Modeling of the voltage stabilization system for the secondary power supply of electric locomotive control circuits
https://doi.org/10.46973/0201-727X_2025_4_179
Abstract
Instability of the output voltage of electric locomotive secondary power supplies during significant voltage fluctuations in the overhead contact line leads to malfunctions of equipment, failures, and economic losses from their downtime. As a solution, the development of an improved design of a controlled secondary voltage source with an automatic regulation system that ensures output voltage stabilization is proposed. To achieve this goal, the work involved an analysis of typical secondary power supply circuits, a calculation of key elements such as an isolation transformer, and the development of a control system based on a voltage regulator, verified through simulation modeling in the SimInTech environment. The simulation results confirmed the operability and effectiveness of the developed control system, demonstrating its ability to maintain a stable output voltage during input voltage changes.
About the Authors
D. V. Olkhovatov
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Olkhovatov Dmitry Viktorovich, Chair “Traction Rolling Stock”, Candidate of Engineering Sciences, Associate Professor
A. V. Shevkunova
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Shevkunova Anastasiya Vladimirovna, Chair “Traction Rolling Stock”, Candidate of Engineering Sciences, Associate Professor
P. Yu. Konovalov
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Konovalov Pavel Yurievich, Chair “Traction Rolling Stock”, Candidate of Engineering Sciences, Associate Professor
D. E. Pritykin
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Pritykin Dmitry Evgenievich, Chair “Traction Rolling Stock”, Center for the Development of Innovative Competencies, Candidate of Engineering Sciences,
Associate Professor, Director
Ya. K. Sklifus
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Sklifus Yaroslav Konstantinovich, Chair “Traction Rolling Stock”, Center for Design, Engineering and Modeling, Candidate of Engineering Sciences, Associate Professor, Head of the Center
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Review
For citations:
Olkhovatov D.V., Shevkunova A.V., Konovalov P.Yu., Pritykin D.E., Sklifus Ya.K. Modeling of the voltage stabilization system for the secondary power supply of electric locomotive control circuits. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2025;(4):179-187. (In Russ.) https://doi.org/10.46973/0201-727X_2025_4_179
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