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System and method for detecting partial discharge position

A partial discharge and local technology, which is applied in the field of monitoring electronic devices to save costs and improve reliability.

Inactive Publication Date: 2010-06-16
KOREA ELECTRIC POWER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This makes it difficult to install such sensors, for example, in complex electronics

Method used

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  • System and method for detecting partial discharge position
  • System and method for detecting partial discharge position
  • System and method for detecting partial discharge position

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Embodiment Construction

[0039] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure is thorough, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size or relative sizes of layers and regions may be exaggerated for clarity. The same reference numerals refer to the same elements in the drawings. Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

[0040] image 3 is a diagram illustrating a method of detecting a partial discharge location according to an exemplary embodiment of the present invention.

[0041] Even though a gas insulated bus (GIB) including the di...

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Abstract

Disclosed are a system and a method of detecting a partial discharge position. The system comprises: a partial discharge sensor detecting an electromagnetic partial discharge signal; a waveform monitor measuring a waveform of a partial discharge signal detected by the partial discharge sensor; a conversion module converting the waveform and dividing the partial discharge signal according to each transmission mode; and a calculation module calculating a distance between the partial discharge sensor and the partial discharge position through an arrival time and a frequency of the divided partial discharge signal.

Description

technical field [0001] The present invention relates to a system and method for monitoring electronic devices, in particular, the system and method can detect the location of partial discharge. Background technique [0002] Detecting and removing discharge sources is difficult because their size is usually too small to find. Therefore, it is considered as one of the important solutions to estimate the partial discharge location more accurately to prevent the possible breakdown of the electronic device. [0003] A scheme for estimating a partial discharge position can be roughly classified into a scheme using attenuation of an electromagnetic discharge signal generated by discharge and a scheme using a difference in arrival time of the electromagnetic discharge signal at a partial amplification sensor. [0004] figure 1 is a diagram illustrating a method of detecting a partial discharge location according to the related art. [0005] refer to figure 1 , the electronic dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
CPCG01R31/1272G01R31/085G01R31/08G01R31/12G01R31/129
Inventor 具禅根朱炯俊尹珍烈韩基善朴基濬
Owner KOREA ELECTRIC POWER CORP
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