A Pattern Recognition System for Fault Analysis in TCSC Based Transmission Line
Publish place: 26th International Power System Conference
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PSC26_008
تاریخ نمایه سازی: 27 اسفند 1390
Abstract:
This paper present an efficient pattern recognition system for fault classification and section detection in transmission line including Thyristor Controlled Series Compensator (TCSC). The proposed method extracts the features of the three line current samples by using S-Transform (ST). Afterwards, the constructed feature vector is applied as input to two Support Vector Machines (SVMs). The SVM models are trained to determine the fault type and section (whether the fault occurs before or after TCSC which is placed in middle of line) separately. A main characteristic of ST is that it uniquely combines a frequency dependent resolution of the time-frequency space. The proposed algorithm has been implemented on transmission line with TCSC for ten types of fault using PSCAD/EMTDC. The results signify that the combination of ST and SVMs (ST-SVMs) accurately classifies all types of fault and identifies fault section on a 400kV TCSC-based transmission line.
Authors
Zahra Moravej
Semnan University
Mohammad Pazoki
Semnan University
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