Shiqi Zhang
Green Hydrogen · Power Electronics · Low-Carbon Energy Systems
Shiqi Zhang (章仕起)
Postdoctoral Research Fellow · KTH Royal Institute of Technology

Modeling, control, and reliability-oriented operation of renewable-integrated hydrogen energy systems under converter-dominated grids.

Electrolyzer Supplies Low-Ripple Converters Weak-Grid Stability Hydrogen Microgrids

About

I am currently a Postdoctoral Research Fellow at KTH Royal Institute of Technology, Sweden. My research focuses on the modeling, operation, and control of renewable-integrated low-carbon power systems, with particular interests in hydrogen-integrated energy systems, power-electronics-based energy conversion, system stability under weak and converter-dominated grids, and reliability-oriented operation and control.

Interests

  • Electrolyzer Power Electronics & Low-Ripple Converters Low-RippleHigh Step-DownHigh Power DensityElectrolyzer Supply
  • Multi-port DC-DC Converter Topologies for PV/Wind-to-Hydrogen TABDABBuck/BoostMulti-port
  • Impedance Modeling & Stability in Weak/Converter-Dominated Grids ImpedanceStabilityWeak GridPLL
  • Reliability-Aware Control, Fault Diagnosis & Fault-Tolerant Operation ReliabilityFDDFault-TolerantProtection
  • Optimization & DRL-based Energy Management for Hydrogen Microgrids DRLEMSSchedulingMicrogrid

Education

Yanshan University Ph.D. in Electrical Engineering, 2022 - 2026 · Qinhuangdao, China Advisor: Prof. Xiaoqiang Guo
Curtin University M.Eng. in Emerging Power Systems, Jul. 2020 - Aug. 2022 · Perth, Australia Advisor: Prof. Ahmed Abu-Siada
Shenyang Agricultural University B.Eng. in Electrical Engineering and Automation, Sep. 2016 - Jun. 2020 · Shenyang, China

