High-voltage test shielding cover for 10kV ring main unit

A technology of high-voltage test and ring network cabinet, which is applied in the direction of the measuring device shell, etc., can solve the problem that the overall insulation of the ring network cabinet cannot be inspected, and achieve the effect of light weight, high safety factor and simple structure

Inactive Publication Date: 2014-09-03
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the problems existing in the above-mentioned prior art, the present invention provides a 10kV ring network cabinet high-voltage t

Method used

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  • High-voltage test shielding cover for 10kV ring main unit
  • High-voltage test shielding cover for 10kV ring main unit
  • High-voltage test shielding cover for 10kV ring main unit

Examples

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Example Embodiment

[0022] Example

[0023] Such as Figure 3-4 As shown, the main body is made of rubber insulating material and is crimped by a high-temperature mold. The main body includes a cover body 301 and a sleeve 302. The length ratio of the cover body and the sleeve is the same, and each occupies one-half of the main body. The cover and the sleeve are coaxially arranged. The cover is in the shape of a truncated cone, and the sleeve is an equal diameter circle. Tube, the size of the truncated cone-shaped cover is matched with the inlet and outlet sleeves, and the size of the casing is matched with the cable. The outer wall diameter of the casing is smaller than the cross-sectional diameter of the truncated cover; the ends of the cover and the sleeve are equipped with rubber tights. Firmware 303; the inner wall of the end of the cover is provided with a convex ring 304.

[0024] Such as Figure 1-2 When in use, first connect the high-voltage insulated cable 4 with the transformer 5, and th...

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Abstract

The invention relates to a high-voltage test shielding cover for a 10kV ring main unit. The high-voltage test shielding cover is particularly suitable for commissioning tests of the 10kV ring main unit. A structure body of the high-voltage test shielding cover comprises a cover body and a sleeve. The cover body and the sleeve are coaxially arranged. The cover body is of a circular truncated cone shape. The sleeve is an equal-diameter round pipe. The size of the cover body of the circular truncated cone shape is matched with that of the incoming and outgoing line sleeve. The size of the sleeve is matched with that of a cable. The cover body and the end of the sleeve are provided with elastic fastening pieces. The high-voltage test shielding cover fundamentally solves the problem that the ring main unit can not apply enough alternating-current voltage, ensures that the tests are carried out smoothly and accurately and the high-voltage tests inspect integral insulation of the ring main unit accurately, and provides a powerful evidence for whether the ring main unit can be put into operation.

Description

Technical field [0001] The invention involves an insulation protective cover, especially a 10KV ring network cabinet high -pressure test cover, which is particularly suitable for the 10KV ring network cabinet transfer test. Background technique [0002] At present, due to the needs of urban construction and power grid reconstruction, the 10kV transmission system uses power cables as transmission lines. In order to improve the reliability of power supply, the transmission main line is powered by a ring network.Then supply other users to other users, so the ring network cabinet has become an important part of the 10KV transmission line.But at the same time, it is also a weak link in the operation of the transmission line, because the structural characteristics of the ring network cabinet are compact and small, and the interior is equipped with hexarium sulfur sulfur fracturing, isolation switch, fuse pipe, and bus.Insufficient insulation distance, leakage or moisture, such as disch...

Claims

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Application Information

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IPC IPC(8): G01R1/04
Inventor 黄东伟龚晨斌岳程城李莹玺石峰于春岩露天峰李一然
Owner STATE GRID CORP OF CHINA
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