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External damage prevention detection method and system for a power cable

A power cable and detection method technology, which is applied in the field of power cable anti-breakage detection, can solve the problems of insufficient accuracy, isolated and non-shared information, and difficult real-time control of cable outsourcing inspection quality, etc., to achieve the effect of facilitating construction adjustment

Inactive Publication Date: 2019-06-21
JIANGSU ELECTRIC POWER CO +1
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AI Technical Summary

Problems solved by technology

[0003] However, the information of various municipal pipelines in the current urban underground space is isolated and not shared, and the accuracy is not enough, which has become a bottleneck in the management of the problem of power cable breakage
At the same time, with the increasing stock and increment of cable lines, the limitations of the inspection mode relying on artificial memory are increasingly exposed, and the inspection methods of cable outsourcing inspection paths are limited, making it difficult to control the inspection quality of cable outsourcing in real time

Method used

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  • External damage prevention detection method and system for a power cable
  • External damage prevention detection method and system for a power cable
  • External damage prevention detection method and system for a power cable

Examples

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Embodiment 1

[0027] Embodiment 1: A method for detecting external breakage of power cables, comprising the following steps:

[0028] Step 1: Based on the safety distance between power cables and various types of municipal pipelines or buildings / structures stipulated in the comprehensive planning specification of urban engineering pipelines, build a power cable collision analysis rule base with power cables as the target.

[0029] 1.1 Description of power cable pipeline laying standards

[0030] The underground three-dimensional power cable is composed of cable wells, cables, cable channels, cable ducts_pipe corridors, etc., in which the cables are buried in the cable channels, and the cable channels are cable wells, such as figure 1 shown in figure 1 In (a), ① refers to the cable well, and ② refers to the cable pipeline. figure 1 In (b), ① refers to the cable channel.

[0031] The safe distance between power cables and other municipal pipelines and buildings / structures is divided into h...

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Abstract

The invention relates to an external damage prevention detection method for a power cable, and the method comprises the following steps: 1, building a power cable collision analysis rule base with a power cable as a target based on the safety distance between the power cable specified by an urban engineering pipeline comprehensive planning specification and various municipal pipelines or buildings / structures; 2, acquiring basic information of the power cable, whether the actual distance between the municipal pipeline or building / structure and the power cable is matched with the power cable collision analysis rule base or not is judged category by category; Therefore, a part or all of the power cables which are not matched with the power cable collision analysis rule base are found out andserve as power cable objects which may have external damage hidden dangers, and then information of the power cable objects which may have the external damage hidden dangers is output. According to the invention, the possible external damage condition of the power cable can be rapidly detected and information can be output to remind related personnel, so that the construction adjustment is facilitated.

Description

technical field [0001] The invention belongs to the technical field of power cable operation safety, and in particular relates to a method and system for detecting external breakage of a power cable. Background technique [0002] Power cable faults are the most common faults in power system operation, and power cable faults will have a serious negative impact on the safety and reliability of power system operation. In order to ensure the safe operation of transmission lines within the jurisdiction, power supply enterprises must regularly send inspection personnel to inspect cable lines and equipment in order to find hidden dangers and deal with them in a timely manner. The inspection work ensures the safety of power supply, and management personnel need to focus on strengthening The management of power cable inspection work. [0003] However, the information of various municipal pipelines in the current urban underground space is isolated and not shared, and the accuracy is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 陈彦王纯林徐欣张俊姚雷明张梁诸葛烽宋晨杰吴菲菲黄晓军张浩何正兴
Owner JIANGSU ELECTRIC POWER CO
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