Article

Received 21.07.2025

Revised 23.11.2025

Accepted 29.12.2025

Retrieved from Vol. 28, No. 2, 2025

Pages 64 -75

Riabov, I., Overianova, L., Ivanov, K., Bilokon, I., & Zhukov, A. (2025). Development of a hybrid tractionsystem for a suburban multiple electric train with dual power supply. The National Transport University Bulletin: A Scientific and Technical Journal, 28(2), 64-75. https://doi.org/10.32703/2617-9040-2025-46-5

Development of a hybrid tractionsystem for a suburban multiple electric train with dual power supply

Ievgen Riabov Liliia Overianova Kostiantyn Ivanov Iryna Bilokon Anton Zhukov

This paper examines and analyses the design options for traction systems of modern electric rolling stock.  Traction  systems  based  on  traditional  circuit  design  solutions  are  reviewed  and  discussed.  A review of traction systems with converters using medium-frequency transformers is provided. The use of such transformers reduces the weight of electrical equipment, requires less installation space, and increases the energy efficiency of electric rolling stock. It is shown that a priority approach is to use a hybrid traction system based on traditional circuit solutions, as its components exhibit high reliability. Several variants of hybrid traction systems for a dual-supply suburban electric train are proposed. The study demonstrates the feasibility of stabilising the intermediate circuit voltage to ensure autonomous energy exchange between the energy storage system and the traction drive. The operation of the circuits is  described,  and  it  is  shown  that  when  the  intermediate  DC-link  voltage  does  not  exceed  1000 V, standard industrial solutions can be used in the energy storage system. The proposed hybrid traction systems can be implemented in the modernisation or development of new electric multiple units and may also be used in other types of rail vehicles

electric rolling stock; energy efficiency; hybrid traction system; traction electric drive; energy storage device; traction converter; traction transformer; traction asynchronous motor
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https://doi.org/10.32703/2617-9040-2025-46-5