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Subsynchronous Oscillation Suppression Strategy Based on Energy Storage Impedance Reshaping
2025 International Conference on Smart Grid and Sustainable Energy (SGSE)To address the issue of subsynchronous oscillations resulting from the interaction between power electronic devices and the electrical grid, it is essential to implement effective strategies, a subsynchronous oscillation suppression strategy based on ...
Zhekai Xu +3 more
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Limitations in Impedance Reshaping of Grid Forming Converters for Instability Prevention
2023 IEEE International Future Energy Electronics Conference (IFEEC), 2023Under a weak grid scenario, Grid Forming (GFM) converters have superior impedance-based small-signal stability compared to Grid Following (GFL) converters.
Chirag Ramgopal Shah +3 more
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Hybrid Impedance Reshaping Method of Grid-Connected Inverters in Weak Grid
2023 Power Electronics and Power System Conference (PEPSC), 2023Both the phase-locked loop (PLL) and the common coupling point (PCC) voltage feedforward may have impacts on the inverter system stability in weak grid. Therefore, a hybrid impedance reshaping control strategy is proposed in the paper.
Weike Zheng +3 more
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Cascaded Stabilization for ISOP-Type DC Transformers Through Impedance Reshaping Regulator
IEEE Transactions on Power ElectronicsIn dc distribution networks, dc transformers (DCTs) are susceptible to cascaded instability due to the equivalent inductance of its input power cables.
Yangfan Chen, Yu Zhang
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Inertia Emulation in Droop-Based DC Microgrids With Equivalent Converter Impedance Reshaping
IEEE Transactions on Power ElectronicsWith the high penetration of renewable energy sources, the inertia of microgrids has declined. In dc microgrids, the lack of inertia leads to bus voltage fluctuations, which may threaten system stability.
Fei Deng +4 more
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Active Damping of DC Transformer with ISOP Structure Based on Impedance Reshaping
2023 IEEE Energy Conversion Congress and Exposition (ECCE), 2023The DC transformers (DCTs) constructed by input-series-output-parallel (ISOP) structure with dual active bridge (DAB) submodules (SMs) would face the risk of instability due to the equivalent inductance of input power line, which are neglected in most ...
Yangfan Chen, Yu Zhang
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Resonance Suppression Method of the Interactive Current Based on Impedance Reshaping
2024 IEEE 7th International Electrical and Energy Conference (CIEEC)This study discusses the problem of resonance suppression for multi-inverter systems with different parameters. The complex coupling of the system can lead to different types of resonance, resulting in a decrease in stability.
Yongtao Chen +5 more
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A Systematic Impedance Reshaping Control Strategy for SPMSM as a Constant Power Load
2025 IEEE Conference on Power Electronics and Renewable Energy (CPERE)Stability in SPMSM drives under constant power loads (CPLs) is challenging due to the negative incremental impedance that destabilizes the system. Traditional control methods often rely on gain tuning through extensive Bode plot analysis or trial-and ...
Hossam Ibrahim +2 more
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Adaptive Impedance Reshaping Strategy Based on Three-phase LCL Grid-connected Converter
2024 IEEE International Conference on Energy Internet (ICEI)This article proposes an adaptive impedance reshaping strategy based on online impedance detection to provide adaptive suppression of broadband oscillation and increase the stability of grid-connected converter systems.
Qing Wang +6 more
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International Conference on Control, Robotics and Intelligent System, 2023 In this paper, a vector-fitting-based impedance reshaping method for sub-synchronous oscillation suppression in a converter-dominated system is proposed to enhance system damping. In this method, an impedance network model is first established based on a
Xianzhe Liu +4 more
semanticscholar +2 more sources