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A small chamber DC load transfer device and method

A technology of DC load and transfer equipment, applied in electrical components, circuit devices, etc., can solve the problems of difficulty in meeting the requirements of DC reconstruction projects, long time, etc., and achieve the effect of shortening transfer time and high efficiency

Inactive Publication Date: 2018-09-04
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, when transferring DC loads in a small room, it is necessary to use temporary power lines to connect the DC loads to various protective screens and secondary equipment from the temporary DC load transfer box. This process takes a long time and is difficult to meet the DC requirements. Requirements for renovation works

Method used

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  • A small chamber DC load transfer device and method
  • A small chamber DC load transfer device and method

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Experimental program
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Embodiment 1

[0025] In the small room DC load transfer equipment disclosed in Embodiment 1, the DC transfer terminal can be inserted into the inner surface of the DC connection terminal to realize the movable connection of the two terminals. This plug-and-play connection method greatly facilitates the DC load transfer. The overlapping of transfer loops greatly improves the efficiency of building transfer lines.

[0026] The invention also discloses a small room DC load transfer method, including:

[0027] Use the power cord to directly transfer the DC load in the DC panel to the DC load;

[0028] The DC load in the DC panel is indirectly transferred to the DC load through a temporary DC load transfer box by using a transfer wire.

[0029] In the DC load transfer method disclosed above, two DC load transfer lines are used, one is to directly transfer the DC load in the DC panel to the DC load through the power line, and the other is to transfer the DC load in the DC panel to the DC load th...

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PUM

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Abstract

The invention discloses a chamber direct-current (DC) load transfer device and a chamber DC load transfer method. The device comprises a DC screen, a temporary DC load transfer box, and N DC loads. The N DC loads are connected with N DC power sources of the DC screen in a one-to-one correspondence manner. The DC power sources are connected with the corresponding DC loads through power lines for loop conducting. The DC power sources are connected with the corresponding input ends of the temporary DC load transfer box through corresponding transfer lines for loop conducting. The corresponding output ends of the temporary DC load transfer box are connected with the corresponding DC loads for loop conducting. According to the device disclosed by the embodiment of the invention, two DC load transfer lines are adopted, one transfer line directly transfers the DC load of the DC screen to the DC loads through the power lines, and the other line indirectly transfers the DC load of the DC screen to the DC loads through the transfer lines via the temporary DC load transfer box. Therefore, DC load transfer is more efficient, and the time for DC load transfer is shortened.

Description

technical field [0001] The invention relates to the technical field of small chamber direct current load transfer, in particular to a small chamber direct current load transfer equipment and method. Background technique [0002] In the protection cell of the substation, there are usually a large number of DC loads, such as protection screens or various secondary equipment, etc. These protection screens and secondary equipment need external DC loads to work normally. [0003] At present, when transferring DC loads in a small room, it is necessary to use temporary power lines to connect the DC loads to various protective screens and secondary equipment from the temporary DC load transfer box. This process takes a long time and is difficult to meet the DC requirements. requirements for renovation works. [0004] From the above, it can be seen that how to reduce the time of DC load transfer is an urgent problem to be solved at present. Contents of the invention [0005] In v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J11/00
Inventor 苏晓东芦亮刘来成王素华
Owner STATE GRID CORP OF CHINA
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