Results 31 to 40 of about 192,115 (160)

Universal Dual-Port Grid-Forming Control: Bridging the Gap Between Grid-Forming and Grid-Following Control

open access: yesIEEE Transactions on Power Systems
We analyze a dual-port grid-forming (GFM) control for power systems containing ac and dc transmission, converter-interfaced generation and energy storage, and legacy generation. To operate such a system and provide standard services, state-of-the-art control architectures i) require assigning grid-following (GFL) and GFM controls to different ...
Irina Subotić, Dominic Groß
openaire   +2 more sources

Review of transient control strategies for grid-forming converters under grid voltage sag conditions

open access: yes电力工程技术
As a large amount of renewable energy is integrated into the grid via power electronic converters,the power system is faced with challenges,such as reduced inertia,diminished disturbance resistance,and declining transient support capabilities.
Yuxuan LIN, Wei LI, Ling ZHU, Chong REN
doaj   +1 more source

Comparison Study of the Wideband Oscillation Risk of MMC between Grid-Following and Grid-Forming Control

open access: yesEnergies
Currently, research on the small-signal stability of grid-forming converters under two control modes, grid-following and grid-forming, mainly focuses on low-level converters.
Yanjun Cheng   +5 more
doaj   +1 more source

Grid-Forming Controller with Enhanced Disturbance Rejection

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics
Grid-forming (GFM) inverters, like synchronous generators (SGs), form voltage at their terminals and are considered crucial for enabling high renewable energy integration. Most GFM controllers mimic the power-synchronization characteristics of the SG rotor's swing dynamics to synchronize with the system. However, GFM inverters differ significantly from
Pranjal M. Gajare   +2 more
openaire   +1 more source

Reduced-Order Modeling and Stability Analysis of Grid-Following and Grid-Forming Hybrid Renewable Energy Plants

open access: yesEnergies
The control methods of energy systems can be categorized into grid-following and grid-forming types. The grid-following control method relies on grid synchronization and is prone to stability issues in weak grid conditions.
Yue Ma, Ning Chen, Luming Ge
doaj   +1 more source

AC-Side Impedance-Based Stability Assessment in Grid-Forming Modular Multilevel Converters

open access: yesIEEE Access
Grid-forming converters can emulate the behavior of a synchronous generator through frequency droop control. The stability of grid-forming modular multilevel converters can be studied via the impedance-based stability criterion. This paper presents an ac-
Mehrdad Nahalparvari   +3 more
doaj   +1 more source

Optimal short‐circuit current control of the grid‐forming converter during grid fault condition

open access: yesIET Renewable Power Generation, 2021
A considerable amount of rotating synchronous machines are being replaced by the increasing capacity of converter‐based resources, which has stimulated a demand for grid‐forming converters (GFCs) for grid supporting.
Chang Liu, Xu Cai, Rui Li, Renxin Yang
doaj   +1 more source

Adjustable parameters-based control strategy for VSG-type grid forming converters considering grid strength

open access: yesFrontiers in Energy Research
IntroductionGrid-forming control has received increasing attention for being an effective solution to cope with low-inertia and weak damping systems.
Xuekai Hu   +3 more
doaj   +1 more source

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

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   +1 more source

Immunity of Grid-Forming Control Without Energy Storage to Transient Changes of Grid Frequency and Phase

open access: yesIEEE Open Journal of the Industrial Electronics Society
European grid operators in ENTSO-E and others with a significant amount of inverter-based generation are experiencing a reduction in system inertia and short-circuit power.
Norbert R. Klaes, Jens Fortmann
doaj   +1 more source

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