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Mr. Shiqiang Xiang
China Railway Eryuan Engineering Group Co. Ltd (CREEC)

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Research Keywords & Expertise

0 microgrid
0 VSG
0 Power supply and transformation
0 Control technology of grid-connected inverter
0 Smart road

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Journal article
Published: 26 August 2020 in Energies
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Generally running with frequent braking over short distances, the urban rail transit train generates great quantities of regenerative braking energy (RBE). The RBE feedback system can effectively recycle RBE and give it back to the AC grid. However, the lack of damp and inertia of generators makes conventional PWM RBE feedback system more sensitive to power fluctuations. To address this issue, a synchronverter-based RBE feedback system of urban rail transit is designed in this paper. First, the structure of the feedback system is presented. Then, the synchronverter-based control strategy with greater flexibility and higher stability is fully discussed. Furthermore, the parameter design of the system is analyzed in detail. Finally, simulation results and experimental results are provided to show the good dynamic performance of the system. Using this synchronverter-based approach, the system supplies traction power to the traction network when the train accelerates and gives the RBE back to the AC grid when the train brakes, in light of the variation of the DC bus voltage. Moreover, the system can be self-synchronized with the AC grid and make corresponding power management on the basis of changes in the voltage amplitude as well as the frequency of the grid. In this sense, the RBE feedback system becomes more flexible, effective and robust.

ACS Style

Shuting Li; Songrong Wu; Shiqiang Xiang; Yabo Zhang; Josep M. Guerrero; Juan C. Vasquez. Research on Synchronverter-Based Regenerative Braking Energy Feedback System of Urban Rail Transit. Energies 2020, 13, 4418 .

AMA Style

Shuting Li, Songrong Wu, Shiqiang Xiang, Yabo Zhang, Josep M. Guerrero, Juan C. Vasquez. Research on Synchronverter-Based Regenerative Braking Energy Feedback System of Urban Rail Transit. Energies. 2020; 13 (17):4418.

Chicago/Turabian Style

Shuting Li; Songrong Wu; Shiqiang Xiang; Yabo Zhang; Josep M. Guerrero; Juan C. Vasquez. 2020. "Research on Synchronverter-Based Regenerative Braking Energy Feedback System of Urban Rail Transit." Energies 13, no. 17: 4418.