Results 31 to 40 of about 234,043 (311)

Stochastic Unit Commitment in Low-Inertia Grids [PDF]

open access: yesIEEE Transactions on Power Systems, 2019
In this paper, the Unit Commitment (UC) problem in a power network with low levels of rotational inertia is studied. Frequency-related constraints, namely the limitation on Rate-of-Change-of-Frequency (RoCoF), frequency nadir and steady-state frequency ...
Matthieu Paturet   +5 more
semanticscholar   +1 more source

Theoretical study of energy, inertia and nullity of phenylene and anthracene

open access: yesOpen Chemistry, 2021
Energy of a molecule plays an important role in physics, chemistry and biology. In mathematics, the concept of energy is used in graph theory to help other subjects such as chemistry and physics.
Ahmad Zaheer   +4 more
doaj   +1 more source

Placement and Implementation of Grid-Forming and Grid-Following Virtual Inertia and Fast Frequency Response [PDF]

open access: yesIEEE Transactions on Power Systems, 2018
The electric power system is witnessing a shift in the technology of generation. Conventional thermal generation based on synchronous machines is gradually being replaced by power electronics interfaced renewable generation.
B. Poolla, Dominic Gross, F. Dörfler
semanticscholar   +1 more source

Rapid Power Compensation-Based Frequency Response Strategy for Low-Inertia Power Systems

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
To reduce the frequency deviation and the rate of change of frequency (RoCoF) in a low-inertia power system, some converters are required to provide the frequency response (FR) power normally associated with the frequency deviation and/or the RoCoF, by ...
L. Xiong   +3 more
semanticscholar   +1 more source

Cooperative Control Strategy of Virtual Synchronous Generator Based on Optimal Damping Ratio

open access: yesIEEE Access, 2021
Wind power, photovoltaics and other new energy sources are connected to the grid on a large scale. The power electronic interface cannot provide inertia and damping support for the microgrid.
Shengwei Qu, Zhijie Wang
doaj   +1 more source

Decision making under uncertainty in the diagnosis and management of Alzheimer's Disease in primary care: A study protocol applying concepts from neuroeconomics

open access: yesFrontiers in Medicine, 2022
BackgroundThe current management of patients with Dementia, primarily with Alzheimer's Disease (AD) is rapidly evolving. However, limited information is available about the current gaps and decision-making in primary care.ObjectivesTo evaluate factors ...
Gustavo Saposnik   +10 more
doaj   +1 more source

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

open access: yesIEEE transactions on power electronics, 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 ...
Amin Karimi   +6 more
semanticscholar   +1 more source

Gravitational Interaction. A Conceptual Approach from Mechanics Perspective [PDF]

open access: yesINCAS Bulletin
The paper brings to attention the well-known interaction of gravity alongside the well-known property of inertia stated as in classical mechanical motion.
Sorin Stefan RADNEF
doaj   +1 more source

Lifestyle Behaviors and Cardiotoxic Treatment Risks in Adult Childhood Cancer Survivors

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Higher doses of anthracyclines and heart‐relevant radiotherapy increase cardiovascular disease (CVD) risk. This study assessed CVD and CVD risk factors among adult childhood cancer survivors (CCSs) across cardiotoxic treatment risk groups and examined associations between lifestyle behaviors and treatment risks.
Ruijie Li   +6 more
wiley   +1 more source

Dynamic Modeling and Stability Analysis of a Control Moment Gyroscope Considering the Influence of a Flexible Vibration Isolator

open access: yesIEEE Access
Microvibrations of spacecraft are mainly generated by control moment gyroscopes (CMGs), which seriously reduces the effectiveness of spacecraft attitude control. Considerable work about vibration isolators has been conducted for isolating microvibrations
Lei Chen   +5 more
doaj   +1 more source

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