Damping the Inrush Current for Current Transformer

Alyounus, Yousif and Ghazal, Omar and Albanna, Enaam Albanna (2020) Damping the Inrush Current for Current Transformer. In: IMDC-SDSP 2020, 28-30 June 2020, Cyberspace.

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Abstract

The inrush current is a highly asymmetric transient magnetizing current resulting from saturation of the core of the transformer caused by excessive growth of magnetic flux in one direction only. The suggested strategy to damp the inrush current is adding an inductor in parallel with the circuit breaker (C.B., which has a very low resistance when it is closed) at different values of the adding inductor to determine the suitable values of the inductor to damp the probable inrush current. This strategy differs from other strategies because the damping inductor is connected in parallel with the C.B. only at closing the C.B. for a few cycles, The damping inductor prevents the excessive growth for the flux in the core of the CT which lead to saturating the core of CT and then, prevents the excessive growth for the inrush current for specific situations of switching. Finally, the MATLAB program is used to simulate the suggesting strategy.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: inrush current damping the inrush current mal operation of ct transformer
Subjects: Q Science > QA Mathematics > QA76 Computer software
Depositing User: EAI Editor III.
Date Deposited: 12 Feb 2021 13:06
Last Modified: 12 Feb 2021 13:06
URI: https://eprints.eudl.eu/id/eprint/1108

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