Online SF6 gas micro-water monitoring device, system and method of high-voltage electrical equipment

A technology for high-voltage electrical equipment and monitoring devices, applied in the field of electric power, can solve the problems of inaccurate monitoring data of monitoring devices, and achieve the effects of cost reduction, performance safety, and space saving

Inactive Publication Date: 2015-01-21
SHANGHAI ROYE ELECTRIC SCI & TECH
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0006] In order to solve the above technical problems, the present invention provides a SF 6 Gas monitoring device, method and system for solving the prob

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  • Online SF6 gas micro-water monitoring device, system and method of high-voltage electrical equipment
  • Online SF6 gas micro-water monitoring device, system and method of high-voltage electrical equipment
  • Online SF6 gas micro-water monitoring device, system and method of high-voltage electrical equipment

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Embodiment Construction

[0032] 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.

[0033] figure 1 Be the SF of the high-voltage electrical equipment of embodiment one of the present invention The structure schematic diagram of gas micro-water on-line monitoring device, as figure 1 As shown, the SF of the high-voltage electrical equipment provided by Embodiment 1 of the present invention 6 The gas micro-water online monitoring...

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Abstract

The invention discloses an online SF6 gas micro-water monitoring device, method and system of high-voltage electrical equipment. The device comprises a computer data processing system, a gas circulation mechanism and a micro-water detector which is used for detecting gas in the gas circulation mechanism, wherein the gas circulation mechanism comprises a gas cylinder, a piston and a driving device which can drive the piston to move back and forth in the gas cylinder; a circulation ventilating opening communicated with an SF6 gas storage chamber in the high-voltage electrical equipment in a sealing manner is arranged on the gas cylinder; and the gas circulation mechanism is arranged in a sealed cavity. According to the SF6 gas monitoring device, method and system, gas in the SF6 gas storage chamber in the high-voltage electrical equipment is circulated into the gas cylinder outside the high-voltage electrical equipment by virtue of the sealed gas circulation mechanism, so that the humidity at sampling points inside and outside the SF6 gas storage chamber can be rapidly balanced; and then the accurate measurement is carried out by the micro-water detector, so that a large amount of SF6 gas does not need to be discharged, the detection result is accurate and the performance safety of the device and the system are ensured.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to an on-line monitoring device, system and method for SF6 gas micro-water of high-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 micro-water content of the gas exceeds the standard and the density decreases, it will seriously affect the SF 6 Safe operation of high-voltage electrical equipment: 1) With the participation of some metal objects, SF 6...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N25/66
Inventor 金海勇
Owner SHANGHAI ROYE ELECTRIC SCI & TECH
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