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Online monitoring method, device and system for SF6 gas insulation equipment of transformer substation and storage medium

A technology for gas-insulated equipment and substations, which is used in the use of liquid/vacuum for liquid tightness measurement, and by measuring the acceleration and deceleration rates of fluids. Effect

Pending Publication Date: 2021-06-08
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Starting from the actual operation and maintenance of power substation, one of the difficulties in the operation and maintenance of SF6 gas insulated equipment is that slight gas leakage is not easy to be detected. When the gas leakage can be clearly found, the situation has become complicated and difficult.

Method used

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  • Online monitoring method, device and system for SF6 gas insulation equipment of transformer substation and storage medium
  • Online monitoring method, device and system for SF6 gas insulation equipment of transformer substation and storage medium
  • Online monitoring method, device and system for SF6 gas insulation equipment of transformer substation and storage medium

Examples

Experimental program
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Effect test

Embodiment 1

[0062] figure 1 It is a flow chart of a method for on-line monitoring of SF6 gas-insulated equipment in substations provided by Embodiment 1 of the present invention. This embodiment is applicable to on-line monitoring of the air pressure of SF6 gas-insulated equipment. equipment online monitoring device, which can be implemented by software and / or hardware, and is usually configured in computer equipment, such as figure 1 As shown, the method specifically includes the following steps:

[0063] S101. Obtain the position information of the pointer of the SF6 barometer collected by the displacement sensor.

[0064] In the embodiment of the present invention, the displacement sensor is used to collect the position information of the pointer of the SF6 barometer, and convert it into an analog electrical signal and send it to the processor. The processor can be integrated on the SF6 gas-insulated equipment, or can be set independently from the SF6 gas-insulated equipment, which i...

Embodiment 2

[0081] figure 2 A flow chart of an online monitoring method for substation SF6 gas-insulated equipment provided by Embodiment 2 of the present invention. This embodiment is refined on the basis of the above-mentioned Embodiment 1, and describes in detail how to judge whether there is gas leakage in SF6 gas-insulated equipment specific process, such as figure 2 As shown, the method specifically includes the following steps:

[0082] S201. Obtain the position information of the pointer of the SF6 barometer collected by the displacement sensor.

[0083] In the embodiment of the present invention, the displacement sensor is used to collect the position information of the pointer of the SF6 barometer, and convert it into an analog electrical signal and send it to the processor. The position information of the pointer of the SF6 barometer is used to reflect the gas pressure inside the SF6 gas-insulated equipment. In some embodiments of the present invention, displacement sensor...

Embodiment 3

[0100] image 3 A flow chart of an online monitoring method for substation SF6 gas-insulated equipment provided by Embodiment 3 of the present invention. This embodiment refines the above-mentioned Embodiment 1 and describes in detail how to judge whether there is gas leakage in SF6 gas-insulated equipment. specific process, such as image 3 As shown, the method specifically includes the following steps:

[0101] S301. Obtain the position information of the pointer of the SF6 barometer collected by the displacement sensor.

[0102] In the embodiment of the present invention, the displacement sensor is used to collect the position information of the pointer of the SF6 barometer, and convert it into an analog electrical signal and send it to the processor. The position information of the pointer of the SF6 barometer is used to reflect the gas pressure inside the SF6 gas-insulated equipment. In some embodiments of the present invention, displacement sensor can gather the displ...

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Abstract

The invention discloses an online monitoring method, device and system for SF6 gas insulation equipment of a transformer substation and a storage medium. After the position information, collected by the displacement sensor, of the pointer of the SF6 barometer is obtained, the gas pressure intensity in the SF6 gas insulation equipment is determined based on the position information, the gas pressure intensity corresponding to the position information obtained at the Kth time is subtracted from the gas pressure intensity corresponding to the position information obtained at the (K + 1) th time to obtain a pressure intensity difference value, and when the pressure intensity difference value is smaller than zero, whether gas leakage exists in the SF6 gas insulation equipment is determined based on the change of the gas pressure intensity, and warning information is sent out when gas leakage exists in the SF6 gas insulation equipment. By monitoring the gas pressure in the SF6 gas insulation equipment in real time, when gas leakage exists in the SF6 gas insulation equipment, a worker is prompted to take safety measures in time, and major accidents of a power grid are avoided.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of equipment monitoring, and in particular to an on-line monitoring method, device, system and storage medium of SF6 gas-insulated equipment in a substation. Background technique [0002] In recent years, with the continuous development and maturity of technology, SF6 (sulfur hexafluoride) gas insulation equipment has been widely used in various new substations. SF6 gas insulated equipment is not only widely used in high voltage and ultra-high voltage fields, but also in ultra-high voltage fields. Compared with conventional outdoor open equipment, SF6 gas insulated equipment has the advantages of compact structure, small footprint, high reliability, flexible configuration, strong safety, strong environmental adaptability, and small maintenance workload. [0003] At the same time, a large number of SF6 gas-insulated equipment has been put into use, which has also caused correspondin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/26
CPCG01M3/26
Inventor 孙瑞陈晓鹏郑文新黎舟洋刘延伟聂楚飞佘嘉泓孙永斌魏昌东张健尹善耀王文超宋荣键邹纯纪梓扬
Owner GUANGDONG POWER GRID CO LTD
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