• Corpus ID: 112924042

Fault-Induced Transient Analysis for Real-Time Fault Detection and Location in Transmission Lines

@inproceedings{Costa2011FaultInducedTA,
  title={Fault-Induced Transient Analysis for Real-Time Fault Detection and Location in Transmission Lines},
  author={Fl{\'a}vio Bezerra Costa and Benemar Alencar Souza},
  year={2011}
}

• F. Costa, B. A. Souza
• Published 2011
• Engineering

The real-time detection of the fault-induced tran- sients on both transmission line terminals can allow the direc- tional protection system to detect and locate faults in agreement with a high-speed fault clearance. This paper presents a wavelet- based method for real-time detection of the fault-induced tran- sients. The method can detect whether the fault is within the protected line and estimate the fault location through a commu- nication link at both line terminals. The wavelet coefficients were computed with both the Discrete Wavelet Transform (DWT) and the Maximal Overlap Discrete Wavelet Transform (MODWT). However, the MODWT provided faster fault detection and better fault location. The method was implemented and evaluated by means of the Real Time Digital Simulator (RTDS). Index Terms—Fault-induced transients, fault location, trans- mission line protection, real-time wavelet transform.