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

Transformer-free tandem active alternating voltage quality adjuster and its control method

A technology of AC voltage and transformer, applied in the field of series active AC voltage quality regulator and control, which can solve the problems of poor load adaptability, poor load adaptability, frequency change sensitivity, etc., and achieve high voltage stabilizing ability, filtering performance and cost Low, small energy effect

Inactive Publication Date: 2006-09-06
MOSO POWER SUPPLY TECH
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages: poor load adaptability, sensitive to frequency changes, large volume
Disadvantages: sensitive to frequency changes, poor load adaptability
Therefore, transformers will become less and less expensive in the future

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
  • Transformer-free tandem active alternating voltage quality adjuster and its control method
  • Transformer-free tandem active alternating voltage quality adjuster and its control method
  • Transformer-free tandem active alternating voltage quality adjuster and its control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] refer to figure 1 As shown, it is composed of power supply 1, charging circuit 2, energy storage device 3, inverter device 4, bypass switch 5, output filter device 6, load 7 and control system 8, and its connection relationship is as follows figure 1 shown. The charging circuit 2 is connected to the power source 1, one end of the inverter device 4 is connected to one end of the energy storage device 3; one end of the inverter device 4 is connected to the energy storage device 3, and the other end is connected to the output filter device 6; one end of the output filter device 6 is connected to the The inverter device 4 is connected, and the other end is connected to the load 7; one end of the bypass switch 5 is connected to the power source 1, and the other end is connected to the load 7; the control system 8 is connected to the power source 1, the charging circuit 2, the energy storage device 3, and the inverter device 4 , bypass switch 5, output filter device 6, and l...

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

Wherein, with PWM but not coupled transformer to couple or isolate the ac or dc, it compensates the ac voltage in series directly, can stabilize voltage and filter to the ac power supply in electrical distribution system, and improves power supply quality, even there is frequency fluctuation. This invention has small volume and high efficiency with low cost.

Description

technical field [0001] The invention belongs to the technical field of electric engineering, and in particular relates to a series active AC voltage quality regulator without a transformer and a control method. Background technique [0002] With the development of modern science and technology, on the one hand, the factors causing power quality problems are increasing; The requirements are getting higher and higher, and the contradictions of the above problems are becoming more and more prominent. [0003] Most of the power quality problems can be attributed to the voltage quality problem, especially the voltage quality problem of the common node. Various disturbances in the grid voltage, such as voltage rises, drops, transients, harmonics, etc., will lead to the normal use, performance degradation, and shortened life of some important loads or equipment sensitive to voltage quality, and will also cause some production equipment to fail. Normal operation, even damage, seri...

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): G05F1/12G05F1/44
Inventor 肖国春王兆安卓放裴云庆杨旭
Owner MOSO POWER SUPPLY TECH
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