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April 23, 2026Journal of the Korean society for railway

Traveling Wave-Based Fault Location for AC Railway Feeding Systems Using Combined Wavelet Transform and STA/LTA Technique

Gyu‐Jung Cho Min-Sang Kim Young Park Wonkyu Choi Joorak Kim Hyungchul Kim

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Key Points

The research aims to develop an algorithm for accurately locating faults in AC railway feeding systems.
Combined discrete wavelet transform (DWT) and STA/LTA technique for fault detection.
Modeling of a 2×25 kV AC feeding system using PSCAD/EMTDC.
Simulation of various fault scenarios over a 0 to 28 km range.
High linearity observed between fault distance and wave arrival time.
Average detection error recorded was 1.72 μs.

Implication

Evaluates fault location accuracy in AC railway systems, indicating a new high-precision algorithm.

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Cite This Study

Cho et al. (2026) studied this question.

synapsesocial.com/papers/69ec598788ba6daa22dab4f0 https://doi.org/10.7782/jksr.2026.29.4.402

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Keep reading

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1Traveling Wave Fault Location for AC Transmission Lines: An Approach Based on the Application of EMD and Teager Energy Operator2024
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4An Adaptive Simplified Travelling Wave‐Based Fault Detection, Classification and Location Estimation Strategy for Series Compensated Transmission Lines2025 · 3 citations
5Single-Ended Fault Detection and Fault Location in Transmission Lines Using Approximate DerivativeOriginal Research · 2026

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