Design and Analysis of Halbach Ironless Flywheel BLDC Motor/Generators

Li, Kai; Yin, Ming; Wang, Hua; Ma, Ziqi; Lin, Mingyao; Kong, Yong

doi:10.1109/tmag.2018.2833958

Cited by 41 publications

(14 citation statements)

References 6 publications

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“…This WEC consists of an electrical generator, a power electronics section, and a salt-water electrolyser. Liu et al [24] applied Halbach permanent magnet array in the external-rotor ironless brushless dc motor (BLDCMΨ. The Halbach motor has many advantages, and its amplitude of the air-gap flux density is higher than that of the conventional one.…”

Section: Introductionmentioning

confidence: 99%

Structural optimisation based on a snake‐like wave energy convertor with magnetoelectric transducer

Zhang

Chen

Liu

et al. 2020

IET Renewable Power Generation

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Section: Introductionmentioning

confidence: 99%

Structural optimisation based on a snake‐like wave energy convertor with magnetoelectric transducer

Zhang

Chen

Liu

et al. 2020

IET Renewable Power Generation

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“…But its torque ripples are very large as the obvious waveform of the AGMFD. Liu et al [7] developed another Halbach array BLDCM with little torque ripples and large AGMFD. As the single ring PMs of BLDCMs in Refs.…”

Section: Introductionmentioning

confidence: 99%

“…As the single ring PMs of BLDCMs in Refs. [3][4][5][6][7], the ratio of the radial AGMFD to total AGMFD is little. In this letter, with the comprehensive consideration of power consumption, AGMFD, the waveform of the AGMFD, and radial AGMFD, an ironless stator BLDCM with dual-magnet is presented.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of Dual‐Magnet BLDCM for Momentum Wheel

Xiao

Liu

2020

IEEJ Transactions Elec Engng

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To obtain the larger output torque and the higher stability speed accuracy, a novel dual-magnet brushless DC motor is proposed, and its structure is introduced. The mathematical model is established by the equivalent surface current method, and the magnetic circuit is analyzed by finite element method. The radial and tangential air gap magnetic flux densities of the dual-magnet scheme are larger and less than that of the ironless stator and the Halbach array schemes, respectively. The theoretical calculation and simulation results are verified by prototype experiments.

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“…The torque ripple, in turn, can cause high noise and vibration levels and it can produce resonance phenomena in the mechanical and control systems. To mitigate and significantly reduce these effects, PM Halbach arrays (HBAs) have been proposed in electric motors and generators [4].…”

Section: Introductionmentioning

confidence: 99%