Results 31 to 40 of about 2,437,245 (292)

T2K oscillation results [PDF]

open access: yes, 2017
The T2K (Tokai-to-Kamioka) experiment is a second generation long baseline neutrino oscillation experiment that probes physics beyond the Standard Model.
L. Magaletti   +1 more
core   +1 more source

Dominant inter‐area oscillation path analysis of power systems with a high penetration of permanent magnet synchronous generator by using network mode energy

open access: yesIET Generation, Transmission & Distribution, 2021
In this study, a network mode energy (NME) method is used to analyse the low‐frequency oscillation (LFO) of a power system with a high penetration of a permanent magnet synchronous generator (PMSG).
Cheng Liu   +4 more
doaj   +1 more source

Actively mode-locked multiwavelength fibre ring laser incorporating a lyot filter, hybrid gain medium and birefringence compensated LiNbO3 modulator [PDF]

open access: yes, 2007
A lyot filter based actively mode-locked multiwavelength fibre ring laser with a hybrid gain medium, consisting of an SOA and EDFA, is presented. Simultaneous mode-locking of up to 8 wavelength channels at 10 GHz is realised using a LiNbO3 based Mach ...
Anandarajah, Prince M.   +12 more
core   +2 more sources

Analysis of Sub/Super-Synchronous Oscillation of Direct-Drive Offshore Wind Power Grid-Connected System via VSC-HVDC

open access: yesShanghai Jiaotong Daxue xuebao, 2022
The system of offshore direct-drive wind farm connected to the power grid via voltage source converter based high voltage direct current (VSC-HVDC) transmission consists of several converters, which have different time scale control loops and complex ...
ZHANG Zhiqiang, LI Qiutong, YU Hao, CHEN Honglin, SUN Haishun
doaj   +1 more source

Impact of High PV Penetration on the Inter-Area Oscillations in the U.S. Eastern Interconnection

open access: yesIEEE Access, 2017
This study explores the impact of high-photovoltaic (PV) penetration on the inter-area oscillation modes of large-scale power grids. A series of dynamic models with various PV penetration levels are developed based on a detailed model representing the U ...
Shutang You   +7 more
doaj   +1 more source

Sub-synchronous oscillation risk between PMSG farm and series complement

open access: yes电力工程技术, 2022
With the continuous expansion of power grid scale, the phenomenon of subsynchronous oscillation caused by series compensated long-distance transmission system occurs frequently.
LIU Wenyuan   +4 more
doaj   +1 more source

Antarctic sea ice trends and its response to the Southern annular mode [PDF]

open access: yes, 2009
Includes bibliographical references (leaves 37-42).Sea ice covers vast regions of the Southern Ocean and impacts on the climate as well as the plant and animal life of the region.
Collins, Charine
core   +1 more source

Data-Driven Interarea Oscillation Analysis for a 100% IBR-Penetrated Power Grid

open access: yesIEEE Open Access Journal of Power and Energy, 2023
In this research, a 100% inverter-based resource (IBR)-penetrated bulk power system (BPS) is examined for possible interarea oscillations. A testbed of a BPS constructed in PSCAD, with both grid-forming inverter (GFM)-based IBRs and grid-following
Miao Zhang   +3 more
doaj   +1 more source

Research on oscillation characteristics of wind farm sending system based on participation factor

open access: yesFrontiers in Energy Research, 2022
The MMC-HVDC transmission system of wind farms has a very broad application prospect, but there is gradually growing major concern that the system is prone to broadband oscillation. And the mechanism of oscillation also remains to be clarified.
Qiu Peng   +5 more
doaj   +1 more source

Nonlinear modes of a macroscopic quantum oscillator [PDF]

open access: yesPhysics Letters A, 2001
We consider the Bose-Einstein condensate in a parabolic trap as a macroscopic quantum oscillator and describe, analytically and numerically, its collective modes - a nonlinear generalisation of the (symmetric and antisymmetric) Hermite-Gauss eigenmodes of a harmonic quantum oscillator.
Alexander, Tristram J   +2 more
openaire   +3 more sources

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