Compressor high-frequency harmonic torque compensation method, compressor controller and air conditioner

A high-frequency harmonic, torque compensation technology, applied in torque ripple control, motor generator control, control of electromechanical brakes, etc., can solve problems such as noise and excitation vibration

Active Publication Date: 2017-11-28
GUANGDONG MEIZHI COMPRESSOR
View PDF4 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to propose a compressor high-frequency harmonic torque compensation method, compressor controller and air conditioner, aiming to solve the problem of the diffe

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
  • Compressor high-frequency harmonic torque compensation method, compressor controller and air conditioner
  • Compressor high-frequency harmonic torque compensation method, compressor controller and air conditioner
  • Compressor high-frequency harmonic torque compensation method, compressor controller and air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] 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 embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second" and ...

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 compressor high-frequency harmonic torque compensation method, a compressor controller and an air conditioner. The method comprises the steps of acquiring a vibration amplitude of the compressor in operation; when the vibration amplitude of the compressor is higher than a first preset vibration value, acquiring a load torque harmonic wave and an output electromagnetic torque harmonic wave of the compressor in the current operation working condition, determining a harmonic compensation order according to the load torque harmonic wave and the output electromagnetic torque harmonic wave; determining a harmonic frequency which corresponds with the harmonic compensation order, stacking a sine electromagnetic torque with a corresponding frequency into an output electromagnetic torque according to the harmonic frequency, adjusting a harmonic phase which corresponds with the sine electromagnetic torque according to a multiple-iteration method; and when a fact that the harmonic amplitude which corresponds with the output electromagnetic torque with the stacked sine electromagnetic torque reaches a highest value, recording the harmonic wave which corresponds with the current sine electromagnetic torque as an optimal compensation phase, and performing compensation on the high-frequency harmonic torque of the compressor according to an optimal compensation phase. The compressor high-frequency harmonic torque compensation method, the compressor controller and the air conditioner realize high-frequency harmonic torque compensation of the compressor.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to a compressor high-frequency harmonic torque compensation method, a compressor controller and an air conditioner. Background technique [0002] The permanent magnet synchronous motor in the compressor generally tracks all the load torque applied to the motor shaft, and then outputs an electromagnetic torque corresponding to the load torque. However, when the high-frequency harmonic component in the load torque is large, the electromagnetic torque output by the motor cannot track the load torque well due to the limitation of the bandwidth of the control system in the existing permanent magnet synchronous motor, which will The difference between the high-frequency harmonic components of the electromagnetic torque and the load torque produces a periodic pulsating torque, which excites vibrations, eventually threatening the pipeline safety of the air conditioning system and gene...

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
IPC IPC(8): H02P6/10H02P21/05F04B49/06
CPCF04B49/06H02P6/10H02P21/05
Inventor 刘超丛肖钊任新杰
Owner GUANGDONG MEIZHI COMPRESSOR
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap