Laminated circumferential transverse flux machines - lamination concept and applicability to electrical vehicles

Gartner, Manuel; Seibold, Peter; Parspour, Nejila

doi:10.1109/iemdc.2011.5994921

Cited by 17 publications

(5 citation statements)

References 18 publications

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“…For the 3D assembly with smaller 2D sub-assemblies [38], [40], [119], [148], [239], [240] (see in Fig. 10) it is important to have an electrical insulation between the packages.…”

Section: A Laminated-steel Machinesmentioning

confidence: 99%

Transverse Flux Machine—A Review

Kaiser

Parspour

2022

IEEE Access

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For applications with high torque demand, gearboxes are commonly used to convert torque and speed in order to receive higher specific values for torque and power. This causes additional losses, cost, inaccuracies, effort, and noise. Eliminating the need of a mechanical gear and the associated disadvantages, Transverse Flux Machines with their high torque density are a very promising alternative. Despite a high torque density and a good efficiency, these types of machines are not commonly used. Due to the complex structure, challenges with mechanical design, and modeling of the machine behavior arise. Additionally, there are high requirements for the inverter due to the low power factor. This paper provides an overview of the state of the art including the potentials and advantages but also the problems and hindrances of these types of machines. Relating to linear and rotary machines from research and industry, the machine is introduced with its history, application and classification. Further, the general technical aspects, the influence of materials for flux guidance, the methods of modeling, methods for a minimization of torque ripples, as well as methods for power factor improvement are presented.

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“…For the 3D assembly with smaller 2D sub-assemblies [38], [40], [119], [148], [239], [240] (see in Fig. 10) it is important to have an electrical insulation between the packages.…”

Section: A Laminated-steel Machinesmentioning

confidence: 99%

Transverse Flux Machine—A Review

Kaiser

Parspour

2022

IEEE Access

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“…However, in cylindrical MPM machines, the geometry for the lamination is normally extrapolated in the circumferential direction, which is difficult to realize in manufacturing. Laminations can be made in the axial plane but require a core-back laminated in the orthogonal plane aligned with the path of flux [7]. This work was conducted under the Engineering Doctorate programme supported by Höganäs AB…”

Section: B Laminated Ironmentioning

confidence: 99%

“…MPMs are gaining favor in low speed, high torque applications [3][4][5][6]; however, their construction can vary quite dramatically. There is no typified structure, with some favoring C-core stator assemblies constructed solely from a laminate material [7], other topologies consider some -or all -magnetic parts made from soft magnetic composite (SMC) materials [8,9] providing extra degrees of flexibility in component design, whilst further examples contain claw-pole or claw-pole type structures [10,11]. It is unclear which construction method provides the best possible solution for a range of applications as the requirements can constrict the possibilities available.…”

Section: Introductionmentioning

confidence: 99%

Construction methods for modulated pole machines

Jordan

Baker

Washington

et al. 2017

2017 IEEE International Electric Machines and Drives Conference (IEMDC)

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The modulated pole machine (MPM) is known to offer high torque density utilizing permanent magnets and a three dimensional flux pattern. However, their construction requires a departure from conventional coil wound teeth formed of lamination stacks which can be a challenge. In this paper three construction techniques for MPM stators are compared: pure soft magnetic composite, pure lamination and a hybrid of the two. Simulation and practical knowledge of the build of each of these machines, including torque capability and mechanical tolerances is presented and discussed. Using the methods proposed here, it is shown that the pure laminate MPM machine has the potential to offer the greatest torque per kg of active material, yet it is the hybrid machine which delivers the highest absolute torque.

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“…As expected the reluctance machine has a lower torque density than the PM machine, but both are very high, 14KNm/m 3 and 56KNm/m 3 respectively. However they have a very low maximum speed, 1000 rpm [43]. The machines here, similar to the axial flux machines, have been designed for a specific power node to show optimal performance from the TFMs.…”

Section: J Transverse Flux Machines (Tfm)mentioning

confidence: 99%

A topology selection consideration of electrical machines for traction applications: towards the FreedomCar 2020 targets

Walker

Galea

Gerada

et al. 2015

2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER)

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This paper details a qualitative comparison between different types of electrical machine for hybrid electric vehicle traction applications. Targets set by the US Department of Energy for the year 2020 are used as goals. Several types of machine for this application will be discussed, focusing on the benefits and challenges of each machine when applied to these targets. Then the machines are compared based on appropriate quality indices relative to general performance characteristics. It is shown that the interior permanent magnet machine is the most suited topology for traction applications with these challenging targets. Two machine designs for these targets are briefly compared at the end of the paper

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Laminated circumferential transverse flux machines - lamination concept and applicability to electrical vehicles

Cited by 17 publications

References 18 publications

Transverse Flux Machine—A Review

Transverse Flux Machine—A Review

Construction methods for modulated pole machines

A topology selection consideration of electrical machines for traction applications: towards the FreedomCar 2020 targets

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