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Land supporting type converter valve tower damping device

A shock-absorbing device and supporting technology, which is applied in the direction of towers, earthquake-proof, protective buildings/shelters, etc., can solve the problems that are not conducive to the maintenance and replacement of land-supported converter valve towers, the economic benefits are difficult to meet, and the shock-absorbing effect Inconspicuous problems, to achieve the effect of low cost, reduce seismic response, and increase safety

Active Publication Date: 2020-12-04
DALIAN UNIV OF TECH
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Problems solved by technology

Judging from the effects of these measures, the shock absorption effect is not obvious, and at the same time, the cost of the equipment is increased, and the economic benefit ratio is difficult to meet; at the same time, the above methods are not conducive to the maintenance and replacement of the land-supported converter valve tower

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  • Land supporting type converter valve tower damping device
  • Land supporting type converter valve tower damping device
  • Land supporting type converter valve tower damping device

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0027] A shock absorbing device for a land-supported converter valve tower, comprising an overall frame of the land-supported converter valve tower, an additional upper beam bracket 7 and a tuned mass damper 8 . On the top of the land-supported converter valve, an upper beam support 7 is added, which is connected by interlayer support insulators 2 to form a complete structure. In the middle of each span of each single tower, a tuned mass damper 8 is arranged along the short axis of the tower body, and the tuned mass damper 8 is fixed on the added upper beam support 7 by screws 15 . Among them, the overall frame of the land-supported converter valve tower includes bottom post insulators 1 , tie rod insulators 2 , interlayer post insulators 3 , crack insulators 4 , frame beams 5 and insulating I-beams 6 .

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Abstract

The invention discloses a land supporting type converter valve tower damping device, and belongs to the technical field of extra-high voltage electricians. The land supporting type converter valve tower damping device comprises a land supporting type converter valve tower, an upper-layer beam support and tuned mass dampers. The top of the land supporting type converter valve tower extends out of an interlayer supporting column insulator to be connected with the upper-layer beam support, and the tuned mass dampers are evenly arranged on the upper-layer beam support. According to the damping device, the structural characteristics that the top space of the land supporting type converter valve tower is large, and the beam support is easy to additionally arrange and used for placing the tuned mass dampers are fully utilized, and the tuned mass dampers are designed and arranged according to the vibration fundamental frequency of the controlled land supporting type converter valve tower. Thedamping device can effectively reduce the earthquake response of the land supporting type converter valve tower.

Description

technical field [0001] The invention belongs to the field of ultra-high voltage electric technology, in particular relates to the vibration control technology of ultra-high voltage electrical equipment, in particular to a shock absorbing device for a land-supported converter valve tower. Background technique [0002] The onshore supported converter valve tower is the key equipment in my country's UHV flexible direct current transmission system, and it is a bridge for mutual conversion between direct current transmission and alternating current transmission. The power modules placed in the tower body have high technical content and high cost. [0003] The land-supported converter valve tower is usually fixed on the ground after the foundation has been reinforced, and the outside is encapsulated by the valve hall. The lower part of the onshore supported converter valve tower is supported by multiple bottom post insulators, and the upper part is composed of interlayer post ins...

Claims

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Application Information

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IPC IPC(8): E04B1/98E04H9/02E04H12/00
CPCE04H9/021E04H12/00
Inventor 陈健云兰丁宁徐强李静苑晨阳陈小波
Owner DALIAN UNIV OF TECH
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