Results 21 to 30 of about 194,426 (299)

Reactive Power Injection to Mitigate Frequency Transients Using Grid Connected PV Systems

open access: yesEnergies, 2020
The increasing integration of renewable energies reduces the inertia of power systems and thus adds stiffness to grid dynamics. For this reason, methods to obtain virtual inertia have been proposed to imitate mechanical behavior of rotating generators ...
Yujia Huo   +3 more
doaj   +1 more source

Ancillary service provision by demand side management : a real-time power hardware-in-the-loop co-simulation demonstration [PDF]

open access: yes, 2015
The role of demand side management in providing ancillary services to the network is an active topic of research. However, their implementation is limited due to lack of practical demonstrations and tests that can rigorously quantify their ability to ...
Burt, G. M.   +3 more
core   +2 more sources

Island operation capability in the Colombian electrical market: a promising ancillary service of distributed energy resources

open access: yesTecnoLógicas, 2018
Nowadays most distributed generators are not designed to operate under islanded conditions. The ancillary service of islanded operation capability is proposed as a technical support service with the ability to increase the reliability, security and ...
Juan D. Marín-Jiménez   +2 more
doaj   +1 more source

Ancillary Services in Hybrid AC/DC Low Voltage Distribution Networks [PDF]

open access: yes, 2019
In the last decade, distribution systems are experiencing a drastic transformation with the advent of new technologies. In fact, distribution networks are no longer passive systems, considering the current integration rates of new agents such as ...
Barragán Villarejo, Manuel   +4 more
core   +1 more source

EV Aggregators and Energy Storage Units Scheduling into Ancillary Services Markets: The Concept and Recommended Practice

open access: yesWorld Electric Vehicle Journal, 2019
In this paper, optimization of Electric Vehicle (EV) batteries and dedicated energy storage unit charging profiles were conducted for the sake of bidding into day-ahead ancillary service markets.
Abdelrahman Aldik, Tamer Khatib
doaj   +1 more source

Aggregate Electric Vehicles in Demand Side for Ancillary Service

open access: yesWorld Electric Vehicle Journal, 2021
This paper investigates the win-win commercialization mode of aggregating electric vehicles (EVs) in demand side for ancillary service. We have conducted a half-year-long incentive verification experiment covering 10,066 electric vehicle owners in ...
Xianglu Liu   +5 more
doaj   +1 more source

A data-driven time-delay compensation strategy for ancillary service of the distribution photovoltaic generation system

open access: yesFrontiers in Energy Research, 2023
With the increasing integration of distributed photovoltaic (PV) generation, the distribution network has met many challenges in operation and control.
Maodong Shen   +3 more
doaj   +1 more source

Forest cover estimation in Ireland using radar remote sensing: a comparative analysis of forest cover assessment methodologies [PDF]

open access: yes, 2015
Quantification of spatial and temporal changes in forest cover is an essential component of forest monitoring programs. Due to its cloud free capability, Synthetic Aperture Radar (SAR) is an ideal source of information on forest dynamics in countries ...
Barrett, Brian   +5 more
core   +4 more sources

Smart Fridge / Dumb Grid? Demand Dispatch for the Power Grid of 2020

open access: yes, 2015
In discussions at the 2015 HICSS meeting, it was argued that loads can provide most of the ancillary services required today and in the future. Through load-level and grid-level control design, high-quality ancillary service for the grid is obtained ...
Bušić, Ana   +3 more
core   +3 more sources

Development of Long-Duration Energy Storage Projects in Electric Power Systems in the United States: A Survey of Factors Which Are Shaping the Market

open access: yesFrontiers in Energy Research, 2020
Energy storage is a topic of increasing interest for purposes of decarbonization of the electric power system, and in particular for addressing integration of increasing quantities of variable energy resources, such as wind and solar PV.
Udi Helman, Ben Kaun, Joseph Stekli
doaj   +1 more source

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