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UHV DC double-column coupling composite post insulator seismic test device and test method

A post insulator and ultra-high voltage direct current technology, which is applied in the field of anti-seismic test equipment for UHV DC double-column coupled composite post insulators. problem, to achieve the effect of simple structure, low manufacturing cost and low test cost

Active Publication Date: 2018-09-04
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few existing seismic test studies on the coupling system of multiple single-column post insulators and pipe busbars, and there is no seismic test device that can better evaluate the seismic performance of single-column post insulators

Method used

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  • UHV DC double-column coupling composite post insulator seismic test device and test method
  • UHV DC double-column coupling composite post insulator seismic test device and test method
  • UHV DC double-column coupling composite post insulator seismic test device and test method

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Embodiment Construction

[0038] Embodiments of the present invention are described in detail below:

[0039] Such as Figure 1-12 As shown, a UHV DC double-column coupling composite post insulator anti-seismic test device includes an inner pipe busbar 10, and both ends of the inner pipe busbar 10 are equipped with a single-column test mechanism 20, and the single-column test mechanism 20 Comprising a vibration table 210, a support 220 installed on the installation platform 212 of the vibration table 210, and a single-column post insulator 230 whose lower end is installed on the installation platform 222 of the support 220, the upper end of the single-column post insulator 230 is set There is a counterweight 240, the upper end of the counterweight 240 is provided with a fitting 250 connected to the corresponding end of the inner pipe bus 10, and the mounting platform 222 of the bracket 220 is provided with at least one accelerometer and at least one displacement gauge, The single-column post insulator...

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Abstract

The invention discloses an extra high voltage DC double-column coupling composite supporting column insulator anti-vibration test device and a test method thereof. The test device comprises an inner side tube bus, wherein two ends of the inner side tube bus are respectively provided with a single-column test mechanism, the single-column test mechanism comprises a vibration stand, a support mounted on a mounting platform of the vibration stand and a single-column supporting column insulator of which a lower end is mounted on the mounting platform of the support, an upper end of the single-column supporting column insulator is provided with a counterweight, an upper end of the counterweight is provided with fittings connected with a corresponding end of the inner side tube bus, and the single-column supporting column insulator is provided with at least one acceleration meter, at least one strain meter and at least one displacement meter. According to the test device and the test method thereof, test cost is relatively low, and anti-vibration performance of the single-column supporting column insulator under the double-column coupling condition can be effectively evaluated.

Description

technical field [0001] The invention relates to the technical field of substation equipment, in particular to an anti-seismic test device and a test method for an UHV DC double-column coupled composite post insulator. Background technique [0002] With the development of my country's power transmission and transformation projects in the direction of high voltage, ultra-high voltage and ultra-high voltage, a large number of key substations are equipped in AC substations and DC converter stations. These key substations are generally supported by post insulators. Traditionally, the pillar insulators used in substations are mostly made of ceramic materials. Ceramic materials are brittle materials with a large elastic modulus, but poor impact resistance and ductility. Once tiny cracks are formed inside, it is easy to cause earthquakes Brittle fracture damage, and then cause damage to substation equipment. In recent years, composite post insulators have been gradually accepted an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/02
CPCG01M7/025G01M7/027
Inventor 罗兵卓然黄莹惠宝军卢毓欣
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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