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The trend towards higher operating speeds is increasingly evident across various industries, driven by needs for greater power density, cost efficiency, reduced machine size, and volume. Continuous development in permanent magnet materials, solid-state technology, and microelectronics has paved the way for innovative, energy-saving, high-performance AC electric drives. Consequently, brushless permanent magnet machines are widely used in applications requiring high speed but low power. There are two main types of these motors: The Permanent Magnet Synchronous Motor (PMSM) and the Brushless DC Motor (BLDC), each with unique operational features and control needs. This article evaluates the electromagnetic capabilities of both motor types under high-speed, axial flux conditions to offer advice for choosing the most appropriate motor for specific applications.

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Comparison Between Axial Flux BLDC and Axial Flux PMSM for High Speed and Low Power Application

  • 会议论文

  • 发表日期：

    2025年

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  • Hoda Taha,
  • Georges Barakat,
  • Batoul Zbib,
  • Ferhat Chabour

摘要

The trend towards higher operating speeds is increasingly evident across various industries, driven by needs for greater power density, cost efficiency, reduced machine size, and volume. Continuous development in permanent magnet materials, solid-state technology, and microelectronics has paved the way for innovative, energy-saving, high-performance AC electric drives. Consequently, brushless permanent magnet machines are widely used in applications requiring high speed but low power. There are two main types of these motors: The Permanent Magnet Synchronous Motor (PMSM) and the Brushless DC Motor (BLDC), each with unique operational features and control needs. This article evaluates the electromagnetic capabilities of both motor types under high-speed, axial flux conditions to offer advice for choosing the most appropriate motor for specific applications.