#7682. Non-linear switched model for accurate voltage estimation and power flow analysis of DC railway systems

October 2026publication date
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Journal’s subject area:
Electrical and Electronic Engineering;
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Abstract:
Simulation tools are crucial to efficiently design the infrastructures and operations of DC electrical railway systems, including potential innovative technologies such as reversible traction power substations and energy storage systems. For this purpose, it is essential to accurately estimate the evolution of the voltage and power flows within the DC traction network, with fast computation time. This study, therefore, proposes a new simulation approach for fast and accurate voltage estimation and power flow analysis of DC railway systems. It is based on the use of non-linear switched models for traction power substations and trains.
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