Cooperative Control of Wind-Hydrogen-SMES Hybrid Systems for Fault-Ride-Through Improvement and Power Smoothing

Chunjun Huang, Yi Zong*, Shi You, Chresten Traholt, Zixuan Zheng, Qi Xie

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Green hydrogen produced from wind power has a significant potential value for the fossil-free green energy transition. However, a grid-connected wind-hydrogen hybrid system is sensitive to grid fault and wind variation disturbances which probably cause the disconnection of wind turbine (WT) system thereby deteriorating the safe operation of power grid. To solve this problem, this paper firstly presents a feasible setup of wind-hydrogen-superconducting magnet energy storage (SMES) hybrid system. Then a cooperative control strategy is proposed to protect the grid-connection of this system from the disturbances for the system reliability and power quality. In this method, the flexibility of alkaline electrolyzer and SMES on providing fault-ride through (FRT) and power-smoothing are exploited. Moreover, based on two cooperative mechanisms with the coordination of SMES and electrolyzer, this method offers a cost-effective FRT solution with a capital cost reduction of SMES, and an effective power smoothing approach for the fluctuated wind power. Based on case studies the feasibility and superiority of the presented control method are demonstrated.

Original languageEnglish
Article number9511156
JournalIEEE Transactions on Applied Superconductivity
Volume31
Issue number8
Number of pages7
ISSN1051-8223
DOIs
Publication statusPublished - Nov 2021

Bibliographical note

Funding Information:
This work was supported by IECC (No.8087-00019B) and PRESS (No. 8073-00026B) projects granted by the Danish Innovation Funding and the Danish Agency for Science & Higher Education. The work of Chunjun Huang was jointly supported by the China Scholarship Council and Technical University of Denmark. (Corresponding author: Yi Zong.)

Funding Information:
Manuscript received April 21, 2021; revised May 30, 2021, June 20, 2021, June 28, 2021, and July 6, 2021; accepted July 8, 2021. Date of publication August 10, 2021; date of current version September 1, 2021. This work was supported by “IECC” (No.8087-00019B) and “PRESS” (No. 8073-00026B) projects granted by the Danish Innovation Funding and the Danish Agency for Science & Higher Education. The work of Chunjun Huang was jointly supported by the China Scholarship Council and Technical University of Denmark. (Corresponding author: Yi Zong.) Chunjun Huang, Yi Zong, Shi You, and Chresten Træholt are with the Center for Electric Power and Energy, Technical University of Denmark, Roskilde 4000, Denmark (e-mail: chunhua@elektro.dtu.dk; yizo@elektro.dtu.dk).

Publisher Copyright:
© 2002-2011 IEEE.

Keywords

  • Alkaline electrolyzer
  • Fault-ride through capability
  • Superconducting magnetic energy system
  • Wind power fluctuation

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