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Power quality improvement device and power supply system

A technology of power quality and power supply system, applied to circuits, electrical components, transformer/inductor cores, etc., can solve problems such as electrical misoperation, cable overheating, and increased power loss, and achieve easy setup, improved production efficiency, and reduced The effect of high harmonics

Inactive Publication Date: 2011-07-13
恩耐尔技术株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When such harmonic and unbalanced currents flow into the low-impedance power supply side, it causes many problems such as cable overheating, increased power loss caused by transformer core saturation, and electrical malfunctions.

Method used

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  • Power quality improvement device and power supply system
  • Power quality improvement device and power supply system
  • Power quality improvement device and power supply system

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Embodiment Construction

[0025] The advantages and features of the present invention, as well as the method for achieving the advantages and features, can be more clearly understood with reference to the following drawings and detailed descriptions of the embodiments. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in different forms. The present embodiment is provided to complete the disclosure of the present invention and to enable those with ordinary knowledge in the technical field to understand the scope of the present invention, and the present invention is only defined by the scope of the claims.

[0026] Since the present invention is capable of various modifications and forms, specific embodiments are illustrated in the drawings and the invention is described in detail. However, the specific display form of the present invention is not limited or changed accordingly, and all changes or equivalent modifications or substitutions included ...

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Abstract

The present invention relates to a power quality improvement device. The power quality improvement device is provided in the form of an autotransformer which comprises an iron core having first, second and third legs, and first, second and third coils which are wound in a zigzag fashion around said first, second and third legs. At least two coils selected from the group that includes said first, second and third coils, alternatively wound around each of said first, second and third legs, are over-lappingly wound around the core in a winding sequence.

Description

technical field [0001] The invention relates to a power quality improving device and a power supply system capable of more effectively removing harmonic waves and unbalanced currents. Background technique [0002] The development of power semiconductors has led to an increase in nonlinear loads, generating harmonics and unbalanced currents in the power system. When such harmonics and unbalanced currents flow into the power supply side with low impedance, it causes many problems such as cable overheating, increased power loss due to transformer core saturation, and electrical malfunctions. [0003] Therefore, various methods have been used in order to reduce harmonics and unbalanced currents. Contents of the invention [0004] The object of the present invention is to provide a power quality improving device, which can more effectively remove harmonics and unbalanced current, so as to improve production efficiency. [0005] Another object of the present invention is to pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/25H01F27/28
CPCH01F30/12H01F30/02H01F27/34
Inventor 朴训养
Owner 恩耐尔技术株式会社