Sachin Tiwari, Aditya Pandey
The main purpose of a current transformer is to translate the primary current in a high voltage power system to single level that can be handled by delicate electromechanical or electronic device. Current transformers are the very important aspect of the power system protection. So for the correct CT operation the accuracy class of CT sizing&should be Adequate with the system current & related burden and effective transient condition. In this paper, it proposes advance CT sizing concept with KTD and X/R ratio factor with CT performance analysis at different -2 CT Burden and CT saturation analysis at Asymmetrical Current condition with the Alternating Transient Programming (ATP) software.
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