A comprehensive review of permanent magnet transverse flux machines for direct drive applications

Husain, Tausif; Hasan, Iftekhar; Sözer, Yilmaz; Husain, Iqbal; Muljadi, Eduard

doi:10.1109/ecce.2017.8095933

Cited by 17 publications

(15 citation statements)

References 31 publications

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“…In flux concentrated setup, the inset magnets allow a significant increase in the air gap flux density because magnetic flux is concentrated to a flux path with a smaller cross-section than the magnet. The relationship between magnet and pole face area is given by flux focusing factor as [79].…”

Section: B Flux Concentratedmentioning

confidence: 99%

“…The typical low power factor in the TFPM machine requires an inverter with a high power-rating which causes two to three-time higher system cost compared to a conventional machine. In normal operation, the working power factor of traditional RFPM and TFPM machine can be calculated by ignoring the phase resistance as [79]:…”

Section: F Power Factormentioning

confidence: 99%

“…The selection of iron is based on the permeability of the core and value of magnetic flux density where saturation in the iron occurs. Moreover, the material properties, the thickness of the laminations, and the bonding of iron powder particles affect the magnetic losses in the rotor and stator cores [79]. The use of SMC for the magnetic core is advantageous for complex geometries with 3-D flux paths.…”

Section: ) Iron Coresmentioning

confidence: 99%

“…The analytical models commonly utilize the supposition of a sinusoidally varying flux density in the air gap. The first step in analytical models is sizing the machine based on the dimensions where the performance of the machine in terms of induced voltage and force is obtained through PM flux linkage [79]. This is done in 2-D or quasi 3-D.…”

Section: A Sizing Equationsmentioning

confidence: 99%

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A Review on Transverse Flux Permanent Magnet Machines for Wind Power Applications

et al. 2020

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Transverse flux permanent magnet (TFPM) machines are a potential candidate for directdrive wind power application due to high torque and power densities. The operating principle of TFPM machines is firstly described with various topologies available in literature, with the placement of magnets as a criterion for the classification of TFPM machine topologies. This review includes characteristics, power factor improvement, cogging torque minimization, material consideration, modelling techniques, and scalability. Different wind turbine concepts with direct-drive machines, control techniques and power converter topologies are also considered in this paper. INDEX Permanent magnet, topologies, transverse flux, and wind power.

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Section: B Flux Concentratedmentioning

confidence: 99%

Section: F Power Factormentioning

confidence: 99%

Section: ) Iron Coresmentioning

confidence: 99%

Section: A Sizing Equationsmentioning

confidence: 99%

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A Review on Transverse Flux Permanent Magnet Machines for Wind Power Applications

et al. 2020

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“…On the other hand, the latter offers simple structure but produces lower amount of power in comparison with the double-sided. Therefore, the both could not cover simple structure and higher power production [21][22][23]. However, among different TFPM topologies, the Claw Pole structure shows interesting features, mentioned previously.…”

Section: Introductionmentioning

confidence: 98%

Impact of Number of Phases on Electromagnetic Torque Characteristics of Transverse Flux Permanent Magnet Machines

Alaeddini

Tahanian

Darabi

2019

AEM

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This paper presents an investigation on the influences of number of phases of Transverse Flux Permanent Magnet (TFPM) machines on the characteristics of developed electromagnetic torque. Electromagnetic torque is expressed in terms of the Fourier series of phase currents and internal voltages. After some algebraic and trigonometric calculations, a general equation is obtained that establishes a relationship between the electromagnetic torque ripples, number of phases and harmonic contents of both internal voltages and phase currents. This result is significant when it is required to design a few specific number of identical single-phase TFPM machines which finally they will be assembled such that to build a multi-phase machine with a minimum torque ripple. The design parameters of a case study Claw Pole TFPM machine are introduced with some details and a few FE based simulation results are given as the validations of the analytical approach of the present paper. The simulation results show clearly the impact of each harmonic of the internal voltages and phase currents on the torque ripple for various numbers of phases leading the designer to find out which number of single-phase machine combinations is the optimum one regarding the torque ripple.

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Analytical Performance Estimation of a Fall-Back Inner-Rotor Transverse-Flux Permanent Magnet Generator using Magnetic Equivalent Reluctance Circuit

Patel

Vora

2023

Electric Power Components and Systems

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A comprehensive review of permanent magnet transverse flux machines for direct drive applications

Cited by 17 publications

References 31 publications

A Review on Transverse Flux Permanent Magnet Machines for Wind Power Applications

A Review on Transverse Flux Permanent Magnet Machines for Wind Power Applications

Impact of Number of Phases on Electromagnetic Torque Characteristics of Transverse Flux Permanent Magnet Machines

Analytical Performance Estimation of a Fall-Back Inner-Rotor Transverse-Flux Permanent Magnet Generator using Magnetic Equivalent Reluctance Circuit

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