The integrated motor drive (IMD) concept with possible modularization has attracted much attention in a broad spectrum of applications ranging from low-power general-purpose industrial drives to high-power electric propulsion. This paper presents the feasibility study and performance evaluation of using common axial-flux permanent-magnet (AFPM) machines with fractional-slot concentrated windings in IMDs, with the same diameter and a minimum increase in its axial length. Different winding configurations are compared in terms of the torque/power capability and fault tolerance without changing the winding current rating. The possibility of further torque improvement is discussed from the perspective of making full use of the air-gap field harmonics produced by PMs. An AFPM machine available in the lab has been dissembled and used to build the proof-of-concept design, to show the feasibility of the proposed design and benefits of the IMD.
|Title of host publication||2021 IEEE International Electric Machines and Drives Conference, IEMDC 2021|
|State||Published - May 17 2021|
|Event||2021 IEEE International Electric Machines and Drives Conference, IEMDC 2021 - Hartford, United States|
Duration: May 17 2021 → May 20 2021
|Name||2021 IEEE International Electric Machines and Drives Conference, IEMDC 2021|
|Conference||2021 IEEE International Electric Machines and Drives Conference, IEMDC 2021|
|Period||5/17/21 → 5/20/21|
Bibliographical noteFunding Information:
The support of Regal Beloit Corporation, University of Kentucky, the L. Stanley Pigman Endowment, and Ansys, Inc., is greatfully acknowledged.
© 2021 IEEE.
- Axial-flux PM machine
- fractional-slot concentrated winding
- motor drive
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
- Mechanical Engineering
- Safety, Risk, Reliability and Quality