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

<p>In the article, an approach to design a novel single-phase permanent magnet (PM) brushless DC (BLDC) motor, based on multi-step FEA numerical prototyping, is presented. The designing procedure is carried out by using a series of 2D finite element simulations, until the design for a best performing PM BLDC motor is obtained. The proposed novel motor topology is developed using a generic motor, and through several steps, asymmetrical stator poles are devised, where one pair is particularly shaped. Permanent magnets are also simultaneously shaped. The aim of this research study is to improve performance characteristics of the motor by more efficient utilisation of active materials during the manufacture of rotor poles and stator cores. The magnetic field distribution in the motor cross-section, along with several other relevant electromagnetic and electromechanical characteristics, are computed, presented in figures and charts and analysed. The cogging torque and static torque waveforms, as well as the distribution of flux density and the air-gap flux, flux linkage and the induced back-emf, are in the focus of the presented research study. The results show that the novel design topology reveals featured operating characteristics, providing a smooth overall performance of the PM BLDC motor.</p>
</abstract>

In the article, an approach to design a novel single-phase permanent magnet (PM) brushless DC (BLDC) motor, based on multi-step FEA numerical prototyping, is presented. The designing procedure is carried out by using a series of 2D finite element simulations, until the design for a best performing PM BLDC motor is obtained. The proposed novel motor topology is developed using a generic motor, and through several steps, asymmetrical stator poles are devised, where one pair is particularly shaped. Permanent magnets are also simultaneously shaped. The aim of this research study is to improve performance characteristics of the motor by more efficient utilisation of active materials during the manufacture of rotor poles and stator cores. The magnetic field distribution in the motor cross-section, along with several other relevant electromagnetic and electromechanical characteristics, are computed, presented in figures and charts and analysed. The cogging torque and static torque waveforms, as well as the distribution of flux density and the air-gap flux, flux linkage and the induced back-emf, are in the focus of the presented research study. The results show that the novel design topology reveals featured operating characteristics, providing a smooth overall performance of the PM BLDC motor.

Multi-Step FEA-Based Design and Performance Analysis for a Single-Phase PM Brushless DC Motor

Power Electronics and Drives

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

In the article, an approach to design a novel single-phase permanent magnet (PM) brushless DC (BLDC) motor, based on multi-step FEA numerical prototyping, is...

Multi-Step FEA-Based Design and Performance Analysis for a Single-Phase PM Brushless DC Motor

Published Online: Jul 27, 2023

Page range: 219 - 234

Received: Apr 30, 2023

Accepted: Jul 04, 2023

DOI: https://doi.org/10.2478/pead-2023-0015

Keywords
permanent magnet brushless DC motor, FEA-based topology design, back-emf, cogging torque, performance characteristics

© 2023 Lidija Petkovska et al., published by Sciendo

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

Multi-Step FEA-Based Design and Performance Analysis for a Single-Phase PM Brushless DC Motor

Published Online: Jul 27, 2023

Page range: 219 - 234

Received: Apr 30, 2023

Accepted: Jul 04, 2023

DOI: https://doi.org/10.2478/pead-2023-0015

Keywordspermanent magnet brushless DC motor, FEA-based topology design, back-emf, cogging torque, performance characteristics

© 2023 Lidija Petkovska et al., published by Sciendo

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

Keywords
permanent magnet brushless DC motor, FEA-based topology design, back-emf, cogging torque, performance characteristics