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Winding for an electrical machine

a technology of electrical machines and winding rods, applied in the direction of dynamo-electric components, dynamo-electric machines, basic electric elements, etc., to achieve the effects of improving torque density, reducing losses, and improving efficiency

Inactive Publication Date: 2018-03-15
UNIVERSITE CATHOLIQUE DE LOUVAIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention improves the efficiency of winding by using vertical and horizontal shortcuts that can reduce the overall resistance of the winding and improve its performance. These shortcuts can be connected on both first and second layers, and a plurality of vias can be used to connect the corresponding vertical and horizontal shortcuts in the first and second layers.

Problems solved by technology

The losses are mainly related to the electrical resistance of the winding.

Method used

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  • Winding for an electrical machine

Examples

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Embodiment Construction

[0047]In all the examples of the prior art and of the invention discussed herein, a first conductor 61, represented as a continuous line is connected to a second conductor 62, represented as dashed lines so as to form a turn. Conductors 61, 62 may be straight lines, broken lines or curves.

A pair of conductors 61, 62 of a turn may for a loop. In this case, the conductors may show a line of symmetry, with respect to a line passing through their midpoint, and form lap windings, as shown in FIGS. 1, 3, 5, 7, and 9. The line at mid-height of the windings is represented on the drawings as a dotted line at the left and right end of the windings.

Alternatively, a pair of conductors 61, 62 of a turn may for a wave. In this case, the conductors may show a point of symmetry, and form wave windings, as shown on FIGS. 2, 4, 6, 8, 10, 11 and 12. In a first embodiment of the invention, the conductors may be wires or rods insulated from each other by many means known in the art. For example, the con...

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Abstract

Winding for an electrical machine having an inductor with pole pitch τp, having a plurality of groups of turns intercepting a fraction of a magnetic field, each group comprising a first subgroup of turns and a second subgroup of turns of same phase at a distance equal to τp, the turns of the first subgroup being connected in such a way that a current may flow in same direction in all turns of said subgroup, the turns of the second subgroup being connected in such a way that a current may flow in same direction in all turns of said subgroup, a turn of the first subgroup being connected to a turn of the second subgroup in such a way that the direction of said current in the first group is opposite to the direction of the current in the second subgroup.

Description

FIELD OF THE INVENTION[0001]The invention relates to a winding for an electrical machine.DESCRIPTION OF PRIOR ART[0002]Electrical machines exist under many forms. These machines can be generators, producing electrical energy from mechanical energy, or motors, producing mechanical energy from electrical energy. Rotating machines have a rotor rotating around an axis in relation to a stator. Linear machines have a static element and a moving element moving linearly with respect to the static element. The present invention relates to electrical machines having an inductor producing a magnetic field and an armature winding wherein currents may flow. When the inductor is the rotor of a rotating electrical machine and is a permanent magnet, no brushes are needed for accessing the current in the armature winding. Rotating electrical machines may comprise an inductor producing a magnetic field directed mainly radially, with a winding having a generally cylindrical shape. Rotating electrical ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H02K3/28H01F27/28H01F27/32
CPCH02K3/28H01F27/2804H01F27/323H02K2203/03H02K3/26H02K2213/03H02K3/34
Inventor DEHEZ, BRUNOBAUDART, FRANCOIS
Owner UNIVERSITE CATHOLIQUE DE LOUVAIN