Mixed excitation segmented rotor switch flux motor and working method thereof

A rotor switch and flux motor technology, applied in the direction of magnetic circuit rotating parts, magnetic circuits, synchronous machines, etc., can solve the problems of inconvenient adjustment of the excitation magnetic field, achieve the effects of reducing the amount of permanent magnets, improving the efficiency of the motor, and facilitating adjustment

Active Publication Date: 2016-07-27
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure of this file can be considered as a series magnetic circuit, that is, the permanent magnet and the electric excitation ma

Method used

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  • Mixed excitation segmented rotor switch flux motor and working method thereof

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[0028] The present invention will be described in detail below in conjunction with the drawings:

[0029] Such as figure 1 As shown, the hybrid-excitation block-rotor switched-flux motor includes a frame in which a stator is installed. The stator includes a stator core 1 in which armature windings, field windings 6 and permanent magnets 5 are placed. , A rotor shaft 2 is installed in the base, and a segmented rotor is installed on the rotor shaft 2;

[0030] In the stator teeth, a permanent magnet 5 is placed at every set of stator teeth, and a tooth winding is installed on the teeth of every other stator tooth with the permanent magnet as the field winding 6. When there is no permanent magnet 5 and field winding 6 The armature winding is arranged on the stator teeth of the stator, and each phase armature winding includes two phase-series coils; the armature winding specifically includes: A-phase armature winding (coil A1) 7, A-phase armature winding (coil A2) 8, B-phase armature...

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Abstract

The invention discloses a mixed excitation segmented rotor switch flux motor and a working method thereof. The flux motor comprises a motor base, wherein a stator is arranged in the motor base; the stator comprises a stator core; an armature winding, an excitation winding and permanent magnets are arranged in the stator core; a shaft is arranged in the motor base; and a segmented rotor is arranged on the shaft. The flux motor has a specific structure; the excitation loss of a segmented rotor switch flux motor adopting mixed excitation is smaller than that of the electrical excitation segmented rotor switch flux motor, so that the motor efficiency is improved; in comparison with a permanent magnet type segmented rotor switch flux motor, the amount of the permanent magnets is reduced by half, and the electromotive force can be conveniently adjusted.

Description

technical field [0001] The invention relates to a motor, in particular to a hybrid excitation segmented rotor switch flux motor and a working method thereof. Background technique [0002] In the segmented rotor switched flux motor, the field winding (or permanent magnet) and the armature winding are located on the stator, and the rotor is made of laminated silicon steel sheets with high torque density. It is generally divided into two types: electric excitation and permanent magnet excitation. [0003] The excitation magnetic field of the electric excitation type segmented rotor switch flux motor is generated by the DC excitation winding. By adjusting the magnitude of the excitation current, the motor magnetic field can be adjusted, but the excitation loss is relatively large, which affects the efficiency of the motor. [0004] In the permanent magnet type segmented rotor switched flux motor, the permanent magnet is used instead of the DC excitation winding, which reduces t...

Claims

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Application Information

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IPC IPC(8): H02K21/04H02K1/14H02K1/17H02K1/22
CPCH02K1/145H02K1/146H02K1/17H02K1/22H02K21/046
Inventor 杨玉波王秀和
Owner SHANDONG UNIV
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