Fire source test system of transmission line mountain fire trip test platform
A technology for tripping test and transmission line, which is applied in the direction of testing dielectric strength, measuring electricity, measuring device, etc., can solve the problem of not establishing a test device, etc., and achieve the effect of accurate and effective data support
Active Publication Date: 2018-07-31
STATE GRID CORP OF CHINA +3
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Problems solved by technology
At present, scholars at home and abroad have hardly carried out research on the influence of different fire source conditions on the air breakdown characteristics of transmission lines under various combustion scenarios, and basically have not established relevant test equipment.
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[0014] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0015] The fire source test system of the transmission line mountain fire tripping test platform of the present invention, such as Figure 1~4 As shown, it includes a comprehensive lateral support 7, a speed-regulating fan 8, a temperature-measuring thermocouple bundle 9, a data acquisition and processing system 10, a fuel bed bottom support 1, and a fuel bed substrate 2 installed on the top surface of the fuel bed bottom support 1 , the combustible gas ignition source device 3 and the electric heating plate ignition source device 4 arranged on the fuel bed base body 2, the fuel surface fixed on the fuel bed base body 2 and positioned above the combustible gas ignition source device 3 and the electric heating plate ignition source device 4 The grid frame 13, the gas source 6 connected with the combustible gas fire source device 3, wherein, the f...
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The invention relates to a power transmission line mountain fire trip test platform fire source test system. The fire source test system comprises a comprehensive lateral support, a speed-regulation fan, a temperature measurement thermocouple beam, a data acquisition and processing system, a fuel bed bottom support, a fuel bed base body installed on the top face of the fuel bed bottom support, combustible gas fire source devices disposed on the fuel bed base body, an electric hot plate fire source device disposed on the fuel bed base body, and a gas source connected with the combustible gas fire source devices; and the front end of the comprehensive lateral support is provided with the speed-regulation fan, the rear end of the comprehensive lateral support is provided with the temperature measurement thermocouple beam, a wind outlet of the speed-regulation fan faces the temperature measurement thermocouple beam, the speed-regulation fan and the temperature measurement thermocouple beam are both located over the combustible gas fire source devices and the electric hot plate fire source device, and a signal output end of the temperature measurement thermocouple beam is connected with a data acquisition end of the data acquisition and processing system. A fire source working condition can be highlighted, the kind, strength and mode of the fire source working condition are adjusted, and the fire source test system is in favor of discussng an action mode and a mechanism of the fact that flashover of a power transmission line is induced under the action of different fire source conditions.
Description
technical field [0001] The invention relates to the technical field of transmission lines, in particular to a fire source testing system for a transmission line mountain fire tripping test platform. Background technique [0002] In recent years, there have been more and more outages and outages of transmission lines caused by wildfires across the country, and even the collapse of the power grid has seriously threatened the safety and reliability of the power system. However, there are still a lot of unknown areas in the mode of action and mechanism of flashover induced by wildfires on transmission lines. Not all wildfires that occur under or around transmission lines can cause tripping, because factors such as wildfire intensity, fuel type, and burning time will affect whether tripping can occur. At present, scholars at home and abroad have hardly carried out research on the influence of different fire source conditions on the air breakdown characteristics of transmission l...
Claims
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IPC IPC(8): G01R31/00G01R31/12
Inventor 韩俊玉张雪峰龚浩廖承郑雷罗浩穆广祺马维青赵晓龙
Owner STATE GRID CORP OF CHINA