Results 11 to 20 of about 11,492 (301)

Stability analysis of grid-following converter considering DC side dynamics

open access: yes电力工程技术
DC side dynamics are ignored in most of the research on grid-connected converter, which is dealt as a constant voltage source. In this case, the analysis result of small-signal stability is affected to some extent.
ZHAO Yujing   +3 more
doaj   +2 more sources

A Comparative Study of Grid-Following and Grid-Forming Control Schemes in Power Electronic-Based Power Systems [PDF]

open access: yesPower Electronics and Drives, 2023
Along with de-carbonisation, the penetration of power electronic converters has increased, and the power system has become a power electronic-based power system. In such a situation, the stability of the power system faces great challenges.
Gao Xian   +3 more
doaj   +2 more sources

Grid–Following DVI–Based Converter Operating in Weak Grids for Enhancing Frequency Stability [PDF]

open access: yesIEEE Transactions on Power Delivery, 2022
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 ...
Saeedian, Meysam   +5 more
openaire   +5 more sources

Dynamic Interaction and Stability Analysis of Grid-following Converter Integrated Into Weak Grid

open access: yesCSEE Journal of Power and Energy Systems
The grid-connected converter with grid-following control (GCC-GFL) for renewable energy sources has a risk of instability when integrated into the weak grid. This paper aims to investigate the dynamic interactions and stability characteristics of the GCC-
Shuang Li   +5 more
doaj   +2 more sources

Stability Analysis of Grid-Following and Grid-Forming Converters Based on State-Space Modelling [PDF]

open access: yesIEEE 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   +3 more
openaire   +3 more sources

General Impedance Modeling for Modular Multilevel Converter with Grid-forming and Grid-following Control

open access: yesCoRR
Modular multilevel converter (MMC) has complex topology, control architecture and broadband harmonic spectrum. For this, linear-time-periodic (LTP) theory, covering multi-harmonic coupling relations, has been adopted for MMC impedance modeling recently.
Chu Sun   +4 more
openaire   +3 more sources

Synchronization Stability Enhancement of Grid-Following Converter Under Inductive Power Grid [PDF]

open access: yes, 2023
The loss of synchronization (LOS) is a main issue for dynamic behavior of grid-following converter (GFC) under inductive power grid. This letter reveals the underlying mechanism of insufficient damping or even negative damping during grid disturbance ...
Zhao, Chen   +13 more
core   +1 more source

Modeling of Converter Synchronization Stability Under Grid Faults:The General Case [PDF]

open access: yes, 2022
The synchronization dynamics of grid-connected power converters are known to have a tremendous impact on transient stability and fault ride-through performance under grid faults. Up till now, the modeling of converter synchronization stability, which has
Taul, Mads Graungaard; id_orcid   +4 more
core   +1 more source

Power Oscillation Analysis of PMSG Wind Power Generation System Considering Power Control Nonlinearity

open access: yesFrontiers in Energy Research, 2022
High proportion of renewable energy generation, especially wind power generation, has changed the dynamic behavior of power systems and leads to emerging stability issues such as oscillation accidents.
Jianing Liu   +4 more
doaj   +1 more source

Analysis of X/R Ratio Effect on Stability of Grid-Following and Grid-Forming Converters [PDF]

open access: yes, 2023
The power system is undergoing significant changes with the increasing integration of renewable energy sources, such as wind and solar. The high penetration of these renewable energy sources has posed new challenges on the stability of the power grid. In
Anvari-Moghaddam, Amjad; id_orcid   +3 more
core   +1 more source

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