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Subsynchronous Control Interaction: Real-World Events and Practical Impedance Reshaping Controls
IET Conference Proceedings, 2021 X. Xie, W. Liu, J. Shair, C. Dai, X. Liu
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2024 IEEE Applied Power Electronics Conference and Exposition (APEC)
Grid Forming converters (GFM), based on virtual synchronous machine, Synchronverter, and droop-based control, provide an inductive impedance behaviour at the Point of Common Coupling (PCC). A controller has very limited capability to shape this inductive
Chirag Ramgopal Shah +3 more
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Grid Forming converters (GFM), based on virtual synchronous machine, Synchronverter, and droop-based control, provide an inductive impedance behaviour at the Point of Common Coupling (PCC). A controller has very limited capability to shape this inductive
Chirag Ramgopal Shah +3 more
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2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)The grid-following control strategy based on phase-locked loops (PLL) is widely used in doubly-fed induction generator (DFIG) systems. However, the PLL will lead to frequency coupling as well as negative resistance characteristics, which may worsen the ...
Bochen Luo +3 more
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Oscillation Mitigation Based on Impedance Reshaping of MMC-HVDC
, 2023 Weisheng Wang, Guanghui Li, Guoqing He
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Robust Impedance Reshaping of Multiple Ongrid Inverters regarding Variable Grid Conditions
2021 IEEE 16th Conference on Industrial Electronics and Applications (ICIEA), 2021To avoid the cost of extra high-precision sensing circuit, single injected current feedback control scheme has been developed to complete both current regulation and active damping control of LCL-type filter-based grid-connected inverter. However, traditional single current feedback control method is sensitive to the variation of grid impedance.
Xiaolei Yang +7 more
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New impedance reshaping algorithm for grid-connected DGs
2016 IEEE Power and Energy Society General Meeting (PESGM), 2016This paper proposes a new control algorithm for optimally reshaping distributed generation (DG) output impedance so that the system damping and bandwidth are maximized. Such impedance reshaping is essential for managing variations in grid impedance and changes in DG operating conditions. The proposed control algorithm involves two design stages. First,
Maher A. Azzouz, Ehab F. El Saadany
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IEEE Transactions on Smart Grid, 2018
Stability of inverter-based distributed generation units (DGs) is highly dependent on the grid impedance. This paper proposes an adaptive control algorithm for optimally reshaping DG output impedance so that the system dynamic performance is improved.
Maher Abdelkhalek Azzouz +1 more
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Stability of inverter-based distributed generation units (DGs) is highly dependent on the grid impedance. This paper proposes an adaptive control algorithm for optimally reshaping DG output impedance so that the system dynamic performance is improved.
Maher Abdelkhalek Azzouz +1 more
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Impedance reshaping strategy of PMSG-based wind power generation system with weak grid
IET Conference Proceedings, 2023 S. An +5 more
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IEEE transactions on power electronics
The vector current control scheme based on the phase-locked loop (PLL) is widely used in grid-connected voltage-source converters (VSCs). However, the power transfer capability of the VSC will first be limited by dynamic power limitation (DPL) and then ...
Xiaoling Xiong, Bochen Luo
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The vector current control scheme based on the phase-locked loop (PLL) is widely used in grid-connected voltage-source converters (VSCs). However, the power transfer capability of the VSC will first be limited by dynamic power limitation (DPL) and then ...
Xiaoling Xiong, Bochen Luo
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