Results 11 to 20 of about 10,383,325 (344)

A comprehensive review of wind power integration and energy storage technologies for modern grid frequency regulation. [PDF]

open access: yesHeliyon
Integrating wind power with energy storage technologies is crucial for frequency regulation in modern power systems, ensuring the reliable and cost-effective operation of power systems while promoting the widespread adoption of renewable energy sources ...
Ullah F   +6 more
europepmc   +2 more sources

Optimal Vehicle-to-Grid Control for Supplementary Frequency Regulation Using Deep Reinforcement Learning

open access: yesSocial Science Research Network, 2023
The expanding Electric Vehicle (EV) market presents a new opportunity for electric vehicles to deliver a wide range of valuable grid services. Indeed, the emerging Vehicle-to-Grid (V2G) technology with bi-directional flow of power provides the grid with ...
Fayiz Alfaverh, M. Denaï, Yichuang Sun
semanticscholar   +1 more source

Effect of Symmetrically Switched Rectifier Topologies on the Frequency Regulation of Standalone Micro-Hydro Power Plants

open access: yesEnergies, 2021
Micro-hydro power plants (μHPPs) are a major energy source in grid-isolated zones because they do not require reservoirs and dams to be built. μHPPs operate in a standalone mode, but a continuously varying load generates voltage unbalances and frequency ...
Henry Bory   +3 more
doaj   +1 more source

Data-Driven Distributionally Robust Optimization for Real-Time Economic Dispatch Considering Secondary Frequency Regulation Cost [PDF]

open access: yesIEEE Transactions on Power Systems, 2021
With the large-scale integration of renewable power generation, frequency regulation resources (FRRs) are required to have larger capacities and faster ramp rates, which increases the cost of the frequency regulation ancillary service.
Likai Liu   +3 more
semanticscholar   +1 more source

ANN-Based Pattern Recognition for Induction Motor Broken Rotor Bar Monitoring under Supply Frequency Regulation

open access: yesMachines, 2021
The requisite of direct-on-line (DOL) starting for various applications in underground mines subjects the rotor bars of heavy-duty squirrel cage induction motors (SCIMs) to severe stresses, resulting in sustained fault in the rotor bars, unlike the ...
Ashish Kumar Sinha   +3 more
doaj   +1 more source

Optimal Building Thermal Load Scheduling for Simultaneous Participation in Energy and Frequency Regulation Markets

open access: yesEnergies, 2021
This paper presents an optimal scheduling solution for building thermal loads that simultaneously participate in the wholesale energy and frequency regulation markets.
Jie Cai
doaj   +1 more source

A VSG-Based Coordinated DC Voltage Control for VSC-HVDC to Participate in Frequency Regulation

open access: yesEnergies, 2021
In this paper, a coordinated DC voltage control strategy is proposed based on the VSG (virtual synchronous generator) method for the VSC-HVDC transmission system to participate in the frequency regulation of the connected weak grid. The voltage and power
Tianwen Zheng   +5 more
doaj   +1 more source

Adaptive frequency regulation strategy in multi-area microgrids including renewable energy and electric vehicles supported by virtual inertia

open access: yesInternational Journal of Electrical Power & Energy Systems, 2021
With the increased level of penetration of distributed generators (DGs), renewable energy sources (RESs) in microgrids (μGs), the impact of damping, and low inertia effect on the grid stability increase in the situation of uncertainties.
Hussein Abubakr   +4 more
semanticscholar   +1 more source

Crosstalk between G-protein and Ca2+ pathways switches intracellular cAMP levels [PDF]

open access: yes, 2001
Cyclic adenosine monophosphate and cyclic guanosine monophosphate are universal intracellular messengers whose concentrations are regulated by molecular networks comprised of different isoforms of the synthases adenylate cyclase or guanylate cyclase and ...
A Dietz   +22 more
core   +2 more sources

Frequency Regulation of an Isolated Microgrid With Electric Vehicles and Energy Storage System Integration Using Adaptive and Model Predictive Controllers

open access: yesIEEE Access, 2021
Energy storage system (ESS) possesses tremendous potential to counter both the rapid growth of intermittent renewable energy resources (RESs) and provide frequency support to the microgrid (MG).
M. U. Jan   +5 more
semanticscholar   +1 more source

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