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Deformation motoring device of power transformer winding

A technology for deformation of power transformers and windings, which is applied in the direction of electromagnetic measuring devices, electric/magnetic solid deformation measurement, etc., can solve the problems that the theory and technology of transformer winding online monitoring are not yet perfect, and achieve the effect of fast and convenient detection and simple structure

Inactive Publication Date: 2014-03-26
WUHAN XINSENHUA TECH IND DEVCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Transformer winding deformation on-line monitoring system has important engineering practice value, but the current transformer winding on-line monitoring theory and technology are not yet perfect, and the existing technology also lacks a better system that can monitor transformer winding deformation in real time

Method used

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  • Deformation motoring device of power transformer winding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] figure 1 The structure of the power transformer winding deformation monitoring device provided by the first embodiment of the present invention is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.

[0016] The power transformer winding deformation monitoring device provided in this embodiment includes:

[0017] The data acquisition unit 1 is used to collect the voltage and current signals of the power transformer windings, and convert them to generate digital signals that can be processed by the data processing unit;

[0018] The data processing unit 2 is used to receive the digital signal output by the data acquisition unit, perform calculation and processing according to the set program, output the display signal to the display control unit, and receive the instruction signal output from the display control unit;

[0019] The display control unit 3 is used to receive the display signal output by the...

Embodiment 2

[0022] figure 2 The structure of the power transformer winding deformation monitoring device provided by the second embodiment of the present invention is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.

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Abstract

The invention belongs to the technical field of testing of transformers, and provides a deformation motoring device of a power transformer winding. The deformation motoring device of the power transformer winding comprises a data collecting unit, a data processing unit and a display control unit, wherein the data collecting unit collects voltage data and current data of the transformer winding, the data processing unit caries out calculation processing, the state of the winding is displayed on the display control unit to judge whether the winding is deformed, and meanwhile the display control unit can output a control instruction to control the data processing unit. The deformation motoring device of the power transformer winding is simple in structure, capable of rapidly and conveniently detecting the deformation condition of the power transformer winding on line, and capable of providing reliable basis for maintenance of the transformer.

Description

technical field [0001] The invention belongs to the technical field of transformer testing, in particular to a power transformer winding deformation monitoring device. Background technique [0002] The power transformer is an extremely important hub of the power system and undertakes the important task of connecting power grids of different voltage levels. The safe operation of the power transformer is directly related to the safety and reliability of the entire power system. Through the statistical analysis of domestic and foreign transformer faults, the results show that the proportion of transformer accidents caused by winding deformation is relatively high. When a small degree of deformation occurs in the transformer winding, although no damage accident will occur immediately, but when the transformer continues to operate for a period of time and the deformation accumulates to a certain extent, it may cause serious failure hazards. Transformer winding deformation detect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/16
Inventor 李黎
Owner WUHAN XINSENHUA TECH IND DEVCO
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