Integrated system of electronic current transformer and breaker

Abstract

The invention discloses an integrated system of an electronic current transformer and a circuit breaker, which comprises an arc extinguishing chamber of the circuit breaker, a coil box body and a support part of the circuit breaker arranged in sequence, and a collection unit arranged on one side of the coil box body box. The integrated system of the electronic current transformer and the circuit breaker of the present invention realizes the integrated connection between the arc extinguishing chamber and the supporting part of the circuit breaker through the provided coil box and the collection unit box; Insulated structure, the first fastening connection surface between the first connecting flange and the second connecting flange is located on the inner side of the coil, which is used to conduct current; the surrounding is insulated by an insulating ring, and the conduction channel is located inside the coil , so it can realize the function of electronic current transformer; the acquisition box is directly fixed on the coil box without additional support, the structure is reasonable, the design is ingenious, the integration is high, and it is easy to arrange and install.

Description

technical field [0001] The invention relates to the field of high-voltage circuit breakers, in particular to an integrated system of electronic current transformers and circuit breakers. Background technique [0002] In order to reduce the space occupied by substations, the miniaturization and integration of high-voltage electrical equipment has become its main development direction. For example, the utility model patent (authorization number: CN 203367765 U) discloses a connection structure between an electronic current transformer and a circuit breaker, which embeds the electronic current transformer inside the circuit breaker to reduce the occupied space, but the circuit breaker The outer cover and optical fiber insulator are added next to it, the space saved is limited, and multiple insulators are still used. Contents of the invention [0003] Aiming at the problems existing in the prior art, the present invention provides an integrated system of an electronic current...

AI Technical Summary

Problems solved by technology

For example, a utility model patent (authorization number: CN 203367765 U) discloses a connection structure between an electronic current transformer and a circuit breaker, which embeds the electronic current transfo

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