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Rotor that can be configured with a high number of poles for a reluctance machine

A technology of rotor and reluctance, which is applied in the field of rotor of reluctance machines, can solve the problems of high reactive current and large commutator

Inactive Publication Date: 2017-04-19
FLENDER GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This results in a high reactive current demand of the machine which in turn leads to a larger commutator

Method used

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  • Rotor that can be configured with a high number of poles for a reluctance machine
  • Rotor that can be configured with a high number of poles for a reluctance machine
  • Rotor that can be configured with a high number of poles for a reluctance machine

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Embodiment Construction

[0040] The examples set forth below are preferred embodiments of the invention. In the exemplary embodiment, however, the described components of the embodiment are each individual feature of the invention which can be considered independently of one another, which also respectively improve the invention independently of one another and can thus also be used individually or in a manner similar to what is shown. Combinations of various components are considered to be part of the present invention. Furthermore, the described embodiments can also be supplemented by further features of the invention which have already been described.

[0041] For a better overview, functionally identical elements are provided with the same reference symbols in the figures.

[0042] exist figure 1 shows a longitudinal section of an electric machine E, which can be a reluctance machine. exist figure 1 The axis of rotation A and also the axis of symmetry of the view are shown in . The electric m...

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Abstract

The invention relates to a rotor (10) for a reluctance machine (E) comprising pole regions (16) arranged along a circumference (12), comprising a transition surface (14) for a transition of a magnetic flux to an air gap (L) of the reluctance machine (E), wherein each adjacent pole region (16) is magnetically coupled via a flux conducting element (18). The rotor (10) should be able to be configured with a high number of poles, without overly compromising the power factor. The rotor (10) additionally has a shaft (D), on which the flux conducting elements (18) are each formed by a block (28, 34), wherein a material (22) of the block (28, 34) has a magnetic anisotropy with an easy axis (24) and a hard axis of magnetizability, and the easy axis (24) is arranged, at least ins sections, tangentially to the circumference (12) or at least at an angle of less than 25 degrees relative to the tangent of the circumference (12).

Description

technical field [0001] The invention relates to a rotor for a reluctance machine, ie a rotor without its own electric or magnetic excitation means. Instead, the rotor has pole regions arranged along the circumference, which have transition surfaces through which the magnetic flux can pass from the air gap of the reluctance machine into the pole regions or from the pole regions to leave. Adjacent pole regions are magnetically coupled via flux guiding elements. An electric machine with a rotor according to the invention and a method for producing the rotor also belong to the invention. Background technique [0002] Previous reluctance armatures usually consist of an anisotropic soft magnetic material which has depressions which can be filled with air. The recess thus forms a flux stop. The flux cutoff generally affects the mechanical stability of the armature. [0003] In a reluctance machine, the power factor consphi decreases as the number of poles increases. This resu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/24H02K1/02
CPCH02K1/246H02K1/02
Inventor 拉尔夫·菲舍尔科尔宾尼安·彼得迈尔罗兰·泽伊菲斯尔
Owner FLENDER GMBH
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