Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Novel asymmetric modular permanent magnet auxiliary synchronous reluctance motor and vibration noise optimization method thereof

A technology to assist synchronous and reluctance motors. It is used in synchronous motors with stationary armatures and rotating magnets, motor control, and generator control. It can solve problems such as unbalanced electromagnetic forces of motors, and achieve vibration acceleration and sound power. The effect of reducing the level and improving the vibration and noise performance

Active Publication Date: 2021-12-07
JIANGSU UNIV
View PDF11 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the unbalanced electromagnetic force generated by the motor due to the asymmetric structure, which brings new vibration and noise problems, the present invention proposes a novel asymmetric modular permanent magnet assisted synchronous reluctance motor and its vibration and noise optimization method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Novel asymmetric modular permanent magnet auxiliary synchronous reluctance motor and vibration noise optimization method thereof
  • Novel asymmetric modular permanent magnet auxiliary synchronous reluctance motor and vibration noise optimization method thereof
  • Novel asymmetric modular permanent magnet auxiliary synchronous reluctance motor and vibration noise optimization method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the present invention. 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.

[0048] Such as figure 1 As shown, the structural diagram of the traditional asymmetric modular permanent magnet assisted synchronous reluctance motor, in which 1 is the rotor, 2 is the stator, 3 is the flux gap, 4 is the stator winding, 5 is the magnetic barrier, 6 is the ferrite permanent magnet. Taking the 36-slot 6-pole asymmetric modular permanent magnet assisted synchronous reluctance motor as an example, the method steps are as follows.

[0049] Step 1, analyzing the radial force distribution of the asymmetric structure motor;

[0050] The magnetic density is obtained through the magnetic potential...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a novel asymmetric modular permanent magnet auxiliary synchronous reluctance motor and a vibration noise optimization method thereof. The method comprises the following steps: analyzing radial force distribution of an asymmetric structure motor; according to a motor vibration theory, the unbalanced electromagnetic force and resonance are reasons for causing large vibration; establishing different motor models to obtain rotor relative magnetic conductance and harmonic waves thereof, and proposing optimization of a rotor structure and weakening of unbalanced electromagnetic force according to analysis of the rotor relative magnetic conductance; according to a stator magnetic density cloud graph, providing an optimized stator structure of a stator magnetic flux gap and an auxiliary slot to weaken the resonance influence so as to determine an optimal motor model; after verification, the optimized motor can effectively reduce the vibration and noise of the motor. According to the method, vibration noise analysis and optimization are carried out on the modular motor of the asymmetric structure, and the method provides reference for design optimization of the motor of the type.

Description

technical field [0001] The invention relates to a novel asymmetric modular permanent magnet assisted synchronous reluctance motor and its vibration and noise optimization method, which belongs to the technical field of low vibration and noise motor design and is used in aerospace, high-performance ships and other occasions. Background technique [0002] The development of permanent magnet motors is restricted by the high price of NdFeB. In order to reduce production costs, researchers have proposed permanent magnet assisted synchronous reluctance motors. The advantages of this type of motor are acceptable torque density, high efficiency, and require only cheap ferrite. In recent years, more and more attention has been paid to optimizing the rotor to improve the electromagnetic performance. Asymmetric stators and rotors have been proposed to suppress torque ripple, but the asymmetric structure would generate unbalanced electromagnetic forces. New problems of vibration and n...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02K21/14H02K1/27H02P21/05H02P21/28H02P21/26H02P21/00H02P25/098
CPCH02K21/14H02K1/276H02P21/05H02P21/28H02P21/26H02P21/0003H02P25/098H02P2207/05
Inventor 刘国海高阿康陈前毛彦欣徐高红
Owner JIANGSU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com