Results 21 to 30 of about 8,376 (257)
Adaptive Control of a Virtual Synchronous Generator with Multiparameter Coordination
Energies, 2023 This paper proposes an adaptive strategy of co-regulating the three parameters—P/ω droop coefficient, virtual inertia, and damping coefficient—for the virtual synchronous generator (VSG).
Bixing Ren +3 more
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Virtual Inertia Control Methods in Islanded Microgrids [PDF]
Energies, 2021 Although the deployment and integration of isolated microgrids is gaining widespread support, regulation of microgrid frequency under high penetration levels of renewable sources is still being researched. Among the numerous studies on frequency stability, one key approach is based on integrating an additional loop with virtual inertia control ...
Vjatseslav Skiparev +5 more
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An Efficient Adaptive Virtual Inertia Controller for Virtual Synchronous Generators [PDF]
, 2020 This paper proposes an efficient adaptive strategy to control virtual inertia of virtual synchronous generators. This adaptive virtual inertia can provide low frequency oscillation damping and simultaneously improve primary frequency control in power systems. <br>
Mehdi Gholipour +2 more
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Frontiers in Energy Research, 2023 The virtual inertia technology of DGs (Distributed Generations) can provide inertia and damping support for the power system by imitating the traditional synchronous machine. However, the inherent delay problems around the communication and process links
Chang Zhou +5 more
doaj +1 more source
On the virtual inertia provision by BESS in low inertia power systems [PDF]
2018 IEEE International Energy Conference (ENERGYCON), 2018 This paper emphasizes the importance of battery energy storage systems (BESS) for frequency stability in low inertia power systems. A mixed input signal is considered for the BESS control, consisting of the frequency variation and the rate of change of frequency, as a solution to deploy the BESS for providing both inertia and primary frequency control.
Toma L. +7 more
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Effect of DFIG control parameters on small signal stability in power systems
Scientific Reports, 2023 The doubly-fed induction generator (DFIG) with virtual inertia control and reactive damping control gives a renewable energy generation system inertia and damping characteristics similar to those of a thermal power plant, and the parameters of the ...
Liu Qi +4 more
doaj +1 more source
Optimal Allocation of Virtual Inertia Devices for Enhancing Frequency Stability in Low-Inertia Power Systems [PDF]
2021 North American Power Symposium (NAPS), 2021 As renewable resources gradually replace conventional generation based synchronous machines, the dynamics of the modern grid changes significantly and the system synchronous inertia decreases substantially. This transformation poses severe challenges for power system stability; for instance, it may lead to larger initial rate of change of frequency and
Tuo, Mingjian, Li, Xingpeng
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Dynamic Frequency Support from a DFIG-Based Wind Turbine Generator via Virtual Inertia Control
Applied Sciences, 2020 As the penetrated level of wind in power grids increases, the online system inertia becomes weak. Doubly-fed induction generator (DFIG)-based wind turbine generators (WTGs) are required to provide virtual inertia response to support system frequency. The
Dejian Yang +3 more
doaj +1 more source
Virtual Inertia Control of the Virtual Synchronous Generator: A Review
, 2021 With the increasing impact of low inertia due to the high penetration of distributed generation, virtual synchronous generator (VSG) technology has been proposed to improve the stability of the inverter-interfaced distributed generator by providing "virtual inertia".
Li, Meiyi +3 more
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Health disparities in chronic liver disease
Hepatology, EarlyView., 2022 Abstract The syndemic of hazardous alcohol consumption, opioid use, and obesity has led to important changes in liver disease epidemiology that have exacerbated health disparities. Health disparities occur when plausibly avoidable health differences are experienced by socially disadvantaged populations.
Ani Kardashian +3 more
wiley +1 more source