Low voltage leakage monitoring method of power distribution platform region

A technology of leakage monitoring and distribution station area, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., to prevent personal injury, prevent equipment damage, and reduce power loss

Inactive Publication Date: 2014-06-11
林生得
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]The purpose of the present invention is to disclose a power distribution Low-voltage leakage monitoring method and device in station area

Method used

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  • Low voltage leakage monitoring method of power distribution platform region

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Embodiment Construction

[0018] The specific embodiment of the present invention is as figure 1 shown.

[0019] According to the method of the present invention, the constructed low-voltage leakage monitoring device in the distribution station area is composed of a zero-sequence current transformer, a concentrator remote terminal and a background system. The wire on the low-voltage load side passes through the zero-sequence current transformer, and the zero-sequence current transformer is connected to the remote terminal of the concentrator; the remote terminal of the concentrator is connected to the background system through wireless communication; one end of the leakage protector is connected to the low-voltage end of the distribution station area, and the leakage protection The other end of the device is connected to the low voltage load side.

[0020] The zero-sequence current transformer sends the collected leakage information to the remote terminal of the concentrator; the remote terminal of t...

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Abstract

The invention discloses a low voltage leakage monitoring method of a power distribution platform region. The method comprises the following steps that a wire outlet side of a low voltage side leakage protector of the power distribution platform region (1) is provided with a zero sequence current transformer which can sample leakage current, and a sampling result is transmitted to a background system through a concentrator remote terminal wireless communication (8); a setting leakage tripping signal, a leakage non-tripping signal, a serious leakage signal, a power failure signal and the like are set by a leakage monitoring device according to a platform region condition and a leakage protection using installation specification requirement, and a background monitoring person can know the platform region leakage current condition and a platform region operation condition in time. The leakage monitoring device is composed of a zero sequence current transformer (3), a concentrator remote terminal (2) and the background system (7), wherein a wire of a low voltage loading side (6) passes through the zero sequence current transformer; an outlet wire of the zero sequence current transformer is connected with the concentrator remote terminal, and the concentrator remote terminal is connected with the background system through wireless communication. The low voltage leakage monitoring method provided by the invention is suitable for monitoring low voltage leakage of the power distribution platform region.

Description

[0001] technical field [0002] The invention relates to a low-voltage leakage monitoring method in a power distribution station area, belonging to the technical field of power supply and distribution monitoring. Background technique [0003] At present, the line equipment in the distribution station area often suffers from low-voltage leakage due to aging electrical equipment and tree obstacles on the line. After the low-voltage leakage, if the current is large, it will affect personal safety. In order to prevent personal electric shock, people install a leakage protector on the low-voltage side of the distribution station area. When the leakage current on the line generates a value that is harmful to the human body, the leakage protector operates to disconnect the power supply. After the event, the maintenance personnel investigated and dealt with the fault, and the power supply was restored after repair. In this case, the fault can only be judged by the leakage prote...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/02
Inventor 林生得林红霞邹杨军张伟代健朱玲
Owner 林生得
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