저자 | ASSIR RAZA SIDDIQI TANVEER YAZDAN JUN-HYUK IM MUHAMMAD HUMZA JIN HUR (Fellow, IEEE) |
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논문지명 | IEEE Access |
Ttile: Experimental Verification of Dual airgap PMVM having Yokeless Rotor for Extended Speed Application
Authors: ASSIR RAZA SIDDIQI, TANVEER YAZDAN, JUN-HYUK IM, MUHAMMAD HUMZA, JIN HUR (Fellow, IEEE)
ABSTRACT Permanent magnet vernier machines (PMVM) are recently proved to be a good candidate for
extended-speed operation in constant power region. In this paper, a dual-airgap PMVM having a yokeless
rotor has been presented for extended-speed operation. The PMVM model is designed with two stators and
a sandwiched rotor without an iron yoke. To achieve the extended speed operation, the yokeless structure of
dual airgap PMVM benefits from the increased inductance which makes it possible to operate at higher
speeds. For this purpose, the prototype of this machine is built, and experimental testing is performed to
verify its performance in a constant power region. Electromagnetic performance such as back-EMF and
output torque at high speeds are analyzed. The experimental results are compared with those obtained using
finite element analysis which confirms the ability of dual airgap PMVM having a yokeless rotor to perform
well at higher speeds in a constant power region.
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