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==Stator between rotors== |
==Stator between rotors== |
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In another arrangement, one rotor is inside the stator with a second rotor on the outside of the stator.<ref name="HwangLee2019">{{cite journal|last1=Hwang|first1=Myeong-Hwan|last2=Lee|first2=Hae-Sol|last3=Yang|first3=Se-Hyeon|last4=Lee|first4=Gye-Seong|last5=Han|first5=Jong-Ho|last6=Kim|first6=Dong-Hyun|last7=Kim|first7=Hyeon-Woo|last8=Cha|first8=Hyun-Rok|title=Cogging Torque Reduction and Offset of Dual-Rotor Interior Permanent Magnet Motor in Electric Vehicle Traction Platforms|journal=Energies|volume=12|issue=9|year=2019|pages=1761|issn=1996-1073|doi=10.3390/en12091761}}</ref> |
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In another arrangement, one rotor is inside the stator with a second rotor on the outside of the stator. |
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==Applications== |
==Applications== |
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This article needs additional citations for verification. Please help improve this articlebyadding citations to reliable sources. Unsourced material may be challenged and removed.
Find sources: "Dual-rotor permanent magnet induction motor" – news · newspapers · books · scholar · JSTOR (March 2021) (Learn how and when to remove this message) |
ADual-rotor permanent magnet induction motor (DRPMIM) is an induction motor having two rotors within the same motor housing. This rotor arrangement can increase power density, efficiency, and reduce cogging torque.[1][2]
In one arrangement, the motor has an ordinary induction motor stator. A squirrel-cage rotor connected to the output shaft rotates within the stator at slightly less than the rotating field from the stator. Within the squirrel-cage rotor is a freely rotating permanent magnet rotor, which is locked in with rotating field from the stator. The effect of the inner rotor is to reenforce the field from the stator.
In another arrangement, one rotor is inside the stator with a second rotor on the outside of the stator.[2]
Because of their greater power density dual-rotor permanent magnet induction motors are being considered for use in electric vehicles.
{{cite journal}}: CS1 maint: unflagged free DOI (link)
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