Abstract
At present, a great variety of traction power supply systems (TPSSs) are being used, planned, and developed for the future. This is because of the specifics of the electric transport system, as well as scientific and technological progress. The variety of TPSSs became possible as a result of the development of power semiconductors for transforming electricity parameters, as well as due to significant improvements in switching and power equipment. On the whole, control over their regimes of operation and the provision of desired quality parameters of electricity on electric rolling stock (ERS) bow collectors are still problems to be solved in traction power supply systems. Quality parameters for electricity are given in detail in different standards, specifications, rules for design and operation, and GOSTs (State Standards), but optimization of operating regimes of transport systems has not been considered. ”Regime optimization” may refer to (1) the voltage of ERS collectors and its deviations and oscillations affecting travel speed and traction characteristics, (2) consumption of electricity during transportation in conducting mains and load-bearing members of the system, and (3) use of electric braking energy. To ensure optimization of operating regimes, adaptive traction power supply systems are necessary, which should be understood as an uninterrupted evolution of traction power supply for energy consumption by trains. In this paper, an adaptive traction power supply system with voltage converters in the intersubstation zone is analyzed. The circuits and characteristics of the system’s elements are shown, and its electrical quantities are determined.
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Original Russian Text © V.I. Sopov, N.I. Shchurov, A.V. Ivanov, A.P. Kuznetsov, 2014, published in Elektrotekhnika, 2014, No. 12, pp. 22–27.
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Sopov, V.I., Shchurov, N.I., Ivanov, A.V. et al. Adaptive systems of traction power supply. Russ. Electr. Engin. 85, 729–733 (2014). https://doi.org/10.3103/S1068371214120141
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DOI: https://doi.org/10.3103/S1068371214120141