Ice-coated test system for transmission line structure

A test system and transmission line technology, applied in the field of transmission line structure icing test system, can solve problems such as grid damage, affecting normal power supply, and grid line damage, and achieve the effect of accurate measurement

Inactive Publication Date: 2010-05-19
NORTHEAST DIANLI UNIVERSITY +1
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Problems solved by technology

[0004] In January 2008, low-temperature icing disasters ravaged 21 provinces and regions in China. The disaster weather lasted for a long time, affected a wide range, and caused serious damage, which brought great damage to electricity and transportation. The power grid lines were damaged, which seriously affected the normal power supply. People's lives a

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  • Ice-coated test system for transmission line structure
  • Ice-coated test system for transmission line structure
  • Ice-coated test system for transmission line structure

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] refer to figure 1 The transmission line structure icing test system of the present invention includes a spray system 1 , a refrigeration system 2 , a model system 3 , a measurement system 4 and a defrosting system 5 . The spray system 1 and the thawing system 5 are located directly above the model system 3, the measurement system 4 is arranged in parallel with the model system 3, the refrigeration system 2 is located on both sides of the thawing system 5, and the space of the refrigeration system 2 communicates with the thawing space 51 of the thawing system 5 .

[0032] refer to figure 1 and 2 , the spray system 1 is used to generate water mist and simulate rainfall, and it includes an annular nozzle 6, a liquid filling device and a gas filling device, the water flow meter 14 of the liquid filling device is connected with the annul...

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Abstract

The invention is an ice-coated test system for a transmission line system, which is characterized by comprising a spraying system, a refrigerating system, a model system, a measuring system and a defrosting system, wherein the spraying system and the defrosting system are arranged above the model system; the measuring system and the model system are arranged in parallel; the refrigerating system is arranged at both sides of the defrosting system, and the space of the refrigerating system is communicated with the space of the defrosting system; by lowering the air temperature in the test space by the refrigerating system, the spraying system performs simulated rainfall, ice coating is generated by condensed spray on the model system under the joint action of the simulated rainfall of the spraying system and the lower-temperature air of the refrigerating system, the measuring system measures the ice coating diameter, traces and acquires the complete test data, the defrosting system performs defrosting on the ice coating and melts the ice coating so as to finish the test, thus having the capability of simulating the forming process of the ice coating, realizing accurate measuring and enabling the ice coating to be defrosted quickly. The invention provides a technical support for basically solving the ice coating in the transmission line.

Description

technical field [0001] The invention relates to an icing test system for a power transmission line structure. Background technique [0002] Icing is a natural disaster for power systems. The transmission line is the main artery of the power system and an important lifeline project related to the national economy and the people's livelihood. The direct impact of icing on the transmission line will lead to the collapse of the transmission line and the disconnection of the transmission line, which will directly lead to the interruption of power transmission, and the paralysis of almost all social industries, resulting in huge economic losses. [0003] The hazards of icing to transmission lines are as follows: ①The vertical load of the tower is increased or overloaded, the strength of the tower is damaged, and the tower and cross arm are seriously deformed or collapsed; ②The horizontal operating stress of the conductor exceeds the average operating stress, causing the vertical l...

Claims

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Application Information

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IPC IPC(8): G01N15/02
Inventor 祝贺李娜梁立哲苏超
Owner NORTHEAST DIANLI UNIVERSITY
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