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Current transformers (CTs) of the bus bar type are widely used in ultrahigh voltage power systems for monitoring and protection. This paper presents a mathematical model to predict the measured current error caused by tilting and position eccentricity of the primary conductor of a bus bar in a CT. The model is based on actual B-H curve characteristics and is verified by comparing the model predicted results to corresponding 2-D and 3-D transient finite-element model results.
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Zhang et al. (2019) studied this question.
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