Fault analysis and protection in flexible DC traction power supply system

B Li, D Chen, J He, C Wang, J Song… - IEEE Transactions on …, 2023‏ - ieeexplore.ieee.org
Fault analysis and protection are crucial for the development of flexible dc traction power
supply system (DC-TPSS) in urban rail transit. The aim of this study was to provide a …

Comprehensive analysis of faults and diagnosis techniques in cascaded multi-level inverters

RK Gatla, DG Kumar, P Shashavali, R Dsnm, H Kotb… - Heliyon, 2024‏ - cell.com
Reliability is a crucial factor to consider for multi-level inverters (MLIs) used in industrial
applications. With the increasing number of power semiconductor devices, the potential for …

Grounding Fault Diagnosis of Running Rails Based on a Multi-scale One-Dimensional Convolutional Neural Network in a DC Subway System

G Du, N Liu, D Zhang, Q Li, J Sun, X Jiang, Z Zhu - Urban Rail Transit, 2024‏ - Springer
Running rails are the return conductors of the traction current in DC subway systems, which
should be insulated from the earth. Due to the large length of the line, as well as the humidity …

Electrical safety and stray current protection with platform screen doors in DC rapid transit

A Mariscotti - IEEE Transactions on Transportation …, 2021‏ - ieeexplore.ieee.org
Modern transit systems are equipped with platform screen doors (PSDs) that represent a
new element introduced in electrical safety and stray current protection scenarios …

Adaptive DDL Algorithm to Elucidate the Protection Misoperation in Malaysian Rapid Rail DC Traction System

VRB Kumar, ML Othman, NIA Wahab, HB Hizam… - IEEE …, 2024‏ - ieeexplore.ieee.org
In modern railway traffic systems, direct current (DC) electrification is a prevalent choice, with
numerous traction networks adopting a variety of voltage levels to accommodate varying …

Ground Fault Location Method for Catenaries of DC Railway Systems

JM Guerrero, A Blázquez… - IEEE Transactions …, 2025‏ - ieeexplore.ieee.org
The utilization of Direct Current (DC) railway systems is increasingly prevalent, as it
constitutes the majority of urban tram power supply systems. Despite their high efficiency …

A current wave-shape based feeder protection for DC electric railway traction systems

A Babaahmadi-Fooladi, I Sadeghkhani… - Electric Power Systems …, 2023‏ - Elsevier
The heavy traffic and modern trains increase the load current of the railway electrical
transportation system. This current may be comparable to the current due to a distant fault …

A Ground Fault Location Method for DC Railway Systems

JM Guerrero, D Serrano-Jiménez… - … on Environment and …, 2023‏ - ieeexplore.ieee.org
The application of Direct Current (DC) railway systems is more and more noticeable as they
conform most of urban tram feeding systems and, step-by-step, it is being introduced in high …

Optimization of digital overcurrent protection settings in DC urban light railway systems

E Pons, P Colella, R Rizzoli… - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
DC urban light railway systems are used for public transportation in many towns worldwide.
In these systems, short-circuit currents are often similar, both in steady-state magnitude and …