<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>It is a research hotspot of electric propulsion system that a high energy density permanent magnet machine is used as its main power. In general, the power system of electric propulsion consists of batteries, inverters and high energy density permanent magnet machines and loads. Based on harmonic effect of PWM sine alternating current generated by inverter, iron loss model of high energy density permanent magnet machine is established under inverter power harmonic, and iron loss calculation flow chart of high energy density permanent magnet machine for electric propulsion system is shown. The influences of different stator outer diameter and rotor inner diameter on iron loss are analyzed by using the finite element method. Through the above analysis, a 30 kW high energy density permanent magnet machine was designed. Then the noload test and iron loss separation test were carried out, verifying that the machine has very low core loss.</p>
</abstract>

It is a research hotspot of electric propulsion system that a high energy density permanent magnet machine is used as its main power. In general, the power system of electric propulsion consists of batteries, inverters and high energy density permanent magnet machines and loads. Based on harmonic effect of PWM sine alternating current generated by inverter, iron loss model of high energy density permanent magnet machine is established under inverter power harmonic, and iron loss calculation flow chart of high energy density permanent magnet machine for electric propulsion system is shown. The influences of different stator outer diameter and rotor inner diameter on iron loss are analyzed by using the finite element method. Through the above analysis, a 30 kW high energy density permanent magnet machine was designed. Then the noload test and iron loss separation test were carried out, verifying that the machine has very low core loss.

Iron loss analysis and calculation of high energy density permanent magnet machine

Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control

School of Mechanical Engineering, Tianjin University of Technology

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

It is a research hotspot of electric propulsion system that a high energy density permanent magnet machine is used as its main power. In general, the power...

Iron loss analysis and calculation of high energy density permanent magnet machine

Published Online: Sep 13, 2021

Page range: 262 - 267

Received: May 04, 2021

DOI: https://doi.org/10.2478/jee-2021-0036

Keywords
high energy density, permanent magnet machine, iron loss, eddy current loss, hysteresis loss

© 2021 Yangyang Zhao et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Iron loss analysis and calculation of high energy density permanent magnet machine

Published Online: Sep 13, 2021

Page range: 262 - 267

Received: May 04, 2021

DOI: https://doi.org/10.2478/jee-2021-0036

Keywordshigh energy density, permanent magnet machine, iron loss, eddy current loss, hysteresis loss

© 2021 Yangyang Zhao et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
high energy density, permanent magnet machine, iron loss, eddy current loss, hysteresis loss