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Sulfur hexafluoride decomposition experiment system

A technology of sulfur hexafluoride and experimental system, applied in the field of sulfur hexafluoride decomposition experimental system

Active Publication Date: 2014-02-19
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, at present, there is no one at home and abroad that can treat SF in the presence of both electric and thermal fields. 6 Experimental device for simulating the process of gas decomposition

Method used

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  • Sulfur hexafluoride decomposition experiment system
  • Sulfur hexafluoride decomposition experiment system
  • Sulfur hexafluoride decomposition experiment system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] figure 1 It is a structural diagram of a sulfur hexafluoride decomposition experimental system disclosed in the embodiment of this application.

[0051] like figure 1 As shown, the experimental system includes a tank body 10, a first pole plate 11, a second pole plate 12, a high voltage generating device 20, a heating device 121, a vacuum device 50, a gas supply device 40 and a gas detection device 30, wherein: the first A pole plate 11 and a second pole plate 12 are arranged in the tank body 10 and are arranged parallel to each other. The high-voltage generating device 20 is respectively connected with the first pole plate 11 and the second pole plate 12. On the board 12 , the tank body 10 communicates with the vacuum device 50 , the gas supply device 40 and the gas detection device 30 respectively.

[0052] The tank body 10 is an airtight pressure-resistant tank made of metal. Because it needs to be vacuumed or pressurized during the experiment, it needs to be able ...

Embodiment 2

[0062] figure 2 It is a structural diagram of a sulfur hexafluoride decomposition test system disclosed in another embodiment of the present application.

[0063] like figure 2 As shown, the sulfur hexafluoride decomposition test system disclosed in this embodiment is a partial improvement to the previous embodiment:

[0064] The first pole plate 11 and the second pole plate 12 in the present embodiment can be arranged in an up-and-down relationship, and can also be arranged in a left-right relationship, and a certain gap is reserved between the first pole plate 11 and the second pole plate 12. The specific size is continuously adjustable between 0-150 millimeters, and the position of the second pole plate 12 relative to the first pole plate 11 is adjusted by the distance adjusting device arranged on the second pole plate 12 to realize adjusting the intensity of the uniform electric field to carry out Experiments under different field strength conditions.

[0065] The dis...

Embodiment 3

[0079] Figure 4 It is a structural diagram of a sulfur hexafluoride decomposition test system disclosed in another embodiment of the present application.

[0080] like Figure 4 As shown, the sulfur hexafluoride decomposition test system disclosed in this embodiment is based on the previous embodiment with an additional monitoring device for the ambient temperature inside the tank to ensure the safety of the experimental equipment and operators.

[0081] The ambient temperature monitoring device inside the tank includes a second temperature sensor 61 and a temperature display device 60 .

[0082]The second temperature sensor 61 is arranged in the tank body 10 for measuring the ambient temperature in the tank body 10 and outputting a temperature signal.

[0083] The temperature display device 60 is arranged outside the tank body 10 and is connected to the second temperature sensor 61 for displaying the ambient temperature in the tank body 10 according to the temperature sign...

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Abstract

A sulfur hexafluoride decomposition experiment system comprises a tank body, a high pressure generation device, a first pole plate, a second pole plate, a heating device, a gas adding device and a gas detection device, wherein the first pole plate and the second pole plate are arranged in the tank body, connected with the high pressure generation device and used for simulating electric field characteristics of a sulfur hexafluoride insulation electrical device when an overheating fault occurs; the heating device is arranged on the second pole plate and used for simulating thermal field characteristics of the sulfur hexafluoride insulation electrical device under the overheating fault condition; the gas adding device is used for inputting sulfur hexafluoride gas into the tank body; the gas detection device is used for detecting the specific content of decomposition products of sulfur hexafluoride under the conditions of the electric field characteristics, the thermal field characteristics and pressure characteristics of the sulfur hexafluoride insulation electrical device when the overheating fault occurs, so that the decomposition process of the sulfur hexafluoride in the real operation environment and under the action of the overheating fault is simulated, and the specific content of the decomposition products is detected.

Description

technical field [0001] The present application relates to the technical field of high-voltage power supply, and more specifically, relates to an experimental system for decomposing sulfur hexafluoride. Background technique [0002] Sulfur hexafluoride (SF 6 ) gas-insulated electrical equipment, is a SF 6 As an insulating medium, gas has outstanding advantages such as high dielectric strength, stable operation, small footprint and small maintenance workload. It is more and more widely used in power systems, especially in the construction and transformation of large and medium-sized city power grids. [0003] When SF 6 When there are defects or overload faults such as poor contact and magnetic saturation inside the electrical equipment, the thermal stability of the defective parts will be destroyed, causing the temperature of the insulating medium to rise continuously, causing overheating faults, and then causing the solid insulating medium to decompose, melt, Carbonized or...

Claims

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Application Information

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IPC IPC(8): G01R31/12G01R31/00G01N33/00
Inventor 姚强伏进唐炬苗玉龙邱妮张继菊
Owner STATE GRID CORP OF CHINA
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