Abstract
This paper focuses on the problem of voltage unbalance for single-phase railway substations using the AC-chopper controlled impedance concept (CCI). This topology is based on the use of an active Steinmetz circuit. The sizing and control method of the compensator has been studied based on real data provided by the Moroccan railway office (ONCF). A comparison was realized between the CCI compensator, voltage source inverter-based STATCOM VSI, and current source inverter-based STATCOM CSI in terms of power losses in the semiconductors. The three topologies have been implemented in the MATLAB/Simulink environment. The obtained results prove the efficiency of the CCI topology compared to the VSI and CSI compensators.
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Ismail, M., Anas, B., Jamal, B., Badreddine, L., Yassine, A., Mimoun, Y. (2023). New Strategy for Unbalance Compensation Based on PWM AC-Chopper for Railway Applications. In: Bekkay, H., Mellit, A., Gagliano, A., Rabhi, A., Amine Koulali, M. (eds) Proceedings of the 3rd International Conference on Electronic Engineering and Renewable Energy Systems. ICEERE 2022. Lecture Notes in Electrical Engineering, vol 954. Springer, Singapore. https://doi.org/10.1007/978-981-19-6223-3_53
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DOI: https://doi.org/10.1007/978-981-19-6223-3_53
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