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Research on rotor stability control during low-voltage traversal of doubly fed machine variable speed phase modulation system
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Jubin He1, Bochao Zhao1, Weiyao Yu2, Zhenhao Zhang1, Fang Yao2
Renewable Energy Resources | 2024, 42(7) : 979 - 985
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Renewable Energy Resources | 2024, 42(7): 979-985
Research on rotor stability control during low-voltage traversal of doubly fed machine variable speed phase modulation system
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Jubin He1, Bochao Zhao1, Weiyao Yu2, Zhenhao Zhang1, Fang Yao2
Affiliations
  • 1 State Grid Jibei Zhangjiakou Wind and Solar Energy Storage and Transportation New Energy Co., Ltd. Zhangjiakou 075000 China
  • 2 School of Electrical Engineering, State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of Technology Tianjin 300401 China
Published: 2024-07-20
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The doubly fed induction generator, operating in electric mode, has a certain inertia supporting capacity to the power grid, but the supporting capacity is limited, and the rotor is out of control during the lowvoltage crossing of the power grid. In this paper, a kind of rotor stability control technology is proposed when voltage sags in power system. Firstly, a flywheel is attached to the rotor shaft of a doubly fed fan to increase the inertia of the system and stabilize the speed of the rotor. Secondly, voltage compensation is used to reduce the back electromotive force of the rotor side and stabilize the rotor current when the voltage of the power grid falls, the simulation model of the system is built in MATLAB/Simulink platform, and the results show that the antimutation ability of the rotor speed of the doublyfed fan is improved by 20% by adopting the rotor stability control technology, the rotor current drop value is reduced by 45%, which verifies the validity and reliability of the proposed rotor stability control technique.

DFIG  /  low voltage ride through  /  rotor speed  /  rotor current
Jubin He, Bochao Zhao, Weiyao Yu, Zhenhao Zhang, Fang Yao. Research on rotor stability control during low-voltage traversal of doubly fed machine variable speed phase modulation system[J]. Renewable Energy Resources, 2024 , 42 (7) : 979 -985 .
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Year 2024 volume 42 Issue 7
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Article Info
  • Receive Date：2022-10-20
  • Online Date：2025-07-22
  • Published：2024-07-20
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  • Received：2022-10-20
Funding
Affiliations
    1 State Grid Jibei Zhangjiakou Wind and Solar Energy Storage and Transportation New Energy Co., Ltd. Zhangjiakou 075000 China
    2 School of Electrical Engineering, State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of Technology Tianjin 300401 China
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表12种不同金属材料的力学参数
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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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