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HPFC Overvoltage Suppression Strategy Combined with Reactive Power Adaptive Regulation and A-LADRC
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Peng WU1, Penghui ZHAO1, Xincheng YUAN2, Jianhui MENG2
Journal of Power Supply | 2026, 24(7) : 232 - 242
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Journal of Power Supply | 2026, 24(7): 232-242
• Power Electronic Dominated Power Systems •
HPFC Overvoltage Suppression Strategy Combined with Reactive Power Adaptive Regulation and A-LADRC
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Peng WU1, Penghui ZHAO1, Xincheng YUAN2, Jianhui MENG2
Affiliations
  • 1.Economic and Technological Research Institute of State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050000, China
  • 2.State Key Laboratory of New Energy Power System (North China Electric Power University), Baoding 071003, China
Published: 2026-07-30 doi: 10.13234/j.issn.2095-2805.2026.7.232
Outline
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A hybrid power flow controller (HPFC) combines a phase-shifting transformer (PST) with a voltage source type converter (VSC). The combination of VSC can achieve accurate and continuous regulation of the system power flow, but there are overvoltage problems at the AC bus of the converter under different faults. First, in order to suppress the overvoltage caused by fault, a strategy of adaptive reverse transmission of reactive power to compensate voltage for different overvoltage levels is proposed, and the short-time overvoltage caused by the slow regulation speed of traditional controllers is addressed. An adaptive linear active disturbance rejection control (A-LADRC) method for adaptive adjustment of controller bandwidth parameters is designed and thereby the whole process of HPFC fault overvoltage suppression is realized. Then, the working process and overvoltage mechanism of HPFC are analyzed, the most serious scenarios of HPFC overvoltage are identified, and the related strategies and parameters are designed from the level of control methods. Finally, based on RT-LAB real-time simulator and digital signal processor (DSP) controller, a controller-level hardware-in-the-loop simulation platform is built to verify the effectiveness and superiority of the proposed HPFC overvoltage suppression strategy.

Hybrid power flow controller (HPFC)  /  adaptive adjustment  /  linear active disturbance rejection  /  overvoltage suppression
吴鹏, 赵彭辉, 袁新成, 孟建辉. 结合无功功率自适应调节和A-LADRC的HPFC过电压抑制策略. 电源学报, 2026 , 24 (7) : 232 -242 . DOI: 10.13234/j.issn.2095-2805.2026.7.232
Peng WU, Penghui ZHAO, Xincheng YUAN, Jianhui MENG. HPFC Overvoltage Suppression Strategy Combined with Reactive Power Adaptive Regulation and A-LADRC[J]. Journal of Power Supply, 2026 , 24 (7) : 232 -242 . DOI: 10.13234/j.issn.2095-2805.2026.7.232
Funding
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  • State Grid Hebei Electric Power Co., Ltd. Science and Technology(SGHEJY00SJJS2310140)
Appendix
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Year 2026 volume 24 Issue 7
27
6
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.7.232
  • Receive Date：2024-08-02
  • Online Date：2026-10-29
  • Published：2026-07-30
Article Data
Affiliations
History
  • Received：2024-08-02
  • Revised：2024-09-06
  • Accepted：2024-09-19
Funding
State Grid Hebei Electric Power Co., Ltd. Science and Technology(SGHEJY00SJJS2310140)
Affiliations
    1.Economic and Technological Research Institute of State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050000, China
    2.State Key Laboratory of New Energy Power System (North China Electric Power University), Baoding 071003, China
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