2010•Electric SwitchgearRequires access

Simulation Study on Current Transformer Saturaiton and Its Influencing Factors

Yi Gao

Abstract

A current transformer is an important transmission facility in electric power systems,but the iron-core saturatin of the transformer can result in the malfunction and refusing action of microcomputer relay protection.The papre analyzes the stauration process of the current transformer and gets main factors that effects transient characteristic of the current transformer.Then the simulation software MATLAB of the electric system is used to build the current transformer model.The saturation charcteristic of the current transformer is analyzed and simulated.The results are uniform with theoretical analysis..

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Key concepts: Current transformer, Transformer effect, Transformer, Delta-wye transformer, Electrical engineering, Energy efficient transformer, Distribution transformer, Isolation transformer