Results 41 to 50 of about 1,710 (186)

Impacts of Current Limiting on the Transient Stability of the Virtual Synchronous Generator [PDF]

open access: yes, 2023
This article investigates the impacts of different current limiting strategies on the transient stability of the virtual synchronous generator (VSG). The power–angle curve of the VSG under different operating conditions is theoretically characterized in ...
Badrkhani Ajaei, Firouz   +2 more
core   +2 more sources

Impedance modelling and grid integration stability evaluation of three‐phase virtual synchronous generator

open access: yesIET Power Electronics, 2022
Virtual synchronous generator (VSG), which can behave with analogous characteristics as the conventional synchronous generator (SG) and provide voltage and inertia/damping support, is universally regarded as a grid‐friendly interface.
Jie Chen   +4 more
doaj   +1 more source

Frequency and Voltage Stability Analysis of Grid-forming Virtual Synchronous Generator Attached to Weak Grid [PDF]

open access: yes, 2020
Virtual synchronous generator (VSG) control technique is widely used for the grid-friendly integration of renewable energy. However, when VSG is attached to a weak grid, it is prone to voltage and frequency instability, which aggravates the voltage ...
Blaabjerg, Frede   +5 more
core   +2 more sources

MPC-Controlled Virtual Synchronous Generator to Enhance Frequency and Voltage Dynamic Performance in Islanded Microgrids [PDF]

open access: yes, 2021
Indexación: Scopus.The use of high penetration converter-interfaced renewable energy (RE) based microgrids (MGs), due to the absence of rotational masses from conventional synchronous generators (SGs), may lead to a lack of inertia, which may lead the ...
Chong, Kil To   +4 more
core   +1 more source

Variable speed hydropower plant with virtual inertia control for provision of fast frequency reserves [PDF]

open access: yes, 2020
In this paper, five virtual inertia control structures are implemented and tested on a variable speed hydropower (VSHP) plant. The results show that all five can deliver fast power reserves to maintain grid stability after disturbances after a ...
Reigstad, Tor Inge, Uhlen, Kjetil
core   +3 more sources

Inertia Response Improvement in AC Microgrids:A Fuzzy-Based Virtual Synchronous Generator Control [PDF]

open access: yes, 2020
The absence of rotational masses from synchronous generators in converter-interfaced microgrids leads to a lack of inertia. Consequently, the system exhibits steeper frequency variations and higher frequency nadir, which may degrade the dynamic ...
Bevrani , Hassan   +6 more
core   +1 more source

Virtual Synchronization Control Strategy for UHVDC with Secondary Frequency Modulation Based on PI Control

open access: yesZhongguo dianli, 2022
Under traditional control strategy, UHVDC transmission system lacks inertia and damping characteristics, so it can't effectively adjust the frequency of AC system dynamically.
Xiaolong GUO   +6 more
doaj   +1 more source

Multi-objective optimization of HESS control for optimal frequency regulation in a power system with RE penetration

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Concerns over fossil fuel emissions and their hazardous effects have led to a shift away from conventional power plants and focus more on the expansion of renewable energy sources. This shift has resulted in reduced inertia and resulted in poor frequency
Ousama M.T. Ajami   +4 more
doaj   +1 more source

Stable Operation and Small-Signal Analysis of Multiple Parallel DG Inverters Based on a Virtual Synchronous Generator Scheme

open access: yesEnergies, 2018
For a high penetration level of distributed energy resources (DERs) in the grid, virtual synchronous generator (VSG) control is applied to the power electronic converters to mimic the rotating mass and damping property of a conventional synchronous ...
Bo Zhang   +5 more
doaj   +1 more source

Consensus Based Control Strategy for Virtual Synchronous Generators in Microgrids [PDF]

open access: yes, 2021
Renewable energy sources such as photo-voltaic and wind energy are integrating very rapidly in power systems. These energy-based systems typically adopt power-electronic interfaced inverters to connect to the grid. However, unlike traditional generators,
kandula, Anusha
core   +1 more source

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