Gas leakage monitor and monitoring system for medium and high voltage electrical equipment

A technology for electrical equipment and gas leakage, which is applied in the field of electric power and can solve the problems of flashover, reduction of insulation strength on the surface of insulating parts, and hazards.

Pending Publication Date: 2019-12-20
SHANGHAI ROYE ELECTRICAL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

3) When the temperature drops, too much moisture may form condensation water, which will significantly reduce the insulation strength of the surface of the insulating part, or e

Method used

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  • Gas leakage monitor and monitoring system for medium and high voltage electrical equipment
  • Gas leakage monitor and monitoring system for medium and high voltage electrical equipment
  • Gas leakage monitor and monitoring system for medium and high voltage electrical equipment

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Embodiment Construction

[0082] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0083] figure 1 and figure 2It is a schematic structural diagram of a high-performance remote transmission gas density relay for high-voltage electrical equipment in the embodiment of the present invention, as shown in figure 1 and figure 2 As shown, the high-performance remote gas density relay for high-voltage electrical equipment provided ...

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Abstract

The invention discloses a gas leak monitor. The gas leakage monitor for medium and high voltage electrical equipment comprises an intelligent microprocessor, a pressure sensor, a temperature sensor, acommunication module and a memory, wherein the pressure sensor is in communication with a gas path of a gas density monitor; the intelligent microprocessor is respectively connected to the temperature sensor, the pressure sensor and the communication module; the intelligent microprocessor acquires a pressure signal through the pressure sensor according to a set sampling frequency, acquires a temperature signal through the temperature sensor, and obtains a corresponding density value P20 through arithmetic processing of the intelligent microprocessor; the intelligent microprocessor performs in-depth calculation processing on the obtained corresponding density value P20 to obtain an accurate density value P20, and notifies information for the leaked gas of the monitored medium and high voltage electrical equipment. The gas leak monitor provided by the invention can make accurate on-line monitoring and fault diagnosis of gas-insulated electrical equipment, and can more timely find out when gas leakage occurs in gas-insulated electrical equipment.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a gas leakage monitor, method and system for electrical equipment applied to high-voltage and medium-voltage electrical equipment. Background technique [0002] Currently, SF 6 (Sulfur hexafluoride) electrical equipment has been widely used in the power sector, industrial and mining enterprises, and promoted the rapid development of the power industry. In recent years, with the rapid economic development, the capacity of my country's power system has expanded rapidly, and SF 6 The amount of electrical equipment is increasing. SF 6 The role of gas in high-voltage electrical equipment is arc extinguishing and insulation, and SF in high-voltage electrical equipment 6 If the density of the gas decreases and the moisture content exceeds the standard, it will seriously affect the SF 6 Safe operation of high-voltage electrical equipment: 1) SF 6 The reduction of gas densit...

Claims

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Application Information

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IPC IPC(8): G01N9/00G01D21/02G05B19/042G01M3/02H01H35/26
CPCG01D21/02G01M3/02G01N9/00G05B19/0423H01H35/26
Inventor 郭正操黄小泵曾伟郝彩侠王乐乐
Owner SHANGHAI ROYE ELECTRICAL CO LTD
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