Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system
Abstract In the last few years, the reduction of the dependency on rare‐earth magnets has been one of the main concerns for electrical machine manufacturers. Synchronous reluctance machines (SynRMs) and ferrite permanent magnet‐assisted synchronous reluctance machines (PMa‐SynRMs) are emerging as al...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2021-03-01
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| Series: | IET Electric Power Applications |
| Subjects: | |
| Online Access: | https://doi.org/10.1049/elp2.12032 |
| _version_ | 1818495129476923392 |
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| author | Gurutz Artetxe Damian Caballero Borja Prieto Miguel Martinez‐Iturralde Ibon Elosegui |
| author_facet | Gurutz Artetxe Damian Caballero Borja Prieto Miguel Martinez‐Iturralde Ibon Elosegui |
| author_sort | Gurutz Artetxe |
| collection | DOAJ |
| description | Abstract In the last few years, the reduction of the dependency on rare‐earth magnets has been one of the main concerns for electrical machine manufacturers. Synchronous reluctance machines (SynRMs) and ferrite permanent magnet‐assisted synchronous reluctance machines (PMa‐SynRMs) are emerging as alternatives to permanent magnet synchronous machines (PMSMs) in several applications. In low‐speed high‐torque applications, PMSMs with large amounts of rare‐earth magnets are commonly employed. Thus, it is of particular interest to replace PMSMs by SynRMs or PMa‐SynRMs. This article studies the feasibility of using SynRMs and ferrite PMa‐SynRMs for a direct‐drive elevator system. The challenge lies in obtaining performance characteristics comparable to those of PMSMs, but without resorting to the use of rare‐earth permanent magnets. The main criteria for designing SynRMs and PMa‐SynRMs for low‐speed high‐torque applications are presented. Afterwards, a SynRM and a ferrite PMa‐SynRM are designed for 160 rpm 200 Nm rated conditions, and a performance and cost comparison between these machines and a commercial PMSM is conducted. |
| first_indexed | 2024-12-10T18:16:14Z |
| format | Article |
| id | doaj.art-4abbdfaa8fae4d86813db87928149011 |
| institution | Directory Open Access Journal |
| issn | 1751-8660 1751-8679 |
| language | English |
| last_indexed | 2024-12-10T18:16:14Z |
| publishDate | 2021-03-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Electric Power Applications |
| spelling | doaj.art-4abbdfaa8fae4d86813db879281490112022-12-22T01:38:19ZengWileyIET Electric Power Applications1751-86601751-86792021-03-0115337037810.1049/elp2.12032Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator systemGurutz Artetxe0Damian Caballero1Borja Prieto2Miguel Martinez‐Iturralde3Ibon Elosegui4CEIT‐Basque Research and Technology Alliance (BRTA) Donostia/San Sebastián SpainCEIT‐Basque Research and Technology Alliance (BRTA) Donostia/San Sebastián SpainCEIT‐Basque Research and Technology Alliance (BRTA) Donostia/San Sebastián SpainCEIT‐Basque Research and Technology Alliance (BRTA) Donostia/San Sebastián SpainCEIT‐Basque Research and Technology Alliance (BRTA) Donostia/San Sebastián SpainAbstract In the last few years, the reduction of the dependency on rare‐earth magnets has been one of the main concerns for electrical machine manufacturers. Synchronous reluctance machines (SynRMs) and ferrite permanent magnet‐assisted synchronous reluctance machines (PMa‐SynRMs) are emerging as alternatives to permanent magnet synchronous machines (PMSMs) in several applications. In low‐speed high‐torque applications, PMSMs with large amounts of rare‐earth magnets are commonly employed. Thus, it is of particular interest to replace PMSMs by SynRMs or PMa‐SynRMs. This article studies the feasibility of using SynRMs and ferrite PMa‐SynRMs for a direct‐drive elevator system. The challenge lies in obtaining performance characteristics comparable to those of PMSMs, but without resorting to the use of rare‐earth permanent magnets. The main criteria for designing SynRMs and PMa‐SynRMs for low‐speed high‐torque applications are presented. Afterwards, a SynRM and a ferrite PMa‐SynRM are designed for 160 rpm 200 Nm rated conditions, and a performance and cost comparison between these machines and a commercial PMSM is conducted.https://doi.org/10.1049/elp2.12032electric machinessynchronous motorspermanent magnetsreluctance motorspermanent magnet motorsmachine control |
| spellingShingle | Gurutz Artetxe Damian Caballero Borja Prieto Miguel Martinez‐Iturralde Ibon Elosegui Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system IET Electric Power Applications electric machines synchronous motors permanent magnets reluctance motors permanent magnet motors machine control |
| title | Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system |
| title_full | Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system |
| title_fullStr | Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system |
| title_full_unstemmed | Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system |
| title_short | Eliminating rare earth permanent magnets on low‐speed high‐torque machines: A performance and cost comparison of synchronous reluctance machines, ferrite permanent magnet‐synchronous reluctance machines and permanent magnet synchronous machines for a direct‐drive elevator system |
| title_sort | eliminating rare earth permanent magnets on low speed high torque machines a performance and cost comparison of synchronous reluctance machines ferrite permanent magnet synchronous reluctance machines and permanent magnet synchronous machines for a direct drive elevator system |
| topic | electric machines synchronous motors permanent magnets reluctance motors permanent magnet motors machine control |
| url | https://doi.org/10.1049/elp2.12032 |
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