Journal
MATHEMATICS AND COMPUTERS IN SIMULATION
Volume 130, Issue -, Pages 236-250Publisher
ELSEVIER
DOI: 10.1016/j.matcom.2016.05.002
Keywords
Hybrid railway power substation (HRPS); Supervision design; Fuzzy logic (FL) energy management; Design of experiments (DoE); Genetic algorithm (GA)
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Funding
- French National Research Agency (ANR)
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Renewable energy sources and storage units' integration in the railway power substations is an alternative solution to handle the energy consumption, due to railway traffic increase and electricity market liberalization. To integrate this technology change in the railway network, an adapted energy management system has to be established. However, when considering only energy efficiency aspects on the energy management strategy, an economical viable solution cannot be ensured. This paper proposes a supervision strategy based on multi-criteria approach including energetic, environmental and economic constraints. The energy management objectives such as reducing the network power demand, favoring local renewable consumption and ensuring storage availability are treated in different time levels. Economic aspects are first integrated in predictive mode based on forecast data. Then a supervision strategy is developed based on fuzzy logic approach and graphical tool to build it. An optimization study of the supervision strategy is proposed in order to conclude on system performance. Simulation results are discussed for different scenarios cases and the reaction of the hybrid railway power substation is detailed. Results show that this methodology can be successfully applied for hybrid systems energy management in order to improve their energy efficiency. (C) 2016 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.
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