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Gap discharge characteristic detection system under sand-dust condition

A discharge characteristic and detection system technology, applied in the field of detection system, can solve the problems of non-adjustable strength, unfavorable air gap discharge characteristic test, sandstorm climate time, uncontrollable location, etc., to shorten the length of the pipeline and occupy an area, and to be easy to control , the effect of accelerated diffusion

Inactive Publication Date: 2016-05-25
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

[0003] Due to natural conditions, the time and location of the wind and sand climate cannot be controlled, and the intensity cannot be adjusted, which is not conducive to the development of the air gap discharge characteristic test

Method used

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  • Gap discharge characteristic detection system under sand-dust condition
  • Gap discharge characteristic detection system under sand-dust condition

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Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] In order to thoroughly understand the embodiments of the present invention, the detailed structure will be set forth in the following description. Obviously, the practice of the embodiments of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0036] This embodiment provides an air gap 8 discharge characteristic detection system under sand and dust conditions, and its structure is as follows figure 1 As shown, the detection system is mainly composed of three parts: a dust environment simulation device, an air gap 8 and a high voltage generator 7 .

[0037] The sand and dust environment simulation device i...

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Abstract

The invention provides a gap discharge characteristic detection system under a sand-dust condition, the system comprises a sand-dust environment simulation device and a high voltage generator, the sand-dust environment simulation device is used for simulating a sand-dust environment, a gap is arranged in the sand-dust environment, and the high voltage generator is connected with the two ends of the gap in parallel and is used for providing high voltage to the gap. The technical scheme provided by the invention can stably simulate the sand-dust environment and can be used in various air gap discharge characteristic test, such as rod-rod gap, rod-plate gap, plate-plate gap and the like, gap discharge characteristic tests under conditions of different voltage types, different wind speed, sand existing, sand unexisting, different sand-dust concentration can be selected according to the test requirement, so that the reference and guidance are provided for a construction of an extra-high voltage DC transmission line.

Description

technical field [0001] The invention relates to a detection system, in particular to a gap discharge characteristic detection system under sand and dust conditions. Background technique [0002] Dust weather is a common natural phenomenon in arid areas, and it is a severe disastrous weather that affects northern my country, especially the northwest. During the process of sand and dust weather, due to the friction between airflow and sand particles and between sand particles, the phenomenon of sand particle electrification will occur. The charged sand particles are suspended in the air with the wind and sand, which will affect the electric field distribution around the wires of the transmission line, thereby affecting the external insulation characteristics of the transmission line. There have been power system blackouts caused by dusty weather in my country. Therefore, it is very necessary to carry out experiments on the characteristics of gap discharge under sand and dust ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
CPCG01R31/1281
Inventor 丁玉剑耿江海周军刘畅刘云鹏
Owner CHINA ELECTRIC POWER RES INST
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