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Introduction of an intriguing approach for eletric current transformer on-site examining repairing
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Introduction of an intriguing approach for eletric current transformer on-site examining repairing
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The working principle of a electric current transformer is based on electromagnetic induction, mainly composed of a closed iron core and windings. Its primary winding has relatively few turns and is connected in series with the current circuit to be measured. However, due to the frequent occurrence of full current passing through the current transformer during use, its secondary winding has relatively more turns. During use, errors may occur in the current transformer. Therefore, technical personnel can adopt the heterodyne measurement method to shield interference signals and ensure the accuracy of measurements during on-site examining and repairing of current transformers. This article mainly introduces the characteristics of transformers and their on-site examining and repairing process and errors, and describes the specific application of heterodyne measurement in on-site examining and repairing of current transformers.
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