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Universal type intelligent main transformer degausser

A general-purpose, degaussing instrument technology, applied in the direction of instruments, magnetic objects, magnetic performance measurement, etc., can solve the problems of inaccurate degaussing effect, interference, affecting degaussing effect, etc., to reduce additional degaussing loss, improve efficiency, and low cost Effect

Pending Publication Date: 2018-04-13
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simply put, the demagnetized DC interferes with the detected AC, resulting in inaccurate detection of the degaussing effect, which affects the degaussing effect

Method used

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  • Universal type intelligent main transformer degausser
  • Universal type intelligent main transformer degausser
  • Universal type intelligent main transformer degausser

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Embodiment Construction

[0018] In order to facilitate the understanding of the present invention, the present invention will be described in detail below in conjunction with the preferred embodiments of the present invention given in the accompanying drawings.

[0019] Such as figure 1 , figure 2 as well as image 3 As shown, the general-purpose intelligent main transformer degaussing instrument of the present invention includes a degaussing part for actual degaussing, a detection part for detecting whether degaussing is completed, and a touch screen for inputting instructions and observing results. The detection part includes a controller 1 , a voltage regulator 2, a detector 3 and a socket interface 4, the socket interface 4 is used to connect the degaussing part and the transformer to be detected, the controller 1AD0 port is connected to the detection signal input port of the detector 3, and the controller 1COM port Connect the control terminal of the switching power supply 5, the Y0 port and t...

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Abstract

The invention provides a universal type intelligent main transformer degausser by solving the shortcomings of the prior art, and aims to reinforce degaussing effect detection, accurately master degaussing completion time and ensure the degaussing effect while lower the degaussing time as far as possible. The technical problems are solved by adopting the technical scheme as follows: the universal type intelligent main transformer degausser comprises a degaussing part, a detecting part and a touch screen. By virtue of the degausser, the shortcomings in the prior art are overcome; by judging residual quantity of magnesium from the current, the degaussing effect can be accurately judged at a relatively low cost, thereby improving the degaussing efficiency; and by virtue of the detecting part,degaussing completion can be judged in time, so that unnecessary extra degaussing loss can be reduced.

Description

technical field [0001] The invention relates to the technical field of electric power supporting equipment, in particular to a general-purpose intelligent main transformer degausser. Background technique [0002] As one of the important components of the power grid, the transformer plays the role of energy transmission and conversion, and plays an extremely important role in the safe and stable operation of the power grid. After the DC resistance test of the transformer, there will be residual magnetism in the iron core. At this time, after the transformer is put into operation, the residual magnetism of the iron core will saturate the iron core of the transformer for half a cycle, and a large number of harmonics will be generated in the excitation current, which will cause the increase of the excitation current, that is, the excitation inrush current. The increase of the transformer may cause heavy gas protection action tripping or differential protection action tripping u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F13/00G01R33/12
CPCH01F13/006G01R33/1253
Inventor 冯哲峰沈琪倪钱杭孟凡生宣荣生葛昆明黄春光
Owner STATE GRID CORP OF CHINA
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