Fu, Lin, Zhu, Chonghao, Chen, Xiaoyuan, Wei, Hongwei, Ding, Yi, Kang, Shuang  ORCID: https://orcid.org/0009-0005-5101-4837, Chen, Yu, Chen, Zhihao, Bao, Siyuan, Yue, Jinxin, Gan, Wei, Zhou, Yue ORCID: https://orcid.org/0000-0002-6698-4714 and Shen, Boyang
2026.
A novel energy management strategy of hydrogen-SMES hybrid storage for high-speed railway traction power system.
Energy
360
, 141289.
10.1016/j.energy.2026.141289
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Abstract
Hydrogen storage enables long-duration energy storage, while superconducting magnetic energy storage (SMES) can rapidly smooth power fluctuations. A hybrid energy storage system (HESS) combining both is highly suitable for enhancing the reliability and stability of the high-speed railway (HSR) traction power supply system (TPSS). A novel energy management strategy of HESS for HSR TPSS was proposed. Firstly, the representative daily power curves were extracted by a clustering method, and an improved moving average filter and amplitude limiting filter (IMAF-ALF) algorithm was employed to limit the change rate of net power. Then, the remaining fluctuating power was adaptively decomposed by adaptive variational mode decomposition (VMD), which assigned the high-frequency components to SMES and the low-frequency components to hydrogen storage. In addition, a mixed integer linear programming model was developed to optimize capacity allocation, minimizing annual system cost while satisfying power and energy constraints. Results showed that the proposed energy management strategy can effectively mitigate the intermittency and volatility introduced by grid-connected renewable energy generation, suppress traction load surges, reduce system losses and investment costs.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Engineering |
| Additional Information: | RRS policy applied. License information from Publisher: LICENSE 1: Title: This article is under embargo with an end date yet to be finalised. |
| Publisher: | Elsevier |
| ISSN: | 0360-5442 |
| Date of First Compliant Deposit: | 10 June 2026 |
| Date of Acceptance: | 4 May 2026 |
| Last Modified: | 10 Jun 2026 10:15 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/187015 |
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