Hybrid Method for Calculating Eddy Current Loss in Permanent Magnet with Axial Segment of IPMSM

Ho-Jin Oh,Sung-Bae Jun,Chan-Ho Kim,Seok-Won Jung,Sang-Yong Jung

TWENTIETH BIENNIAL IEEE CONFERENCE ON ELECTROMAGNETIC FIELD COMPUTATION (IEEE CEFC 2022)（2022）

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摘要

In this paper, a hybrid method for calculating permanent magnet (PM) eddy current loss (PMECL) of interior PM synchronous motor (IPMSM) is proposed. PMECL in axial segmented PM of IPMSM driven by pulse width modulation inverter is calculated through a combination of two-dimensional finite element method and analytical method. Using the proposed procedure, PMECL of axial segmented PM is analyzed by operating point and the number of axial segments of PM.

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关键词

Finite element method,interior permanent magnet synchronous motor,permanent magnet eddy current loss

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