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An Application of Dynamic Thermal Line Rating Control System to Up-Rate the Ampacity of Overhead Transmission Lines

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2 Author(s)
Kim, S.D. ; Department of Electronic and Control Engineering, Hanbat National University, Daejeon, Korea ; Morcos, M.M.

A method is proposed to utilize the dynamic-line rating system on old transmission lines to up-rate ampacity without replacing old conductors or increasing line voltage. A DLR system applicable to double-circuit transmission lines is designed based on maximum-allowable conductor temperature, conductor temperature at the limit-dip (sag) margin, and transformer maximum load. The improved performance of the system is reported.

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Power Delivery, IEEE Transactions on  (Volume:28 ,  Issue: 2 )