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Transient Synchronization Stability of Grid-Forming Converter During Grid Fault Considering Transient Switched Operation Mode

IEEE Transactions on Sustainable Energy, 2023
With the increasing penetration of renewable energy generation, grid-forming (GFM) converters that simulate the dynamics of synchronous generator (SG) and actively participate in grid voltage and frequency regulation are increasingly employed.
Guangyu Wang   +4 more
semanticscholar   +1 more source

Quantitative Parameters Design of VSG Oriented to Transient Synchronization Stability

IEEE Transactions on Power Systems, 2023
This letter addresses the parameters design problem for converter-based virtual synchronous generators (VSGs), which is crucial for stable operation. Existing methods only consider performance optimization based on the small-signal model or qualitative ...
Shimiao Chen   +5 more
semanticscholar   +1 more source

Constant-Coupling-Effect-Based PLL for Synchronization Stability Enhancement of Grid-Connected Converter Under Weak Grids

IEEE transactions on industrial electronics (1982. Print), 2023
The phase-locked loop (PLL)-caused couplings on the grid-connected converter (GCC) are strengthened by increasing its bandwidth and then incur synchronization instability.
X. Lin, Ruoxue Yu, Jingrong Yu, H. Wen
semanticscholar   +1 more source

Small-Signal Synchronization Stability of Grid-Forming Converters With Regulated DC-Link Dynamics

IEEE transactions on industrial electronics (1982. Print), 2023
The dc-link voltage dynamics can be directly used to synchronize grid-forming (GFM) converters with ac grids. However, such control scheme is prone to unstable low-frequency oscillations (LFO), owing to the constant-power dynamics at the dc link.
Liang Zhao, Zheming Jin, Xiongfei Wang
semanticscholar   +1 more source

Transient Synchronization Stability of an Islanded AC Microgrid Considering Interactions Between Grid-Forming and Grid-Following Converters

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2023
Microgrid has been rapidly developed for the integration of distributed renewable energy, owing to their superiority of flexible operation and high reliability.
Zhen Tian   +6 more
semanticscholar   +1 more source

Synchronization Stability of Grid-Following VSC Considering Interactions of Inner Current Loop and Parallel-Connected Converters

IEEE Transactions on Smart Grid, 2023
In the grid-following (GFL) voltage source converter (VSC), the synchronization process of phase-locked loop (PLL) can be seriously affected by the interactions from the inner current loop and other parallel-connected VSCs. In this paper, we focus on the
Xikun Fu   +5 more
semanticscholar   +1 more source

Reduced Order DFIG Models for PLL-Based Grid Synchronization Stability Assessment

IEEE Transactions on Power Systems, 2023
This paper presents a reduced-order modeling approach to study the grid synchronization stability of type-3 wind turbine generator (WTG) by considering the dynamics of the phase-locked loop (PLL) alone.
Upasana Buragohain, N. Senroy
semanticscholar   +1 more source

STABILITY OF MULTICLUSTER SYNCHRONIZATION

International Journal of Bifurcation and Chaos, 2009
A system of many coupled oscillators on a network can show multicluster synchronization. We obtain existence conditions and stability bounds for such a multicluster synchronization. When the oscillators are identical, we obtain the interesting result that network structure alone can cause multicluster synchronization to emerge even when all the other ...
Amritkar, R. E., Rangarajan, Govindan
openaire   +1 more source

On the Impact of the Grid on the Synchronization Stability of Grid-Following Converters

IEEE Transactions on Power Systems, 2023
The research on the synchronization stability of Grid-Following Converter (GFL) is of great significance for the stable operation of inverter-based resources.
Junru Chen   +3 more
semanticscholar   +1 more source

Transient Synchronization Stability of Grid-Following Converters Considering Nonideal Current Loop

IEEE transactions on power electronics, 2023
The widely deployed grid-following converters (GFLCs) may lose synchronization under grid disturbances, presenting a critical challenge to the power electronics penetrated power grid.
Chao Charles Liu   +3 more
semanticscholar   +1 more source

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