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Permanent motor stator and wiring method of windings thereof

A permanent magnet motor and stator winding technology, applied in the shape/style/structure of winding conductors, static components of magnetic circuits, shape/style/structure of magnetic circuits, etc., can solve problems such as application range limits, and achieve higher voltage The effect of grade range

Inactive Publication Date: 2013-08-07
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the permanent magnet motor can only be applied to a certain level of voltage range in the prior art, and the application range is limited, and to provide a permanent magnet motor stator, which effectively improves the applicable voltage level range of the motor

Method used

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  • Permanent motor stator and wiring method of windings thereof
  • Permanent motor stator and wiring method of windings thereof

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Embodiment Construction

[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0016] The permanent magnet motor stator of the present invention comprises a stator core with a stator slot and A, B, and C three-phase windings wound in the stator slot, and the A, B, C, and three-phase windings are wound in a certain winding manner Wound in the stator slot of the stator, the A-phase winding is composed of n sections of windings A1, A2, ..., An, and the B-phase winding is composed of n sections of windings B1, B2, ..., Bn. The C-phase winding is also composed of n sections of windings C1, C2, ..., Cn (n is an integer g...

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Abstract

The invention relates to a permanent motor stator, comprising a stator iron core with a stator groove, and A-B-C three-phase windings wound in the stator groove and also comprising three controllers with at least 2n pins. In each phase of the windings, the two ends of the n sections of the windings are connected with the 2n pins of the first controller in sequence; the pins connected with each section of the windings are different; the controllers can connect the n sections of the windings together according to different modes by controlling the mutual conduction among the 2n pins; and the connecting modes of the n sections of the windings in each phase of the windings are same. By the adoption of the technical scheme, the voltage grade range applicable to a permanent motor is effectivelyimproved, and the same efficiency is realized under the voltage grade ranges.

Description

technical field [0001] The invention relates to the field of motor stators, in particular to a permanent magnet motor stator and a connection method for windings thereof. Background technique [0002] Permanent magnet motors, as a kind of commonly used power components, have been widely used in various light industry and heavy industry fields, and permanent magnet motors include motor stators and permanent magnet rotors in structure, and coils are wound on the motor stators. The stator winding of a permanent magnet motor. After the traditional permanent magnet motor is manufactured, the winding method of the stator winding of the motor has been determined and cannot be changed, which also determines that the corresponding working voltage of the permanent magnet motor can only be fixed within a certain range, and has different stator windings. The working voltage range of the permanent magnet motor with the winding method is different, and the applicable voltage level is dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/16H02K3/28
Inventor 陆细彪
Owner BYD CO LTD
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