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

Method, device, equipment and vacuum system for controlling frequency converter output voltage

An output voltage, inverter technology, applied in the control system, AC motor control, electrical components and other directions, can solve the problem of the inverter losing motor control and other issues

Active Publication Date: 2022-06-17
安川电机(中国)有限公司 +1
View PDF14 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the power supply voltage may exceed the input voltage of the inverter, and the inverter will lose control of the motor

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
  • Method, device, equipment and vacuum system for controlling frequency converter output voltage
  • Method, device, equipment and vacuum system for controlling frequency converter output voltage
  • Method, device, equipment and vacuum system for controlling frequency converter output voltage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0041] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening ele...

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 present invention provides a method, device, equipment and vacuum system for controlling the output voltage of a frequency converter. In one embodiment, the method for controlling the output voltage of a frequency converter includes: obtaining electrical parameters of the frequency converter, the electrical parameters being The output voltage of the frequency converter or the q-axis current; when the electrical parameter increases above the corresponding set threshold, the d-axis current is applied to the frequency converter; the d-axis current cooperates with the q-axis current to make the frequency converter The output voltage does not exceed its input voltage. The frequency converter output voltage control method, device, equipment and vacuum system in the embodiments of the present invention can preferably prevent the frequency converter from losing control of the working unit including the motor.

Description

technical field [0001] The invention relates to the technical field of frequency converter control, in particular to a method, device, equipment and vacuum system for controlling the output voltage of the frequency converter. Background technique [0002] The descriptions in this section merely provide background information related to the present disclosure and do not constitute prior art. [0003] The frequency converter is a common device for controlling the operation of the motor. It can adjust the output voltage and frequency through a series of operations such as rectification, filtering, and inversion to adapt to the voltage demand of the motor due to load changes. [0004] The output voltage of the inverter is the power supply voltage of the motor. In order for the inverter to control the motor, the power supply voltage cannot exceed the input voltage of the inverter. However, a change in load causes the supply voltage to the motor to change accordingly. For examp...

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 Patents(China)
IPC IPC(8): H02P27/06
CPCH02P27/06
Inventor 久保田智夫繁冈克也
Owner 安川电机(中国)有限公司
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