Results 31 to 40 of about 17,707,614 (353)

Modelling of synchronous generators for the analysis of frequency transients above 1 Hz/s [PDF]

open access: yesArchives of Electrical Engineering, 2022
Large synchronous generators are of high importance for the stability of power systems. They generate the frequency of the system and stabilize it in case of severe grid faults like trips of large in-feeders or loads.
Alf Assenkamp
doaj   +1 more source

A Supervisory Frequency Support Control Scheme for Distributed Pv

open access: yes, 2023
Increasing penetration of Photovoltaic (PV) generation brings an opportunity, and sometimes necessity, for this new resource to provide ancillary services such as frequency support. Recent efforts toward this goal focused mainly on the large-scale PV plants with identical subsystems but cannot handle distributed PV systems with diversities.
Qinmiao Li, Mesut E. Baran
openaire   +2 more sources

The Finometer can function as a standalone instrument in blood pressure variability studies and does not require support equipment to determine breathing frequency [PDF]

open access: yes, 2010
Objective: The Finometer (FMS, Finapres Measurement Systems, Amsterdam) records the beat-to-beat finger pulse contour and has been recommended for research studies assessing shortterm changes of blood pressure and its variability. Variability measured in
Towell, A.   +5 more
core   +1 more source

Coordinated tuning of MMC-HVDC interconnection links and PEM electrolyzers for fast frequency support in a multiarea electrical power system [PDF]

open access: yes, 2023
Modernization of power systems leads to more power electronic interfaced units in the generation, demand, and transmission. Examples are remotely installed renewable energy sources, loads with constant power, or high voltage direct current (HVDC ...
Gonzalez-Longatt, Francisco (author)   +4 more
core   +1 more source

Influence of Continuous Provision of Synthetic Inertia on the Mechanical Loads of a Wind Turbine

open access: yesEnergies, 2021
In many electrical grids, the share of renewable energy generation increases. As these generators are typically connected to the grid via inverters, the level of grid inertia decreases.
Arne Gloe   +4 more
doaj   +1 more source

VSC-HVDC for Frequency Support (a review) [PDF]

open access: yes13th IET International Conference on AC and DC Power Transmission (ACDC 2017), 2017
To reduce CO2 emissions produced by electricity generation, conventional fossil fuel power plants are being decommissioned. Renewable energy sources (RES) and interconnectors are replacing these old power plants but have different operating characteristics.
Fradley, John   +2 more
openaire   +1 more source

A Predictive Control Scheme for a Single-Phase Grid-Supporting Quasi-Z-Source Inverter and Its Integration With a Frequency Support Strategy

open access: yesIEEE Access, 2023
Small grid-connected inverters are not friendly to the electrical grid, in the sense they do not take any action to support the grid when contingency events occur.
C. Baier   +5 more
semanticscholar   +1 more source

Low frequency damping of metal panels in ambient Air [PDF]

open access: yes, 2008
Mathematical models of structural dynamics are widely used and applied in many branches of science and engineering and it has been argued that many of the shortfalls with these models are due to the fact that the physics of joint dynamics are not ...
Paul Cunningham (1251771)   +8 more
core   +1 more source

A Grouping-Based Frequency Support Scheme for Wind Farm Under Cyber Uncertainty

open access: yesIEEE Access, 2020
The injection of a significant amount of wind power tends to increase the difficulty of the grid frequency control. Therefore, wind farm (WF) has to have the ability to participate in system frequency support.
Yangyang Liu   +3 more
doaj   +1 more source

Electric Power System Stabilization by Virtual Inertia and Fast Grid Frequency Support of Grid-Following Virtual Synchronous Generator

open access: yesInternational Journal of Electrical and Electronic Engineering & Telecommunications, 2022
The Virtual Synchronous Generator (VSG) can give virtual inertia and imitate primary control of the synchronous generator. This paper focuses on grid-following (GFL) type VSG for easy parallel operation compared to voltage source inverter.
Teppei Fujita   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy