Results 21 to 30 of about 1,037,140 (298)

Analysis of sub-synchronous oscillation characteristics of PMSGs based on transient energy

Frontiers in Energy Research, 2023
Faced with the problem of sub-synchronous oscillation (SSO) caused by the interaction between permanent magnetic synchronous generator (PMSG)-based wind farms and weak AC grids, we construct a transient energy function model that follows the structure of
Gangui Yan, Gangui Yan, Yupeng Wang, Yupeng Wang, Cheng Yang, Lin Yue   +5 more
doaj   +1 more source

Optimal Energy Growth in Current Sheets [PDF]

, 2017
In this paper, we investigate the possibility of transient growth in the linear perturbation of current sheets. The resistive magnetohydrodynamic (MHD) operator for a background field consisting of a current sheet is non-normal, meaning that associated ...
MacTaggart, David, Stewart, Peter
core   +2 more sources

A deep study of the high–energy transient sky [PDF]

Experimental Astronomy, 2021
AbstractThe coming decades will establish the exploration of the gravitational wave (GW) Universe over a broad frequency range by ground and space interferometers. Meanwhile, wide-field, high-cadence and sensitive surveys will span the electromagnetic spectrum from radio all the way up to TeV, as well as the high-energy neutrino window.
Guidorzi C., Frontera F., Ghirlanda G., Stratta G., Mundell C. G., Virgilli E., Rosati P., Caroli E., Amati L., Pian E., Kobayashi S., Ghisellini G., Fryer C., Valle M. D., Margutti R., Marongiu M., Martone R., Campana R., Fuschino F., Labanti C., Orlandini M., Stephen J. B., Brandt S., Silva R. C., Laurent P., Mochkovitch R., Bozzo E., Ciolfi R., Burderi L., Di Salvo T.   +29 more
openaire   +6 more sources

Fault Location with High Precision of Flexible DC Distribution System Using Wavelet Transform and Convolution Neural Network

Frontiers in Energy Research, 2021
Though flexible DC distribution system (FDCDS) is becoming a new hotspot in power systems lately because of the rapid development of power electronic devices and massive use of renewable energy, the failure to realize accurate fault location with high ...
Dafei Wang, Baohua Wang, Wenhui Zhang, Chi Zhang, Jiacheng Yu   +4 more
doaj   +1 more source

Convective instability and transient growth in flow over a backward-facing step [PDF]

, 2008
Transient energy growths of two- and three-dimensional optimal linear perturbations to two-dimensional flow in a rectangular backward-facing-step geometry with expansion ratio two are presented.
Barkley, Dwight, Blackburn, H. M., Sherwin, Spencer J.   +2 more
core   +3 more sources

Status of the TransiEnt Library: Transient Simulation of Complex Integrated Energy Systems

Linköping Electronic Conference Proceedings, 2021
The open-source Modelica library TransiEnt Library was developed within the research project TransiEnt.EE. This paper presents two major extensions to this library which were developed in the follow-up research project ResiliEntEE. The modeling of the power sector on transmission grid level is possible due to the implementation of the complex bus ...
Senkel, Anne, Bode, Carsten, Heckel, Jan-Peter, Schülting, Oliver, Schmitz, Gerhard, Becker, Christian, Kather, Alfons   +6 more
openaire   +2 more sources

The reactive energy of transient EM fields [PDF]

Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, 2012
We give a physically compelling definition of the instantaneous reactive energy density associated with an arbitrary transient electromagnetic field in vacuum.
openaire   +2 more sources

Energy release of Al/PTFE materials enhanced by aluminum honeycomb framework subjected to high speed impact under vacuum environment

Journal of Materials Research and Technology, 2020
Aluminum honeycomb framework reinforced Al/PTFE material is a kind of high inert energetic material, which has higher strength and structure advantages than that of pure Al/PTFE material.
Zhenhui He, Enling Tang, Xuedong Ou, Xingyong Gao, Lixiang Jiang, Chuang Chen, Mengzhou Chang, Yafei Han   +7 more
doaj   +1 more source

The stability of a rising droplet: an inertialess nonmodal growth mechanism [PDF]

, 2015
Prior modal stability analysis (Kojima et al., Phys. Fluids, vol. 27, 1984) predicted that a rising or sedimenting droplet in a viscous fluid is stable in the presence of surface tension no matter how small, in contrast to experimental and numerical ...
Gallaire, Francois, Gallino, Giacomo, Zhu, Lailai   +2 more
core   +2 more sources

High energy transients: The millisecond domain [PDF]

Journal of Astrophysics and Astronomy, 2018
Search for high energy transients in the millisecond domain has come to the focus in recent times due to the detection of Gravitational Wave events and the identification of Fast Radio Bursts as cosmological sources. I will highlight the sensitivity limitations in the currently operating hard X-ray telescopes and give some details of the search for ...
openaire   +2 more sources