Integration wiring apparatus used for high voltage three-phase combination mutual inductor on-site detection

A technology of combining transformers and wiring devices, which is applied in the direction of the measuring device casing, etc., can solve the problems of equipment test safety impact, complicated secondary circuit wiring, and unfavorable work efficiency, so as to promote promotion and application, reduce work difficulty, and avoid safety problems. The effect of the accident

Inactive Publication Date: 2012-03-28
STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +1
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AI Technical Summary

Problems solved by technology

However, when the three-phase method is used for verification work on the high-voltage three-phase combined transformer operation site, the secondary lines of the three-phase combined transformer must be connected at the same time. Wrong problems will affect the safety of equipment and experiments, which is not conducive to improving work efficiency

Method used

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  • Integration wiring apparatus used for high voltage three-phase combination mutual inductor on-site detection
  • Integration wiring apparatus used for high voltage three-phase combination mutual inductor on-site detection
  • Integration wiring apparatus used for high voltage three-phase combination mutual inductor on-site detection

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Embodiment Construction

[0026] Figure 1 to Figure 2 PT in is a voltage transformer, and CT is a current transformer.

[0027] figure 1 Among them, the upper line has six three-phase standard CTs, and each phase has two sockets k1 and k2. figure 1 The lower line in the center is the six sockets of the three-phase standard PT, and each phase has two sockets a, x.

[0028] figure 2 The upper row is the six sockets of the checked CT, the middle row and the lower row are the seven sockets of the checked PT.

[0029] see figure 1 , the present invention designs standard CT and standard PT sockets (i.e. jacks) on the upper part of the panel of the integrated wiring device for on-site verification of high-voltage three-phase combined transformers. When carrying out verification work, directly connect the corresponding standard CT or standard PT dedicated The secondary output wire is directly connected to the corresponding socket (jack), because the interior of the device and its output interface have ...

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Abstract

The invention provides an integration wiring apparatus used for high voltage three-phase combination mutual inductor on-site detection. When carrying out overall detection work of a high voltage three-phase combination mutual inductor, a secondary output terminal of a detected current transformer or a detected voltage transformer is directly inserted into a corresponding socket on an integration wiring apparatus panel, and a secondary output terminal of a standard current transformer or a standard voltage transformer is directly inserted into a corresponding socket on an integration wiring apparatus panel simultaneously. In a wiring apparatus, connection between a detected piece and a standard piece, and connection between a detected piece and a secondary detection circuit between mutual inductor check meters are realized, and through an aviation socket and an aviation plug, a corresponding detection terminal is directly connected to a high voltage three-phase combination mutual inductor, a three-phase mutual inductor check meter and a three-phase burden box. Thus on-site wiring is clear, work efficiency is raised, labor intensity is reduced, and security of detection work is ensured.

Description

technical field [0001] The invention relates to a secondary wiring device for verification of a power transformer, in particular to a secondary wiring integrated device specially used for the overall verification of a high-voltage three-phase combined transformer. Background technique [0002] At present, there have been relevant researches on the overall verification of high-voltage three-phase combined transformers by using the three-phase method, and it has been applied in a certain range. At the same time, the overall verification method is carried out under the actual operating conditions of high-voltage three-phase combined transformers simulated on site. And devices also have related reports and products come out. However, when the three-phase method is used for verification work on the high-voltage three-phase combined transformer operation site, the secondary lines of the three-phase combined transformer must be connected at the same time, and the secondary circuit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R1/04
Inventor 江波杨华云周桂国蒋卫蒋映霞
Owner STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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