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Fault Ride-through Control of Grid-forming Converter in Different Fault States
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Jun TAO1, Ming ZHONG1, Minfu A1, Hongyi SUN2, Rui MO3
Journal of Power Supply | 2024, 22(4) : 173 - 181
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Journal of Power Supply | 2024, 22(4): 173-181
Renewable Energy System
Fault Ride-through Control of Grid-forming Converter in Different Fault States
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Jun TAO1, Ming ZHONG1, Minfu A1, Hongyi SUN2, Rui MO3
Affiliations
  • 1 Inner Mongolia Electric Power Research Institute Hohhot 010020 China
  • 2 Wuhan Kemo Electric Co., Ltd Wuhan 430074 China
  • 3 School of Electrical Engineering, Guangxi University Nanning 530004 China
Published: 2024-07-30 doi: 10.13234/j.issn.2095-2805.2024.4.173
Outline
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The grid-forming(GFM) converter is one of the main components of high-permeability power electronic equipment, and its fault ride-through(FRT) capability is an important basis for ensuring the stable operation of a power system with a high degree of power electronics. On this basis, an FRT strategy for GFM converter is proposed, which not only considers the hardware constraints(i.e., current constraints) of the converter, but also can keep it running in protected mode under symmetric and asymmetric faults. First, the FRT-related problem of the GFM converter is analyzed in detail. Then, an appropriate FRT model and the corresponding control method are established. Finally, the effectiveness of the proposed method was verified by power-hardware-in-the-loop simulation and experiment. Results show that compared with a grid-following converter, the proposed control method can guarantee the instantaneous injection of reactive current when the GFM converter fails to prevent the overcurrent problem, and the GFM converter can still operate fault-tolerant under serious fault conditions.

Grid-forming(GFM) converter  /  current constraint  /  fault ride-through(FRT)  /  hardware-in-the-loop
Jun TAO, Ming ZHONG, Minfu A, Hongyi SUN, Rui MO. Fault Ride-through Control of Grid-forming Converter in Different Fault States[J]. Journal of Power Supply, 2024 , 22 (4) : 173 -181 . DOI: 10.13234/j.issn.2095-2805.2024.4.173
  • Science and Technology Research Project of Inner Mongolia Autonomous Region(2019GG373)
Year 2024 volume 22 Issue 4
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.4.173
  • Receive Date:2021-12-13
  • Online Date:2025-07-21
  • Published:2024-07-30
Article Data
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History
  • Received:2021-12-13
  • Revised:2022-05-05
  • Accepted:2022-05-24
Funding
Science and Technology Research Project of Inner Mongolia Autonomous Region(2019GG373)
Affiliations
    1 Inner Mongolia Electric Power Research Institute Hohhot 010020 China
    2 Wuhan Kemo Electric Co., Ltd Wuhan 430074 China
    3 School of Electrical Engineering, Guangxi University Nanning 530004 China
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表12种不同金属材料的力学参数

Family
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
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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