Solid insulating vacuum ring network cabinet

Abstract

The invention provides a solid insulating vacuum ring network cabinet comprising at least one wire inlet ring network cabinet and at least one wire outlet ring network cabinet, wherein the wire inlet ring network cabinet is assembled on a cabinet body by a vacuum switch unit through screws so as to form the whole wire inlet ring main unit; the wire outlet ring network cabinet is formed by assembling the vacuum switch unit and a fuse tripping interlocking device on the cabinet body through screws; a fuse cylinder component is arranged at the position in the vacuum switch unit at which a polar column assembling plug is securely sealed. The solid insulating vacuum ring network cabinet has the advantages that harmful substances are not generated during the working process; furthermore, all parts can be reclaimed after achieving the service life; and the environment-friendly requirement is adapted. All charged bodies are placed or arranged in epoxy resin; the electric performance of the ring network cabinet is not affected by external environments such as vapor, dust and the like; and the maintenance quantity is little and the service life is long. As charged bodies are all arranged inthe epoxy resin, semiconductor substance is sprayed outside the epoxy resin; and the induction voltage is grounded; therefore, even when a user contacts with the ring network cabinet, the electric shock accident does not occur, and the safety of equipment is improved.

Description

technical field [0001] The invention is a new type of solid insulation ring network cabinet. It belongs to the technical field of high-voltage power distribution equipment. technical background [0002] At present, most of the ring network cabinets are gas-insulated ring network cabinets. SF6 gas is used as the insulation or breaking medium of the high-voltage live part. Since SF6 gas will decompose and produce toxic gas after it is disconnected, and it is easy to leak, the sealing requirements for the box are high and the processing technology is complicated, which makes the maintenance and testing of the gas-insulated ring network cabinet more complicated, and regular leak detection and gas replenishment are required. In addition, according to the "Kyoto Protocol", as the insulation or breaking medium of the gas-insulated ring main unit, SF6 gas is clearly listed as one of the greenhouse gases, and its use is required to be reduced. Contents of the invention [0003] ...

AI Technical Summary

Problems solved by technology

Since SF6 gas will decompose and produce toxic gas after it is disconnected, and it is easy to leak, the sealing requirements of the box are high and the processing technology is complicated, which makes the maintenance and testing of the gas-insulated ring main unit more complicated, and regular leak detection and gas replenishment are required

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