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Influence of Inner Skin- and Proximity Effects on Conduction in Litz Wires
For inductive components such as coils, inductors or transformers, litz wires with isolated strands are used to decrease conduction losses in applications with higher operating frequencies. DependingExpand
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A novel positioning tolerant inductive power transfer system
Inductive power transfer (IPT) systems significantly depend on magnetic coupling and coil characteristics. To achieve maximum coupling in case of an air gap and misalignments, different coil shapesExpand
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Calculation of Power Losses in Litz Wire Systems by Coupling FEM and PEEC Method
The frequency-dependent resistance of inductive components with high-frequency litz wires is essential for the design of power electronic systems. A novel simulation approach is demonstrated, whichExpand
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Inductive power transfer system with a rotary transformer for contactless energy transfer on rotating applications
This paper examines an inductive power transfer (IPT) system with a rotary transformer as an alternative solution to slip ring systems for a contactless energy transfer to rotating equipment. AExpand
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Design and optimization of a multi-coil system for inductive charging with small air gap
This paper focuses on the magnetic design of a multi-coil system for an inductive power transfer (IPT) system for charging electric vehicles with a small air gap between transmitter and receiverExpand
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Autonomous circuit design of a resonant converter (LLC) for on-board chargers using genetic algorithms
In the field of conductive and inductive charging systems, contrary requirements such as high power density, small installation space, low power losses and costs need to be optimized for multipleExpand
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Optimized 2D positioning of windings in inductive components by genetic algorithm
In the design process of inductive power transfer systems the shape of the inductive component is essential for the operation point, the losses and thus the efficiency. Based on a new placementExpand
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Influence of varying bundle structures on power electronic systems simulated by a coupled approach of FEM and PEEC
Even for litz wire conductors consisting of the same amount of strands, the frequency-dependent power losses on system level differ significantly between different bundle structures. The multi-scaleExpand