Power transmission line cross-fire performance evaluation detection platform
A transmission line and detection platform technology, applied in the direction of measuring devices, instruments, etc., can solve the problems of comprehensive performance evaluation of transmission line fire test conductors and few researches on line performance
Active Publication Date: 2017-09-05
ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER +1
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Problems solved by technology
The current research on transmission line fires is mostly aimed at the impact of the disaster process, and the parameters concerned are mainly fire parameters, but there are few studies on the performance of lines after fire
At present, there is no test device that can be used to carry out the fire test of transmission lines and the comprehensive performance evaluation of the conductors after fire
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[0021] Below in conjunction with accompanying drawing, by describing embodiment, the present invention will be further described:
[0022] Such as figure 1 , 2 As shown, the present invention is a transmission line fire performance evaluation and detection platform, including a wire fire test device and a fire wire performance comprehensive evaluation device. The wire overfire test device includes the tested wire power supply device 1, the power supply wire 2, the tested wire support 3, the temperature measurement system 4, the wooden pile simulated fire source system 5, the gas simulated fire source system 6, the vegetation simulated fire source system 7 and the tested wire Test lead sample 8. The power supply device 1 of the tested wire sample 8 is a double-arm DC bridge, and the current size during the test can be adjusted according to the demand. 8 phase connections.
[0023] The main body of the test wire support 3 is a fixed horizontal bar 303 and a fixed vertical ba...
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The invention discloses a power transmission line cross-fire performance evaluation detection platform. The performance evaluation detection platform comprises a cable wire cross-fire installation and a post cross-fire performance evaluation test platform, the cable wire cross-fire installation comprises a test receiving wire and a test support, a power supply unit, an ignition source system, and a parameter measurement system, wherein the ignition source system is divided into a gas wooden pile simulation ignition source system, a gas simulation ignition source system, and a vegetation simulation ignition source system; the parameter measurement system comprises a temperature measurement device and a resistivity measurement system. The post cross-fire cable wire comprehensive assessment test platform comprises a post cross-fire cable wire bracket, and a performance test installation, the performance test installation comprises a post cross-fire cable wire mechanical performance test system, an image analysis system, an electrical performance test system and a basic physics performance test system. By the power transmission line cross-fire performance evaluation detection platform, the power transmission line cross-fire simulation tests can be achieved under different ignition source conditions, and comprehensive analysis and evaluation of the mechanical properties, electrical properties, image features, and physical properties of the post cross-fire cable wires.
Description
technical field [0001] The invention relates to the field of conducting wire over-fire performance testing, in particular to a transmission line over-fire performance evaluation and detection platform. Background technique [0002] With the continuous development of my country's power industry, the laying of transmission lines has increased. Transmission lines used for long-distance power transmission usually pass through areas such as forests. Transmission line failures caused by vegetation fires occur frequently, which has brought serious impacts and losses on people's production and life. Compared with other disasters such as strong winds and hailstorms, transmission line failures caused by fires will lead to longer outage times, so it is particularly worthy of attention in the study of power system security. The current research on transmission line fire is mostly aimed at the impact of the disaster process, and the parameters concerned are mainly fire parameters, but t...
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IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 张佳庆张博思范明豪王刘芳谢辉
Owner ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER
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