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Fault Classification and Section Identification of an Advanced Series-Compensated Transmission Line Using Support Vector Machine

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3 Author(s)
Dash, P.K. ; Center for Res. in Electr., Electron. & Comput. Eng., Bhubaneswar ; Samantaray, S.R. ; Panda, G.

Distance protection of flexible ac transmission lines, including the thyristor-controlled series compensator (TCSC), static synchronous compensator, and static var compensator has been a very challenging task. This paper presents a new approach for the protection of TCSC line using a support vector machine (SVM). The proposed method uses postfault current samples for half cycle (ten samples) from the inception of the fault and firing angle as inputs to the SVM. Three SVMs are trained to provide fault classification, ground detection, and section identification, respectively, for the line using TCSC. The SVMs are trained with polynomial kernel and Gaussian kernel with different parameter values to get the most optimized classifier. The proposed method converges very fast with fewer numbers of training samples compared to neural-network and neuro-fuzzy systems which indicates fastness and accuracy of the proposed method for protection of the transmission line with TCSC

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Power Delivery, IEEE Transactions on  (Volume:22 ,  Issue: 1 )