Results 11 to 20 of about 98,717 (327)

A Robust Phase-Lock-Loop for Grid-Following Converters

2024 IEEE 15th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
This work was supported by the National Natural Science Foundation of China under Grant 62173148 and 52377186.
Gengning Ying, Jun Zeng, Jie Song, Ni Liu, Minhai Wu, Eduardo Prieto‐Araujo, Junfeng Liu   +6 more
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Transient Stability Enhancement with High Shares of Grid-Following Converters in a 100% Converter Grid

2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe), 2020
With increasing shares of power electronics-based generation in power grids, grid-following converters may become unstable during faults, resulting from a loss of phase-locked loop (PLL) synchronism. Even when current grid code low voltage ride through (LVRT) requirements are met, PLLs may still become unstable under high shares of grid-following ...
Xianxian Zhao, Damian Flynn
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Grid–Following DVI–Based Converter Operating in Weak Grids for Enhancing Frequency Stability [PDF]

IEEE Transactions on Power Delivery, 2021
Inertia requirement is the paramount challenge in future power systems with a significant share of renewable energy generators. A promising solution to this issue is applying Distributed Virtual Inertia (DVI) concept, i.e. releasing energy preserved in the dc-link capacitors of employed power converters in the grid following a frequency disturbance ...
Meysam Saeedian, Reza Sangrody, Mahdi Shahparasti, Shamsodin Taheri, Edris Pouresmaeil   +4 more
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Control of grid-following converter-interfaced resources for improved transient stability of power systems

International Journal of Electrical Power & Energy Systems
Power-electronic converters are increasingly utilized to integrate renewable and distributed energy resources (DERs) with conventional power grids.
Arash Safavizadeh, Seyyedmilad Ebrahimi, Juri Jatskevich   +2 more
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Slow-Interaction Converter-Driven Stability in the Distribution Grid: Small-Signal Stability Analysis With Grid-Following and Grid-Forming Inverters

IEEE Transactions on Power Systems, 2023
Inverter-based resources (IBRs) are changing the dynamics of medium-voltage distribution grids (MVDGs), leading to concerns over slow-interaction converter-driven stability (SICDS).
Arshpreet Singh, Vincent Debusschere, Nourédine Hadjsaïd, Xavier Legrand, B. Bouzigon   +4 more
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Dynamic modelling and equilibrium manifold of multi‐converter systems: A study on grid‐forming and grid‐following converters in renewable energy power plants [PDF]

IET Renewable Power Generation
This study explores the optimal balance between grid‐forming (GFM) and grid‐following (GFL) converter capacities within power stations to ensure stable operations.
Ziqian Zhang, Robert Schuerhuber, Lothar Fickert, Guochu Chen   +3 more
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Stability Analysis of Grid-Following and Grid-Forming Converters Based on State-Space Modelling

IEEE Transactions on Industry Applications, 2022
This article conducts a comprehensive analysis and comparison of the control loops of the grid-following and grid-forming voltage source converters connected to the power grid. Eigenvalue trajectories are studied in order to obtain an accurate stability analysis.
Xian Gao, Dao Zhou, Amjad Anvari-Moghaddam, Frede Blaabjerg   +3 more
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Analysis of transient characteristics and fault ride-through control of hybrid grid-tied converters with grid-following and grid-forming

Frontiers in Energy Research
When the Grid-Following (GFL) and the Grid-Forming (GFM) converters are hybrid-connected to the grid, they are coupled through the grid impedance. During grid faults, the transient characteristics of the two converters become more complex due to this ...
Baoyu Zhai, Shuchao Liang, Zhi Xu, Fengyi Deng, Junru Chen, Haiyang Wu   +5 more
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Passivity-Based Optimal State-Feedback Control for LCL-Filtered Grid-Following Converter

IEEE transactions on power electronics
As the grid incorporates more voltage-source converters (VSCs), the stability issues arising from VSC-grid interactions escalate. While passivity theory offers a promising solution, existing passivity-based controller designs primarily rely on heuristic ...
Chao Gao, Shan He, Peiji Song, Pooya Davari, Ka Nang Leung, Poh Chiang Loh, Frede Blaabjerg   +6 more
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Transient stability analysis for grid following converters in low-inertia power systems by direct method [PDF]

International Journal of Electrical Power & Energy Systems
With the increased penetration of renewable energy and reduced proportion of synchronous generators, the low-inertia characteristics of today’s power system become prominent, and the transient stability issue of grid following converter (GFLC) under low ...
Fangyuan Sun, Ruisheng Diao, Ruiyuan Zeng, Zhanning Liu, Baorong Zhou, Junjie Li, Wangqianyun Tang   +6 more
doaj   +2 more sources