Comparison of Axial Flux Permanent Magnet Synchronous Machines With Electrical Steel Core and Soft Magnetic Composite Core

Kim, Chang-Woo; Jang, Gang-Hyeon; Kim, Jeong-Man; Ahn, Jinsook; Baek, Chan-Ho; Choi, Jang-Young

doi:10.1109/tmag.2017.2701792

Cited by 50 publications

(17 citation statements)

References 9 publications

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“…A XIAL-FLUX permanent magnet (AFPM) topology exhibits higher power density and efficiency than traditional radial-flux permanent magnet (RFPM) machines [1]. Compact structure, better cooling capabilities, and adjustable airgap make the AFPM technology an attractive candidate compared to RFPM.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Motional Eddy Currents in the Slitted Stator Core of an Axial-Flux Permanent-Magnet Machine

Friedrich¹,

Gysen²,

Jansen³

et al. 2020

IEEE Trans. Magn.

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Section: Introductionmentioning

confidence: 99%

Analysis of Motional Eddy Currents in the Slitted Stator Core of an Axial-Flux Permanent-Magnet Machine

Friedrich¹,

Gysen²,

Jansen³

et al. 2020

IEEE Trans. Magn.

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“…This topology is only justified on the grounds of having coil pitch equal to one or in the case of single‐sided topologies. Otherwise, not only this configuration does not offer any advantages over the second configuration, but also has larger end windings which reduce the efficiency and increases the copper consumption [22, 23]. According to Fig.…”

Section: Introductionmentioning

confidence: 99%

Design, modelling and optimisation of a slot‐less axial flux permanent magnet generator for direct‐drive wind turbine application

Ghaheri

Ajamloo

Torkaman

et al. 2020

IET Electric Power Applications

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Axial flux permanent magnet machines (AFPMs) are potential candidates for direct‐drive wind turbines (DDWTs) due to offering high value of torque density. In slotless AFPM topologies, the cogging torque is absent which makes them more suitable for DDWTs, which provides an easier turbine start‐up. In this research, a robust design and optimisation procedure of a slotless double‐sided AFPM is discussed. The non‐linear magnetic equivalent circuit is established and the optimisation is performed by the response surface methodology to achieve a cost‐effective generator with high power density value. The generator is prototyped and the test results are presented comparing them with the numerical study and non‐optimised design results. To minimise the AFPM torque ripple which is necessary for DDWT application, a cost‐effective solution is proposed leading to a dramatic improvement in the AFPM torque ripple without reducing the average torque.

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“…Thermal analysis on AFPMSM currently lacks sufficient theoretical derivation. A comparison is presented between electrical steel core and soft magnetic composite core for AFPMSM stator core [4]. A lumpedparameter thermal network model is built for AFPMSM using traditional loss equations at middle radius [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Hierarchical thermal network analysis of axial‐flux permanent‐magnet synchronous machine for electric motorcycle

Chen

Liang

Gao

et al. 2018

IET Electric Power Applications

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A novel 24 kW 12-slots/10-poles axial-flux permanent-magnet synchronous machine (AFPMSM) with external rotor motor applied to the large electric motorcycle is introduced in this study, which has the characteristics of the yokeless and segmented armature for power density improvement. The hierarchical method is used for calculation of stator iron core loss based on the analytical solution of air-gap flux density, which cuts the prototype into many equivalent linear motor slices in the circumferential direction. A major advantage of hierarchical methods over traditional iron core loss calculation is its higher accuracy and rapidity. Then a lumped parameter T-type thermal network model is presented for AFPMSM temperature rise calculation. A 3D liquid-solid coupling model is compared with the 2D T-type lumped parameter thermal network. Finally, a temperature rise measurement platform is established to verify the above-mentioned methods. Testing result shows that the hierarchical method and T-type thermal network have a higher accuracy to predict each part temperature.

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Comparison of Axial Flux Permanent Magnet Synchronous Machines With Electrical Steel Core and Soft Magnetic Composite Core

Cited by 50 publications

References 9 publications

Analysis of Motional Eddy Currents in the Slitted Stator Core of an Axial-Flux Permanent-Magnet Machine

Analysis of Motional Eddy Currents in the Slitted Stator Core of an Axial-Flux Permanent-Magnet Machine

Design, modelling and optimisation of a slot‐less axial flux permanent magnet generator for direct‐drive wind turbine application

Hierarchical thermal network analysis of axial‐flux permanent‐magnet synchronous machine for electric motorcycle

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