Current transformer nameplate

Abstract

A current transformer nameplate disclosed by the present invention comprises a storage chip used for recording the relevant information of a current transformer and an insulating protection layer wrapping the exterior of the storage chip. The insulating protection layer wraps the exterior of the storage chip and is not a metal, so that the storage chip is not influenced by the environmental humiture and an electromagnetic environment, and accordingly, the storage chip has a longer service life. In addition, during the practical application, the body information of the current transformer and the adjustment information at installation both can be stored in the storage chip, so that the situation that the body information of the current transformer corresponds to the adjustment information, is guaranteed, and accordingly, the situation that the misoperation of a relay protection device, the remote measurement, a metering error and the like caused by the wrong installation of the current transformer and when the current transformer is replaced, influence the safe operation of an electric power system, is avoided effectively.

Description

technical field [0001] The invention relates to the technical field of electric power system relay protection, and more specifically relates to a nameplate of a current transformer. Background technique [0002] The existing nameplates of current transformers are usually made of steel by the manufacturer. When the nameplate of the current transformer leaves the factory, the manufacturer will put the body information of the current transformer (including internal taps, current transformation ratio, output current characteristics, etc.) are engraved on the nameplate using a metal cutter. [0003] There are two problems in the existing nameplates of current transformers: one is that when the nameplates made of steel are exposed outdoors for a long time, the nameplates will get rusted, resulting in blurred and unrecognizable words engraved on the nameplates. When the current transformer needs to be replaced or the transformation ratio of the current transformer needs to be chan...

AI Technical Summary

Problems solved by technology

[0003] There are two problems in the existing nameplates of current transformers: one is that when the steel nameplate is exposed outdoors for a long time, the nameplate will rust, which will cause the words engraved on the nameplate to be blurred and unrecognizable

Due to the different installation positions of current transformers of the same type, their adjustment information on site is also different accordingly. Therefore, the body information and adjustment information of current transformers are stored separately. The information and adjustment information do not correspond to each other, resulting in wrong installation of current transformers, misoperation of relay protection devices, errors in remote measurement and metering, etc., thus affecting the safe operation of the power system

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