A Novel Renewable Microgrid-enabled Metro Traction Power System - Concepts, Framework and Operation Strategy

Haoyuan Yu, Yanbo Wang*, Zhe Chen

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Abstrakt

This paper presents a novel renewable microgrid-enabled metro traction power system (MMTPS), where the renewable energies and regenerative braking power of metro trains are unifiedly managed by renewable microgrids to reduce the energy consumption and obtain the economic benefits for metro traction power system. The concept and system framework of MMTPS is first established, where the metro energy router (MER) is presented as an innovative solution to efficiently integrate renewable microgrids into metro traction power system (MTPS). Then, the four operation modes of MMTPS are defined and analyzed, including voltage control mode, power control mode, regenerative braking supporting mode and islanded mode. Furthermore, the system average model of the proposed MMTPS is established to investigate the steady-state performances of MMTPS. In addition, the control strategies of MMTPS are developed to enable the different operation modes. Finally, the simulation and hardware-in-the-loop (HIL) experimental results are given to validate the effectiveness of the MMTPS. The proposed MMTPS as an innovative solution is able to reduce the energy consumption of MTPS, and obtain economic benefits from renewable energy sources and regenerative braking energy.
OriginalsprogEngelsk
TidsskriftIEEE Transactions on Transportation Electrification
ISSN2332-7782
StatusAccepteret/In press - 2021

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