Investigation of an Electrically Excited Vernier Machine with a Concentrated Winding intended for Traction Applications

Thyroff, Dominik; Hahn, Ingo

doi:10.1109/iwed.2019.8664396

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…The angle difference of adjacent angle  can be calculated as follows, (10) According to the PPNs of main working harmonics of the two windings,  of the proposed winding design is equal to 40deg, while that of the conventional winding equals to 100deg. The winding factor kw of these two models are also calculated as following (11), (11) where is the pitch factor, is the distributed factor, is the number of the least EMF vector per phase, is the pole-pair number, is the phasor angle between the neighboring coils.…”

Section: Armature Winding Design Utilizing High-order-harmonicsmentioning

confidence: 99%

Novel Electrically Excited Doubly Salient Variable Reluctance Machine With High-Order-Harmonic Winding

Niu

et al. 2023

IEEE Trans. Magn.

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DC excited doubly salient variable reluctance machine has received more attention due to its robust rotor structure, low cost and permanent magnet-free. In this paper, a short-pitch distributed winding connection with improved fifth order harmonic is newly applied in this kind of machine to enhance the torque production under the same current excitation. Its electromagnetic performance is analyzed by finite element analysis. The simulation results verify that compared with the traditional concentrated winding distribution, the proposed winding arrangement can effectively improve the back EMF as well as the motor output torque density.

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Section: Armature Winding Design Utilizing High-order-harmonicsmentioning

confidence: 99%

Novel Electrically Excited Doubly Salient Variable Reluctance Machine With High-Order-Harmonic Winding

Niu

et al. 2023

IEEE Trans. Magn.

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Novel Slot-Opening-PM Vernier Reluctance Machine With High-Order-Harmonic Winding

Niu

et al. 2023

IEEE Trans. Magn.

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To combine the advantages of permanent magnet motor and electric excitation, a hybrid excitation Vernier reluctance motor is proposed in this paper. To make improved usage of working harmonics and relieve saturation effect in the stator core, a short-pitch distributed winding connection utilizing working harmonics modulated from fifth-order harmonics of DC excitation is newly applied to this machine, and tangentially-magnetized PMs are also introduced in this paper. The finite element analysis (FEA) simulation results verify that the proposed winding arrangement can achieve 26% higher output torque density compared to the conventional concentrated winding distribution and the slot PM can effectively alleviates the magnetic circuit saturation in the stator core.

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Investigation of an Electrically Excited Vernier Machine with a Concentrated Winding intended for Traction Applications

Cited by 2 publications

References 14 publications

Novel Electrically Excited Doubly Salient Variable Reluctance Machine With High-Order-Harmonic Winding

Novel Electrically Excited Doubly Salient Variable Reluctance Machine With High-Order-Harmonic Winding

Novel Slot-Opening-PM Vernier Reluctance Machine With High-Order-Harmonic Winding

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