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Hybrid excitation multi-phase reluctance motor and power generation system

A technology of reluctance motor and hybrid excitation, which is applied in the direction of motors, synchronous machines, electromechanical devices, etc., and can solve the problem of narrow magnetic field adjustment range

Active Publication Date: 2020-11-10
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention is to solve the problem that the magnetic field adjustment range of the existing hybrid excitation reluctance motor is narrow. The present invention provides a hybrid excitation multiphase reluctance motor and a power generation system

Method used

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  • Hybrid excitation multi-phase reluctance motor and power generation system
  • Hybrid excitation multi-phase reluctance motor and power generation system
  • Hybrid excitation multi-phase reluctance motor and power generation system

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Experimental program
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Effect test

Embodiment 1

[0125] see figure 1 Describe this embodiment 1. The hybrid excitation polyphase reluctance motor described in this embodiment includes a stator 1 and a rotor 2, which are coaxial and have an air gap, and the rotor 2 is located in the stator 1;

[0126] The rotor 2 is composed of a rotor iron core, which is slotted along the axial direction on the air gap side of the rotor iron core, and the formed teeth and grooves are arranged alternately along the circumferential direction;

[0127] The stator 1 is composed of a stator core 1-1, an m-phase symmetrical armature winding 1-2, an excitation winding and a permanent magnet 1-4; wherein, m is the number of phases of the motor;

[0128] The stator core 1-1 has a cylindrical structure, the air gap side is slotted in the axial direction, and the formed teeth and slots are alternately arranged in turn in the circumferential direction; the air gap side of the stator core 1-1 forms a total of 4Pmk teeth, and 4Pmk teeth are composed of ...

Embodiment 2

[0137] see figure 1 Describe the second embodiment. The hybrid excitation polyphase reluctance motor described in this embodiment includes a stator 1 and a rotor 2, which are coaxial and have an air gap, and the rotor 2 is located in the stator 1;

[0138] The rotor 2 is composed of a rotor iron core, which is slotted along the axial direction on the air gap side of the rotor iron core, and the formed teeth and grooves are arranged alternately along the circumferential direction;

[0139] The stator 1 is composed of a stator core 1-1, an m-phase symmetrical armature winding 1-2, an excitation winding and a permanent magnet 1-4; wherein, m is the number of phases of the motor;

[0140] The stator core 1-1 is a cylindrical structure, and the air gap side is slotted along the axial direction, and the formed teeth and slots are alternately arranged in the circumferential direction;

[0141] A total of 2Pmk teeth are formed on the air gap side of the stator core 1-1, each tooth i...

Embodiment 3

[0151] see image 3 and Figure 4 Describe the third embodiment. The hybrid excitation polyphase reluctance motor described in this embodiment includes a stator 1 and a rotor 2, which are coaxial and have an air gap, and the rotor 2 is located in the stator 1;

[0152] The rotor 2 is composed of a rotor iron core, which is slotted along the axial direction on the air gap side of the rotor iron core, and the formed teeth and slots are alternately arranged along the circumferential direction;

[0153] The stator 1 is composed of a stator core 1-1, an m-phase symmetrical armature winding 1-2, an excitation winding and a permanent magnet 1-4; wherein, m is the number of phases of the motor;

[0154] The stator core 1-1 is a cylindrical structure, and the air gap side is slotted along the axial direction, and the formed teeth and slots are alternately arranged in the circumferential direction;

[0155] A total of 2Pmk teeth are formed on the air gap side of the stator core 1-1, a...

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Abstract

A hybrid excitation multiphase reluctance motor and a power generation system belong to the field of motors. The invention solves the problem of narrow adjustment range of the magnetic field of the existing hybrid excitation reluctance motor. By adopting the hybrid excitation electromagnetic structure in which the current and the permanent magnet are jointly excited, the air gap magnetic field can be adjusted and the excitation loss can be reduced; both the excitation winding and the armature winding are on the stator, and there are no brushes and slip rings on the rotor. The reliability is high, the maintenance is convenient, and the structure of the motor is changed by changing the winding mode of the excitation winding and the armature winding and the distribution mode of the permanent magnet. The invention is applicable to the fields of aircraft, ship, locomotive power supply, wind energy, solar energy, ocean wave energy and other new energy generation, flywheel energy storage, electric vehicle drive and the like.

Description

technical field [0001] The invention relates to a hybrid excitation multiphase reluctance motor system, which belongs to the field of motors. Background technique [0002] The air-gap flux density of the hybrid excitation motor is jointly generated by the permanent magnet and the electric excitation winding, and the magnetic field change required for the speed (or voltage) regulation is partly realized by the auxiliary electric excitation winding. When the direction of the electric excitation magnetic field is the same as that of the permanent magnetic field, the air gap magnetic field increases; when the direction of the electric excitation magnetic field is opposite to that of the permanent magnetic field, the air gap magnetic field weakens. Therefore, by adjusting the magnitude and direction of the current of the electric excitation winding, not only the field weakening control of the motor magnetic field can be realized, but also the magnetization control can be carried ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K21/38H02K21/04
CPCH02K21/38H02K21/04Y02T10/64Y02E60/16
Inventor 寇宝泉赵元胜张浩泉
Owner HARBIN INST OF TECH
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