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A Single-Layer Concentrated Winding DC Injection Vernier Reluctance Motor

A technology of concentrated winding and DC injection, which is applied to the shape/style/structure of winding conductors, magnetic circuit rotating parts, magnetic circuit static parts, etc. The problem of low full rate, etc., can reduce the consumption of copper materials, improve the tank full rate, and smooth the current waveform.

Active Publication Date: 2019-05-14
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] (1) The winding of the reluctance motor is a double-layer winding, and phase-to-phase insulation needs to be laid in the stator slot, which occupies a part of the space in the slot, and the slot filling rate is not high, so the torque density of the motor is not high;

Method used

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  • A Single-Layer Concentrated Winding DC Injection Vernier Reluctance Motor
  • A Single-Layer Concentrated Winding DC Injection Vernier Reluctance Motor
  • A Single-Layer Concentrated Winding DC Injection Vernier Reluctance Motor

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0043] In the preferred embodiment of the present invention, the motor topology of the first embodiment is basically the same as that of the second embodiment, and the only difference is that the slot-pole fit is different. Therefore, this embodiment selects one of the pole-slot fit schemes for illustration.

[0044] Figure 1(a) is a single-layer concentrated winding DC injection type vernier re...

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Abstract

The invention discloses a single-layer concentrated winding DC injection type cursor reluctance machine. The single-layer concentrated winding DC injection type cursor reluctance machine comprise a stator (1), a rotor (2) and windings (3), wherein the stator (1) and the rotor (2) are both of salient pole structures, the single-layer concentrated winding DC injection type cursor reluctance machine is characterized in that the windings (3) are single-layer fractional-slot non-overlapping concentrated windings, a current in each winding comprises a sine AC component and a DC component, the sine AC component is used for generating a rotation magnetic potential, and the DC component is used for generating a rotation magnetic field. The reluctance machine is a single-layer winding, and no inter-insulator is needed. Compared with the prior art, the single-layer concentrated winding DC injection type cursor reluctance machine has the advantages that the space factor can be improved, and the torque density of the machine is further improved; and moreover, compared with the prior art, the single-layer concentrated winding DC injection type cursor reluctance machine has the advantages that the least common multiple of the stator Z1 and the rotor slots Z2 of the reluctance machine proposed by the invention is improved, and the torque pulse is reduced below 30%.

Description

technical field [0001] The invention belongs to the field of reluctance motors, and more specifically relates to a single-layer concentrated winding DC injection type vernier reluctance motor. Background technique [0002] Permanent magnet motors have the advantages of high power density, high efficiency, and high power factor, and have been widely used in servo systems, electric vehicle drive systems, and wind power generation. However, the permanent magnets of permanent magnet motors, especially rare earth permanent magnets, are expensive and fluctuate greatly, resulting in high cost of permanent magnet motor systems. In some cost-sensitive applications, the application of permanent magnet motors is limited. . In addition, because the permanent magnet flux linkage is difficult to adjust and it is difficult to demagnetize under fault conditions such as short circuits, the application of permanent magnet motors in aerospace and other fields is also relatively limited. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/14H02K1/16H02K1/24H02K1/26H02K3/12
CPCH02K1/14H02K1/16H02K1/24H02K1/26H02K3/12
Inventor 曲荣海贾少锋李大伟李健孔武斌
Owner HUAZHONG UNIV OF SCI & TECH
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