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Electric leakage fault analysis method and device, equipment and medium

A fault analysis method and fault location technology, applied in the field of leakage fault analysis method, equipment and media, and devices, can solve the problems of failure to support low-voltage distribution lines or power supply equipment fault alarm, fault analysis and fault location, etc.

Active Publication Date: 2022-01-04
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, leakage protectors of different brands and models on the market only have the function of leakage detection of low-voltage distribution lines or power equipment, which cannot support fault alarms, fault analysis and fault location of low-voltage distribution lines or power equipment

Method used

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  • Electric leakage fault analysis method and device, equipment and medium
  • Electric leakage fault analysis method and device, equipment and medium
  • Electric leakage fault analysis method and device, equipment and medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] figure 1 It is a schematic flow chart of a leakage fault analysis method provided by Embodiment 1 of the present invention. This embodiment is applicable to analyze the cause of leakage and the location of the fault based on the leakage current value collected by the leakage protector and the installation environment of the leakage protector, and To provide timely leakage warning reference information, the method can be performed by a leakage fault analysis device, which can be implemented by hardware and / or software, and the method specifically includes the following steps:

[0028] S110. Determine the leakage current value of the leakage protector and the installation environment of the leakage protector.

[0029] In this embodiment, the operating data of the leakage protector can be obtained, and the leakage current value can be determined based on the operating data of the leakage protector. Specifically, the leakage protector can determine the leakage current valu...

Embodiment 2

[0049] figure 2 It is a schematic flowchart of a leakage fault analysis method provided by Embodiment 2 of the present invention. This embodiment is based on the above embodiments. Optionally, the method further includes: based on the installation protection type of the leakage protector, determining the required The preset operating current threshold corresponding to the leakage protector; based on the current current signal collected by the leakage protector and the preset operating current threshold, it is judged whether the leakage protector detects a leakage fault; if so, obtain the Leakage current value of leakage protector. The explanations of terms that are the same as or corresponding to the above-mentioned embodiments will not be repeated here. see figure 2 , the leakage fault analysis method provided in this embodiment includes the following steps:

[0050] S210. Based on the installation protection type of the leakage protector, determine a preset operating cu...

Embodiment 3

[0062] image 3 It is a schematic flowchart of a leakage fault analysis method provided by Embodiment 3 of the present invention. This embodiment is based on the above embodiments. Optionally, the method further includes: acquiring the current voltage signal collected by the leakage protector ; If the difference between the current voltage signal and the standard voltage exceeds the set protection threshold, it is judged that the leakage protector has detected an undervoltage fault or an overvoltage fault; a protection trigger signal is generated and sent to the user-associated terminal. The explanations of terms that are the same as or corresponding to the above-mentioned embodiments will not be repeated here. see image 3 , the leakage fault analysis method provided in this embodiment includes the following steps:

[0063] S310. Based on the installation protection type of the leakage protector, determine a preset operating current threshold corresponding to the leakage pr...

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Abstract

The embodiment of the invention discloses an electric leakage fault analysis method and device, equipment and a medium. According to the method, a leakage current value and an installation environment of a leakage protector are obtained, a leakage reason corresponding to the leakage protector and a fault position corresponding to the leakage reason are determined according to the leakage current value and the installation environment, and leakage alarm reference information is generated based on the leakage reason and the fault position and sent to a user associated terminal. According to the invention, electric leakage fault analysis and fault positioning based on the electric leakage protector are realized, fault reference guidance information for troubleshooting and repairing faults is provided for field operation personnel, the field operation personnel are assisted to quickly find the faults, and a technical support is provided for realizing intelligent management of a distribution transformer district.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of electric leakage detection, and in particular to a leakage fault analysis method, device, equipment and medium. Background technique [0002] In the prior art, leakage protectors of different brands and models on the market only have the function of leakage detection of low-voltage distribution lines or power equipment, and they cannot support fault alarm, fault analysis and fault location of low-voltage power distribution lines or power equipment. Contents of the invention [0003] The embodiment of the present invention provides a leakage fault analysis method, device, equipment and medium, so as to realize the leakage fault analysis and fault location based on the leakage protector. [0004] In the first aspect, an embodiment of the present invention provides a leakage fault analysis method, which is suitable for a leakage protector, and the method includes: [0005] Determ...

Claims

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Application Information

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IPC IPC(8): G01R31/52
CPCG01R31/52Y04S10/52
Inventor 林俊逸龙葵梁顺发蓝海森李秋惠陈达敬陈万发陈炳恩麦宇恒麦耀光
Owner GUANGDONG POWER GRID CO LTD