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Parallel Operation Control of Offshore Wind Power HVDC System Based on DR and VSC
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Jinye NING1, Shigang QIN2, Qian XU3, Chengju HUANG1
Journal of Power Supply | 2026, 24(1) : 262 - 270
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Journal of Power Supply | 2026, 24(1): 262-270
• Power Electronic Dominated Power Systems •
Parallel Operation Control of Offshore Wind Power HVDC System Based on DR and VSC
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Jinye NING1, Shigang QIN2, Qian XU3, Chengju HUANG1
Affiliations
  • 1.Institute of Big Data and Artificial Intelligence, Hunan Electrical College of Technology, Xiangtan 411101, China
  • 2.School of Mechanical and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
  • 3.School of Electrical and Information Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
Published: 2026-01-30 doi: 10.13234/j.issn.2095-2805.2026.1.262
Outline
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Towards the goal of a high percentage of friendly consumption of offshore wind power, a novel control method for the parallel operation of a high-voltage direct current (HVDC) transmission system based on diode rectifier (DR) and an HVDC transmission system based on voltage source converter (VSC) is proposed. Both of the two transmission lines are connected to offshore wind farms (OWFs). The VSC-HVDC controls the voltage and frequency of the offshore AC power grid, i.e., the voltage of OWFs is controlled based on the active power balance of the AC busbar of VSC-HVDC. When the injected power of OWFs exceeds the active power reference value of VSC-HVDC, the voltage of OWFs will increase, and the DR-HVDC will be activated. In this case, the offshore AC power grid transmits the required power value of OWFs through the DR-HVDC line, while the system frequency is controlled by VSC-HVDC by meeting the reactive power balance. When the power transmitted by VSC-HVDC is the same as the set value, the DR-HVDC will be automatically shut down. The significant advantage of the proposed method is that the capacity of VSC-HVDC is only used to support the normal operation of the system. Once the OWFs are put into operation, the DR-HVDC will be automatically activated. Finally, simulation results demonstrate the effectiveness and super- iority of the proposed method.

Offshore wind farm (OWF)  /  high-voltage direct current (HVDC)  /  diode rectifier unit (DRU)  /  voltage source converter (VSC)  /  frequency control  /  parallel operation control
宁金叶, 覃事刚, 徐谦, 黄成菊. 基于DR和VSC海上风电HVDC系统的并联运行控制. 电源学报, 2026 , 24 (1) : 262 -270 . DOI: 10.13234/j.issn.2095-2805.2026.1.262
Jinye NING, Shigang QIN, Qian XU, Chengju HUANG. Parallel Operation Control of Offshore Wind Power HVDC System Based on DR and VSC[J]. Journal of Power Supply, 2026 , 24 (1) : 262 -270 . DOI: 10.13234/j.issn.2095-2805.2026.1.262
Funding
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  • Natural Science Foundation of Hunan Province(2023JJ60183)
Appendix
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Year 2026 volume 24 Issue 1
43
3
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.1.262
  • Receive Date：2023-02-02
  • Online Date：2026-10-26
  • Published：2026-01-30
Article Data
Affiliations
History
  • Received：2023-02-02
  • Revised：2023-05-09
  • Accepted：2023-07-04
Funding
Natural Science Foundation of Hunan Province(2023JJ60183)
Affiliations
    1.Institute of Big Data and Artificial Intelligence, Hunan Electrical College of Technology, Xiangtan 411101, China
    2.School of Mechanical and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
    3.School of Electrical and Information Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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