Estimation of the inductive current transformer derating for operation with distorted currents

Bulletin of the Polish Academy of Sciences. Technical Sciences

M. KaczmarekInstitute of Electrical Power Engineering, Lodz University of Technology, 18/22 Stefanowskiego St., 90-924 ?od?, PolandEmailOther articles by this author:De Gruyter OnlineGoogle Scholar¹ 

[1] Institute of Electrical Power Engineering, Lodz University of Technology, 18/22 Stefanowskiego St., 90-924 ?od?, Poland

关键词: Keywords: current transformer;    distorted current;    derating conditions;    composite error;    transformer correction factor;    accuracy class;   

DOI  :  10.2478/bpasts-2014-0036

学科分类：工程和技术（综合）

来源: Polska Akademia Nauk * Centrum Upowszechniania Nauki / Polish Academy of Sciences, Center for the Advancement of Science

【 摘 要 】

The aim of the paper is to present a new method for estimation of the CT (Current Transformer) rated primary current and / or load of the secondary winding derating levels for transformation of distorted current in relation to the rated values fixed for transformation of sinusoidal current. This ensures the values of the CT composite errors/transformer correction factors as resulting from its IEC 60044-1/IEEE C57.13 accuracy class in condition of distorted currents transformation.

【 授权许可】

Unknown