Results 91 to 100 of about 2,064 (185)

How many grid-forming converters do we need? a perspective from small signal stability and power grid strength [PDF]

© 2024 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Chen, Xia, Huang, Linbin, Liu, Chenxi, Prieto Araujo, Eduardo, Wang, Yuxuan, Xin, Huanhai   +5 more
core   +1 more source

An optimization method for capacity allocation of GFL and GFM converters considering equivalent impedance at point of common coupling

Zhejiang dianli
In hybrid wind farms with both grid-following （GFL） and grid-forming （GFM） converters， their capacity allocation significantly impacts the overall stability of the wind farm.
WANG Xinyi, LI Xiaolu, LIU Jinsong, LIN Shunfu   +3 more
doaj   +1 more source

Large-eddy simulation of mixing in a recirculating shear flow [PDF]

, 2010
The flow field and mixing in an expansion-ramp geometry is studied using large-eddy simulation (LES) with subgrid scale (SGS) modelling. The expansion-ramp geometry was developed to investigate enhanced mixing and flameholding characteristics while ...
Bonanos, Aristides, Dimotakis, Paul E., Matheou, Georgios, Pantano, Carlos   +3 more
core  

Grid Forming Inverter as an Advanced Smart Inverter for Augmented Ancillary Services in a Low Inertia and a Weak Grid System Towards Grid Modernization

Clean Technologies
Grid dynamics and control mechanisms have improved as smart grids have used more inverter-based renewable energy resources (IBRs). Modern converter technologies try to improve converters’ capacities to compensate for grid assistance, but their inertia ...
Shriram S. Rangarajan, E. Randolph Collins, Tomonobu Senjyu   +2 more
doaj   +1 more source

Control-mode as a Grid Service in Software-defined Power Grids: GFL vs GFM

, 2023
In power systems with high penetration of power electronics, grid-forming control is proposed to replace traditional Grid-Following Converter (GFL) in order to improve the overall system strength and resist small-signal instability in weak grids by ...
Chu, Zhongda, Cui, Guoxuan, Teng, Fei
core  

Impact of Synchronous Condensers on Small-Signal Stability of Offshore Wind Power Plants

IEEE Access
Grid-forming (GFM) converter control technology and synchronous condensers (SCs) have both been reported to improve the overall stability of a power system.
Sulav Ghimire, Kanakesh Vatta Kkuni, Emerson D. Guest, Kim H. Jensen, Guangya Yang   +4 more
doaj   +1 more source

Strategic intentional islanding method considering temporary overvoltage in disaster situations

International Journal of Electrical Power & Energy Systems
Under disaster conditions, an intentional islanding operation in distribution systems is required to enhance resilience. This paper proposes a strategic islanding operation utilizing grid-forming (GFM) inverter-based distributed generation (DG) within a ...
Myungseok Yoon, Xuehan Zhang, Sungyun Choi   +2 more
doaj   +1 more source

Dynamic Response of Droop-Controlled Grid-Forming Inverters Under Varying Grid Impedances for Enhanced Stability in Microgrids

Applied Sciences
The fast-growing integration of renewable energy sources into the utility grids jeopardizes the system’s performance and stability at risk. Particularly, the increasing tendency of power electronics converters in the current renewables-based power ...
Mohib Ullah, Yajuan Guan, Manuel A. Barrios, Juan C. Vasquez, Josep M. Guerrero   +4 more
doaj   +1 more source

Synchronization in electric power networks with inherent heterogeneity up to 100% inverter-based renewable generation. [PDF]

Nat Commun, 2022
Sajadi A, Kenyon RW, Hodge BM.
europepmc   +1 more source

Stability analysis and seamless mode transition for a hybrid battery formation and grading testing system

International Journal of Electrical Power & Energy Systems
The battery formation and grading testing system (BFGTS) is core equipment for battery activation, performance testing, and grading process. The grid-forming (GFM) inverters emerge as the promising solution for BFGTS to address instability issues induced
Di Xie, Longyun Kang, Jigang Yao, Liangliang Wang, Xiangzhen Yang, Zhipeng Yu, Pengpeng Zhou   +6 more
doaj   +1 more source