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Composite insulating tube type bus and method for preparing the same

A technology of composite insulation and tubular busbar, which is applied in the direction of insulating cables, insulating conductors, insulating conductors/cables, etc., and can solve the problems that the technology cannot meet the market requirements and the casting process is complicated.

Active Publication Date: 2009-01-07
SHANGHAI XIBANG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the disadvantage of this prior art is that its casting process is too complicated, and the additional cost caused by customizing different molds according to different shapes each time makes this technology unable to meet market requirements

Method used

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  • Composite insulating tube type bus and method for preparing the same
  • Composite insulating tube type bus and method for preparing the same

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Embodiment Construction

[0030] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

[0031] Such as figure 1 As shown, this embodiment is a composite insulated tubular busbar with a withstand voltage of 10KV, which specifically includes: a conductor tube 1, a composite insulating layer 2, a semiconductor conductive layer 3, a copper foil layer 4 and a bushing 5, wherein: the conductor tube 1 is located at the most In the inner layer, several layers of composite insulating layers 2 and semiconductor electrical tape layers 3 are intersected outside the conductor tube 1 , the copper foil layer 4 is arranged outside the semiconductor electrical tape layer...

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Abstract

The invention discloses a compound insulating tube busbar and a preparation method thereof in the technical field of high voltage insulated conduction. The compound insulating tube busbar comprises a conductor tube, a compound insulating layer, a semiconductor electric strip layer, a shielding layer and a sleeve, wherein, the conductor tube is positioned on the innermost layer; a plurality of the compound insulating layers and the semiconductor electric strip layers are crosswise arranged at the external part of the semiconductor tube; a copper foil layer is arranged at the external part of the semiconductor electric strip layer and the sleeve is arranged at the external part of the copper foil layer. The preparation method of the invention adopts different properties of a solid buddle-free insulating film strip and insulating liquid to enwind and solidify the shaped insulating tube busbar on the surface of the tubular conductor, which causes the production procedure to be simple and the maintenance to be simple and convenient; compared with the prior art, the compound insulating tube busbar has better insulating property and longer service life, and can be applied to bitter environments.

Description

technical field [0001] The invention relates to a method in the technical field of high voltage transmission, in particular to a composite insulating tubular busbar and a preparation method thereof. Background technique [0002] With the increase of electricity load, the capacity of a single main transformer in a substation increases, and the current on the low-voltage side also increases continuously. Moreover, with the limitation of the substation area, the installation of equipment is becoming more and more intensive. The traditional rectangular busbar is less and less suitable for the market due to its small carrying capacity, low skin effect, large floor area, and long on-site construction period. Therefore, tubular busbars have advantages in ampacity, skin effect, and heat dissipation performance. Traditional tubular busbar insulation methods usually use support insulators and heat-shrinkable sleeves for insulation, but this still cannot solve the problem. With the de...

Claims

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Application Information

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IPC IPC(8): H01B7/16H01B7/00H01B7/17H01B13/004H01B13/06
Inventor 袁康杨小强袁授本汤大勇
Owner SHANGHAI XIBANG ELECTRIC
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