high speed permanent magnet synchronous motor (HSPMSM) rotor and ensure the high efficiency and low temperature of the motor. This paper analyzes the eddy current distribution in rotor, with consideration of the conflict of the thickness of sleeve and diameter of the rotor, calculating the eddy current loss (ECL) and the thermal distribution via Separation of variables method for solving Maxwell's equations with analytical hieratical model of ECL constructed. The optimization result of ECL of the HSPMSM whose power and rated speed is 30kw 48000r/min can be got by multi-objective optimization method, combined weighting coefficient method and traversal algorithm based on chaotic local search particle swarm optimization (CLSPSO), utilizing ECL analytical model and other analytical constraints. Related experiment and measurement has been implemented with new approach of loss separation.

Subject Areas

eddy current loss; multi-objective optimization (MOO); electromagnetic analysis; equivalent hierarchical method

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