Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs

Yinbo Ge; Haitao Hu; Junyu Chen; Ke Wang; Zhengyou He

doi:10.17775/CSEEJPES.2021.05840

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Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs

Regular Papers | 更新时间：2026-02-06

- Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs
- Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs
- 中国电机工程学会电力与能源系统学报(英文) 2025年11卷第2期页码：623-636
- 作者机构：
  
  School of Electrical Engineering, Southwest Jiaotong University,Chengdu,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.05840
  中图分类号：
- 纸质出版：2025
- 稿件说明：
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Yinbo Ge, Haitao Hu, Junyu Chen, 等. Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs[J]. 中国电机工程学会电力与能源系统学报(英文), 2025,11(2):623-636.

Yinbo Ge, Haitao Hu, Junyu Chen, et al. Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs[J]. CSEE Journal of Power and Energy Systems, 2025, 11(2): 623-636.
Yinbo Ge, Haitao Hu, Junyu Chen, 等. Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs[J]. 中国电机工程学会电力与能源系统学报(英文), 2025,11(2):623-636. DOI： 10.17775/CSEEJPES.2021.05840.

Yinbo Ge, Haitao Hu, Junyu Chen, et al. Real-time Power Flow Control Strategy for Electric Railway FTSSs Integrated with PVs and ESSs[J]. CSEE Journal of Power and Energy Systems, 2025, 11(2): 623-636. DOI： 10.17775/CSEEJPES.2021.05840.

摘要

Abstract

Flexible traction substations (FTSSs) integrating power converters

solar photovoltaics (PVs)

and energy storage systems (ESSs) are beneficial for electric railways (ERs) evolving toward a sustainable and efficient system. However

traction load and PV generation are uncertain and fluctuating

unfavorable to efficient PV energy consumption in ERs. Thus

this paper proposes a power flow control strategy for FTSSs. First

a real-time power flow optimization method is proposed to calculate the output power references of the back-to-back converter (BTBC) and ESS. It aims for efficient regenerative braking energy and PV energy utilization and negative sequence current suppression. Then

a model predictive power control (MPPC) scheme is designed for BTBC to track output power and DC-bus voltage references quickly and accurately. It includes a revised dynamic reference generation method and a model-based double-line frequency ripple (DLFR) filter. Meanwhile

an MPPC scheme for a bidirectional DC-DC converter is designed to regulate output power of ESS

which realizes accurate power reference tracking and smooth operational mode transition. Finally

the validity of the proposed strategy is confirmed through simulations and experiments.

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