Bus connector

Abstract

The invention relates to a busbar connector used in a gas-insulated metal-enclosed switchgear of 24 kV or less than 24 kV. The busbar connector mainly comprises a rubber sleeve, a spring, a sectorial wafer, a grid plate, a ground wire group and aluminum tubes, wherein the sectorial wafer is arranged inside a clamping groove of the grid plate, and the sectorial wafer and the grid plate are fixed with each other by the spring to form a sectorial contact; and the aluminum tubes are arranged on both ends of an inner cavity of the rubber sleeve, the sectorial contact is inserted into the rubber sleeve, and the ground wire group is arranged in the middle of the outer surface of the rubber sleeve, so that the busbar connector is formed. The gas-insulated metal-enclosed switchgear of 24 kV or less than 24 kV using the busbar connector to assemble machine cabinets has good discharge current capability, a compact structure, reliable quality and superior insulating property, and improves the stability and the safety of equipment operation.

Description

Technical field: [0001] The invention relates to the technical field of insulators used in gas-insulated metal-enclosed switchgear of 24kV and below, in particular to a busbar connector. Background technique: [0002] In the process of design, installation and use of 24kV and below gas-insulated metal-enclosed switchgear, the splicing mode between switchgear, the design and selection of insulating parts and the control of installation quality have always been considered by product designers and engineering installers. This is because the technical index of the insulating part is the bottleneck of the overall equipment performance index. Only by improving the technical level of the insulating part can the technical level of the overall equipment be improved, and the safety and stability of the overall equipment operation can be improved. Existing busbar connectors: ①The contacts are composed of sheet contacts. Under the same installation and use conditions, the contacts of th...

AI Technical Summary

Problems solved by technology

Existing busbar connectors: ①The contacts are composed of sheet contacts. Under the same installation and use conditions, the contacts of this structure have low current capacity and the rated current can only reach 630A

Due to the continuous rapid development of the national economy and the continuous increase in power consumption, users put forward higher requirements for the performance indicators of switchgear, and the low rated current limits the development and application of gas-insulated metal-enclosed switchgear

② There is no supporting aluminum tube in the inner cavity of the rubber sleeve

When the switchgear is spliced, the insulation coordination between the busbar connector and the busbar insulator is the key to ensure its electrical performance, but without the busbar connector supporting the aluminum tube, the interface pressure of the insulation coordination will not be reliably guaranteed

③The product structure is large in size

The structural size of the busbar connector directly affects the cabinet size and manufacturing cost of the switchgear. A large structural size will inevitably increase the cabinet size of the switchgear and increase the product cost

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