Selected Research & Industrial Projects

Publications

[1]
S. Zhang, Y. Teng, H. Kong, N. Wang, Y. Liu, X. Guo, and C. Hua, “An industrial overview of variable-frequency drives for hydrogen compressors in hydrogen transportation,” Renew. Sustain. Energy Rev., vol. 223, 116009, 2025.
[2]
S. Zhang, Z. Jiao, J. Su, N. Wang, Z. Li, X. Guo, and C. Hua, “Low-ripple modulation strategy for a photovoltaic-based triple-port hydrogen production system,” IEEE Trans. Ind. Electron., Early Access, 2025.
[3]
S. Zhang, Y. Teng, Y. Sun, F. Ding, N. Wang, X. Guo, and C. Hua, “Fault diagnosis and fault-tolerant operation strategy for triple-port hydrogen production system,” IEEE Trans. Power Electron., vol. 40, no. 8, pp. 11526–11536, 2025.
[4]
S. Zhang, Y. Wei, X. Guo, Z. Li, X. Song, and F. Blaabjerg, “Overview of US patents for energy management of renewable energy systems with hydrogen,” Int. J. Hydrogen Energy, vol. 48, no. 26, pp. 9574–9591, 2023.
[5]
X. Guo, S. Zhang (Corresponding Author), F. Ding, J. Zhu, and H. Bai, “A novel DC–DC converter for electrolyzer with low ripple and high step down,” IEEE Trans. Ind. Electron., vol. 71, no. 10, pp. 12476–12486, 2024.
[6]
X. Guo, S. Zhang (Corresponding Author), Z. Yan, Y. Wei, and X. Hu, “A novel phase-locked loop structure to enhance converter stability in weak grids,” IEEE Trans. Power Electron., vol. 38, no. 11, pp. 13855–13865, 2023.
[7]
X. Guo, S. Zhang, Z. Liu, L. Sun, Z. Lu, C. Hua, and J. Guerrero, “A new multi-mode fault-tolerant operation control strategy of multiphase stacked interleaved Buck converter for green hydrogen production,” Int. J. Hydrogen Energy, vol. 47, no. 71, pp. 30359–30370, 2022.
[8]
X. Guo, S. Zhang (Corresponding Author), Y. Gao, Y. Teng, N. Diao, C. Hua, and V. Terzija, “Advancements in photovoltaic electrolysis for green hydrogen production: A comprehensive review and comparative analysis of modeling approaches,” IEEE Trans. Power Electron., vol. 40, no. 7, pp. 10000–10026, 2025.
[9]
W. Fang, Y. Teng, S. Zhang (Corresponding Author), H. Kong, H. Wang, and X. Guo, “Impedance modeling and stability analysis of electrolysis system for hydrogen production under weak grid,” Fuel, vol. 374, 132403, 2024.
[10]
X. Guo, F. Ding, S. Zhang (Corresponding Author), Y. Teng, N. Diao, and V. Terzija, “Enhanced green hydrogen production using a novel converter with extremely low current ripple and high step-down ratio,” Fuel, vol. 398, 135424, 2025.
[11]
X. Guo, X. Hu, and S. Zhang (Corresponding Author), “Application status of variable-frequency drive in hydrogen fuel cell air compressors from an industrial viewpoint: A review,” Sustain. Energy Technol. Assess., vol. 64, 103716, 2024.
[12]
X. Guo, H. Zhu, and S. Zhang (Corresponding Author), “Overview of electrolyser and hydrogen production power supply from industrial perspective,” Int. J. Hydrogen Energy, vol. 49, pp. 1048–1059, 2024.
[13]
A. Syed, X. Guo, S. Zhang, H. Wang, and C. Hua, “Application of low-ripple modulation technique in photovoltaic triple-port hydrogen production system,” 2023 10th International Conference on Power and Energy Systems Engineering (CPESE), pp. 1–6, 2023.
[14]
M. Chandoo, N. N. Duc, X. Guo, S. Zhang, C. Hua, and S. K. Saha, “Deterministic and stochastic energy management and techno-economic analysis of a PV-driven electrolyser system,” Applied Energy, vol. 406, 127300, 2025.
[15]
X. Guo, X. Hu, and S. Zhang, “Advancements in photovoltaic electrolysis for green hydrogen production: a comprehensive review and comparative analysis of modelling approaches,” IEEE Transactions on Power Electronics, 2025.
[16]
F. Ding, X. Guo, S. Zhang, Y. Teng, N. Diao, C. Hua, and V. Terzija, “Improved predictive current control for photovoltaic electrolysis system with reduced current ripple and enhanced transient response,” Fuel, vol. 398, 135424, 2025.
[17]
S. Zhang, Y. Teng, H. Kong, N. Wang, Y. Liu, X. Guo, and C. Hua, “An industrial overview of variable-frequency drives for hydrogen compressors in hydrogen transportation,” Renewable and Sustainable Energy Reviews, vol. 223, 116009, 2025.
[18]
S. Zhang, X. Guo, Z. Liu, L. Sun, Z. Lu, C. Hua, and J. M. Guerrero, “A new multi-mode fault-tolerant operation control strategy of multiphase stacked interleaved buck converter for green hydrogen production,” International Journal of Hydrogen Energy, vol. 47, no. 71, pp. 30359–30370, 2022.
[19]
M. Chandoo, N. N. Duc, X. Guo, S. Zhang, and C. Hua, “Robust energy management strategy for a solar photovoltaic based electrolyser system with battery storage,” 2024 4th International Conference on Emerging Trends in Electrical, Control, and Telecommunication Engineering (ETECTE), pp. 1–5, 2024.
[20]
H. Wang, X. Guo, S. Zhang, Y. Teng, and C. Hua, “Impacts of gut microbiota on thyroid cancer pathogenesis,” Reviews in Endocrine and Metabolic Disorders, vol. 25, no. 1, pp. 183–204, 2024.
[21]
X. Guo, Y. Teng, S. Zhang, N. Wang, and C. Hua, “Fault diagnosis and fault-tolerant operation strategy for triple-port hydrogen production system,” 2025 IEEE Applied Power Electronics Conference and Exposition (APEC), pp. 1月5日, 2025.
[22]
A. Syed, X. Guo, S. Zhang, H. Wang, and C. Hua, “Performance evaluation of clustering-based temperature and voltage prediction methods in a triple-port photovoltaic-hydrogen production system,” 2024 International Conference on Image Processing and Computer Applications (ICIPCA), pp. 1–6, 2024.

Patents / 专利

Selected Honors & Awards

  • National Gold Award, China International College Students’ Innovation Competition (“Internet+”), 7th & 8th Editions.
  • Silver Medal, 49th International Exhibition of Inventions of Geneva.
  • Runner-up (National), 11th China Graduate Energy Equipment Innovation Design Competition.
  • First Prize (National), 9th China Graduate Energy Equipment Innovation Design Competition.
  • First Prize (National), 12th “Mitsubishi Electric Cup” National Competition of Electrical Engineering & Automation.
  • Second Prize (National Finals), 10th National Optoelectronic Design Competition.
  • National Role Model of Graduate Party Members (Top 100), 3rd Cohort.
  • China Self-strengthening Star (中国大学生自强之星).
  • China Telecom Scholarship · Tianyi Award (Top 98 nationwide).
  • Hebei “Youth Star” Model (冀青之星标兵), 2023; Hebei “Youth Star” (冀青之星), 2021.
  • Outstanding Student Leader, Hebei Province; Outstanding Graduate, Liaoning Province.
  • National Scholarship for three years.

Engagement Highlights

Academic Service

Conference Reviewer
IEEE Applied Power Electronics Conference and Exposition (APEC)
IEEE Energy Conversion Congress and Exposition (ECCE)
Journal Reviewer
Nature Communications
IEEE Transactions on Power Electronics (TPEL)
Energy
Energy Conversion and Management (ECM)
Fuel
IEEE Journal of Emerging and Selected Topics in Power Electronics (JESTPE)
International Journal of Hydrogen Energy (IJHE)
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