Results 11 to 20 of about 194,426 (299)

Gender and utilization of ancillary services [PDF]

open access: yesJournal of General Internal Medicine, 1998
To determine whether gender is associated with the use of ancillary services in hospitalized patients.A retrospective study of laboratory and radiology tests ordered for medical and surgical inpatients over 16-month and 20-month periods, respectively.
A K, Jha   +3 more
openaire   +2 more sources

Prediction of Willingness to Pay for Airline Seat Selection Based on Improved Ensemble Learning

open access: yesAerospace, 2022
Airlines have launched various ancillary services to meet their passengers’ requirements and to increase their revenue. Ancillary revenue from seat selection is an important source of revenue for airlines and is a common type of advertisement.
Zehong Wang   +5 more
doaj   +1 more source

Mechanism Design of China Ancillary Service Market Considering Provincial and Inter-Provincial Market Characteristics [PDF]

open access: yesSHS Web of Conferences, 2023
With the future large-scale access of renewable energy, the electric power system will accelerate the development in the direction of clean and low carbon, especially under a high proportion of renewable energy electric power system, the structure and ...
Zhang Gao, Fan Menghua, lv Chen
doaj   +1 more source

Voltage Control-Based Ancillary Service Using Deep Reinforcement Learning

open access: yesEnergies, 2021
Ancillary services rely on operating reserves to support an uninterrupted electricity supply that meets demand. One of the hidden reserves of the grid is in thermostatically controlled loads.
Oleh Lukianykhin, Tetiana Bogodorova
doaj   +1 more source

Utilization of Electric Vehicles for Vehicle-to-Grid Services: Progress and Perspectives

open access: yesEnergies, 2022
With every passing second, we witness the effect of the global environmental impact of fossil fuels and carbon emissions, to which nations across the globe respond by coming up with ambitious goals to become carbon-free and energy-efficient.
Sai Sudharshan Ravi, Muhammad Aziz
doaj   +1 more source

Ancillary services [PDF]

open access: yes, 1996
Ancillary services are those functions performed by electrical generating, transmission, system-control, and distribution-system equipment and people to support the basic services of generating capacity, energy supply, and power delivery. The Federal Energy Regulatory Commission defined ancillary services as ``those services necessary to support the ...
Hirst, E., Kirby, B
openaire   +2 more sources

Optimizing Energy Storage Participation in Emerging Power Markets [PDF]

open access: yes, 2015
The growing amount of intermittent renewables in power generation creates challenges for real-time matching of supply and demand in the power grid. Emerging ancillary power markets provide new incentives to consumers (e.g., electrical vehicles, data ...
Chen, Hao   +3 more
core   +4 more sources

Multiperiod Optimum Power Flow for Active Distribution Networks With Provisioning of Ancillary Services

open access: yesIEEE Access, 2021
Distribution networks are suffering a transformation process with the insertion of distributed energy resources, changing from a passive part of the power grid into an active system.
Thais M. Blasi   +3 more
doaj   +1 more source

An Overview on the Recent Advances of the Voltage Source Converter Control Modes in Terms of their Roles in Transmission Grid Ancillary Services

open access: yesENP Engineering Science Journal, 2022
Voltage Source Converters (VSC) are expected to be one of the major actors in future AC transmission grids. Their role includes the interconnection of renewable energy, from distributed sources such as residential PV to large Offshore Wind Farms (OWF ...
Rayane Mourouvin   +4 more
doaj   +1 more source

Research on Market Mechanism Design of Emergency Generator Tripping and Load Shedding Ancillary Services [PDF]

open access: yesDianli jianshe
[Objective] To ensure the operation stability and economic requirements of the power grid under large disturbances and to incentivize market participants to engage in system protection,this paper proposes a market mechanism for emergency generator ...
DAI Jiang, WANG Shuo, ZHAO Jinquan
doaj   +1 more source

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