Winding technology

Hagedorn, Jürgen; Blanc, Florian Sell-Le; Fleischer, Jürgen

doi:10.1007/978-3-662-54402-0_3

Cited by 6 publications

(9 citation statements)

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“…Many alternatives to copper have been considered, including silver and gold. Silver has a better conductivity than copper, but the cost of the raw material is much higher [46]. Aluminium has been also considered as a more cost-effective alternative [46], but it has a lower conductivity; therefore, aluminium windings must have more turns or have a greater diameter than the copper alternative [47] or be coated in copper [46].…”

Section: Windingsmentioning

confidence: 99%

“…Silver has a better conductivity than copper, but the cost of the raw material is much higher [46]. Aluminium has been also considered as a more cost-effective alternative [46], but it has a lower conductivity; therefore, aluminium windings must have more turns or have a greater diameter than the copper alternative [47] or be coated in copper [46]. More windings or larger diameter coils leads to larger, heavier components, which require more raw material usage.…”

Section: Windingsmentioning

confidence: 99%

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The Juxtaposition of Our Future Electrification Solutions: A View into the Unsustainable Life Cycle of the Permanent Magnet Electrical Machine

Paterson,

Miscandlon,

Butler

2024

Sustainability

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Electrification is increasing in prevalence due to the importance placed on it for achieving global net zero targets. This has led to the proliferation of electrical mobility, including the wide-scale production of passenger vehicles, personal mobility devices and recent announcements regarding electrically powered aircraft, as well as in energy production. Electrical machines provide a cleaner source of energy during operation in comparison to their traditional fossil-based alternatives. The uncertainty and lack of transparency hanging over these green credentials can be attributed to how these products are manufactured and then disposed of at the end of their life. For them to be a truly sustainable solution, improvements need to be made across their entire life cycle. With the projected increase in their numbers due to the advancement of electrification, this current life cycle is not sustainable, directly opposing the intention of these products. This paper will introduce the current demand and challenges. It will also present these motors broken down into their constituent parts and follow each through their typical lifecycle. This paper presents the typical current life cycle of permanent magnet electrical machines, demonstrating the environmental issues associated with the current linear life cycle, and proposing alternative practices, to ease the environmental burden.

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Section: Windingsmentioning

confidence: 99%

Section: Windingsmentioning

confidence: 99%

The Juxtaposition of Our Future Electrification Solutions: A View into the Unsustainable Life Cycle of the Permanent Magnet Electrical Machine

Paterson,

Miscandlon,

Butler

2024

Sustainability

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show abstract

“…The coil bobbin features separate slots for the excitation and signal windings, with the excitation winding placed in the upper slot and the signal winding in the lower slot. This independent winding method streamlines the manufacturing process and enables the use of a high-speed winding machine capable of winding up to 32 coil bobbins simultaneously, significantly improving production efficiency [16].…”

Section: Sspwmw-vrr Design Principles and Advantagesmentioning

confidence: 99%

High-Precision Variable Reluctance Resolver with Segmented Parameter Winding and Magnetic Wedge for New Energy Vehicle Applications

Li¹

2023

Preprint

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<p>The new energy vehicle industry demands higher motor efficiency and control accuracy, but traditional variable reluctance resolvers face issues such as envelope waveform of the output signal, low efficiency in stacked winding, and spatial asymmetry of the two-phase winding when used as a key angle position sensor. To overcome these limitations, this paper presents a new design for high-precision variable reluctance resolvers, called the Segmented Sinusoidal Parameter Winding and Magnetic Wedge Variable Reluctance Resolver (SSPWMW-VRR), for new energy vehicle applications. The SSPWMW-VRR features a printed circuit board (PCB) connection, segmented winding structure, and magnetic slot wedge, which improve the performance and precision of the resolver. Experimental results demonstrate the potential of this design for high-precision applications, such as high-precision motor control systems for new energy vehicles, where accuracy and yield are crucial. Additionally, the new design is easy to manufacture and produce in large quantities, making it suitable for a wider range of applications. This paper provides an overview of the design, experimental verification results, and the potential for the new design to enhance the performance and reliability of variable reluctance resolvers in high-precision applications.</p>

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“…Early on in the design phase, it was foreseen to use a rectangular conductor to wind the racetrack coils, since a higher packing factor is achievable and thus a better performance can be obtained [26]. The conductor was changed to a round cross-section one because it was feared that the rectangular conductor would twist during the coil winding.…”

Section: Winding Pack Composite Propertiesmentioning

confidence: 99%

Mechanical design of a superconducting demonstrator for magnetic density separation

Kosse

Wessel

Zhou

et al. 2021

Supercond. Sci. Technol.

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The focus of this paper is on the mechanical design of a NbTi-based demonstrator magnet for magnetic density separation (MDS) that is being constructed at the University of Twente. MDS is a new recycling technology that allows the separation of non-magnetic particles based on their mass density, using a vertical magnetic field gradient and a ferrofluid. The unique mechanical design challenge for this type of magnet is the desired minimization of the distance between a sim1 m2 planar array of cryogenic racetrack coils and the ambient-temperature ferrofluid bath. The optimization of the magnet geometry results in a distance between the coils and ferrofluid of 50 mm. This is made possible by opting for conduction-cooling, for the inclusion of room-temperature rods that pass through the cold mass to support the cryostat, and for the geometry of the cassette that reacts to the Lorentz force.

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Winding technology

Cited by 6 publications

References 0 publications

The Juxtaposition of Our Future Electrification Solutions: A View into the Unsustainable Life Cycle of the Permanent Magnet Electrical Machine

The Juxtaposition of Our Future Electrification Solutions: A View into the Unsustainable Life Cycle of the Permanent Magnet Electrical Machine

High-Precision Variable Reluctance Resolver with Segmented Parameter Winding and Magnetic Wedge for New Energy Vehicle Applications

Mechanical design of a superconducting demonstrator for magnetic density separation

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