Solid insulation ring main unit main insulation module

Abstract

The invention provides a solid insulation ring main unit main insulation module which comprises an epoxy body, an isolation knife, an isolation knife fixed contact, a vacuum arc extinguish chamber and a conductor. The vacuum arc extinguish chamber is horizontally cast in the epoxy body and is fixedly connected with the conductor through a bolt. A cable joint connecting hole is formed in the epoxy body and connected with the conductor. The epoxy body is provided with a plurality of bus connecting holes and an isolation knife movement cavity. The end of the isolation knife fixed contact is cast into the epoxy body. The other end of the isolation knife fixed contact extends into the isolation knife movement cavity. The isolation knife is arranged in the isolation knife movement cavity. According to the solid insulation ring main unit main insulation module, the operating difficulty of a solid insulation ring main unit is lowered, the bus boundary dimension is reduced, the bus connecting way is simplified, and the requirement for compactness of the solid insulation ring main unit is better met.

Description

technical field [0001] The invention relates to a main insulation module of a solid insulating ring network cabinet, belonging to the technical field of solid insulating ring network cabinets. Background technique [0002] In the prior art, the vacuum interrupters in the main insulation module are mostly arranged vertically, and the operating mechanism is placed on the upper part of the main insulation module; the busbar connection method used on the main insulation module is an external taper connection. The above design has the following disadvantages: Since the operating mechanism is placed on the upper part of the main insulation module, and the solid insulation ring network cabinet must ensure a cable connection height of more than 650mm, the operating height of the solid insulation ring network cabinet is too high; the outer tapered busbar is adopted The connection method not only increases the size of the main insulation module, but also has a complex structure an...

AI Technical Summary

Problems solved by technology

The above design has the following disadvantages: Since the operating mechanism is placed on the upper part of the main insulation module, and the solid insulation ring network cabinet must ensure a cable connection height of more than 650mm, the operating height of the solid insulation ring network cabinet is too high; the outer tapered busbar is adopted The connection method not only increases the size of the main insulation module, but also has a complex structure and a large size of the busbar

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