Current flow boosting structure and 12kv horizontal rotating type disconnector

CN115346822BActive Publication Date: 2026-05-29CHANGGAO ELECTRIC GROUP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHANGGAO ELECTRIC GROUP CO LTD
Filing Date
2022-09-15
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The current carrying capacity of existing 12kV double-column horizontal rotary disconnect switches is insufficient. Existing technologies improve current transmission efficiency by increasing the contact area between the contacts and the contacts, but the effect is limited and cannot meet user needs.

Method used

The first and second current-lifting components, which adopt a parallel structure, include a conductive structure, a wiring mechanism, and current-lifting elements. The current carrying capacity is improved by connecting them in parallel, and the current is increased by utilizing the principle of reduced resistance in parallel circuits.

Benefits of technology

The current carrying capacity of the 12kV horizontal rotary disconnector has been significantly improved, from 100A-1600A to 2500A-4000A, meeting user needs.

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    Figure CN115346822B_ABST
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Abstract

The application provides a current flow boosting structure and a 12kV horizontal rotary type disconnector, which comprises a first current boosting assembly and a second current boosting assembly. The first current boosting assembly and the second current boosting assembly are arranged in an openable and closable mode. The first current boosting assembly comprises a first conductive structure, a first wiring mechanism for connecting an external cable and a first current boosting element. The first current boosting element and the first wiring mechanism are connected in parallel on the first conductive structure. The second current boosting assembly comprises a second conductive structure, a second wiring mechanism for connecting an external cable and a second current boosting element. The second current boosting element and the second wiring mechanism are connected in parallel on the second conductive structure. The arrangement can greatly improve the current flow capacity of the 12kV horizontal rotary type disconnector. The current flow capacity range is greatly increased, thereby meeting the needs of users.
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