Machines utilizing heavy rare earth free permanent magnets
Patent
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OSTI ID:2293900
Various examples are provided related to machines utilizing heavy rare earth (HRE) free permanent magnets. In one example, a rotor assembly including a rotor core having a plurality of rotor slots and magnets positioned within the plurality of rotor slots. At least a portion of the magnets are free of heavy rare earth (HRE) elements. The magnets can include a combination HRE segments and HRE-free segments or can be free of HRE elements. The rotor assembly can be included in an electric machine such as, e.g., a permanent magnet (PM) machine.
- Research Organization:
- North Carolina State University, Raleigh, NC (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- EE0008705
- Assignee:
- North Carolina State University (Raleigh, NC)
- Patent Number(s):
- 11,824,403
- Application Number:
- 17/221,447
- OSTI ID:
- 2293900
- Country of Publication:
- United States
- Language:
- English
HEV Motor Comparison of IPMSM With Nd Sintered Magnet and Heavy Rare-Earth Free Injection Magnet in the Same Size
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journal | April 2018 |
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Conference
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Sun Oct 29 00:00:00 EDT 2023
· 2023 IEEE Energy Conversion Congress and Exposition (ECCE)
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OSTI ID:2535651