Results 251 to 260 of about 2,636 (303)
"Flap-in-Flap" Technique: Double V-Y Flap in Fingertip Injury Management. [PDF]
Indian J Plast SurgJayachandiran AP +4 more
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Sliding Mode Controller for Parameter-Variable Load Sharing in Islanded AC Microgrid
Energies, 2022 Controlling voltage, frequency, and current in an islanded microgrid is a challenging problem because the distributed generation sources, stochastic and intermittent in nature, are not connected to the main electricity network to provide stable and clean
Vinko Lesic +2 more
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Active Distribution Grids Offering Ancillary Services in Islanded and Grid-Connected Mode [PDF]
IEEE Transactions on Smart Grid, 2020 Future active distribution grids (ADGs) will incorporate a plethora of Distributed Generators (DGs) and other Distributed Energy Resources (DERs), allowing them to provide ancillary services in grid-connected mode and, if necessary, operate in an ...
Stavros Karagiannopoulos +2 more
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Nonlinear Saturation of Tearing Mode Islands
Physical Review Letters, 2005New, rigorous results for the tearing island saturation problem are presented. These results are valid for the realistic case where the magnetic island structure is non-symmetric about the reconnection surface and the electron temperature, on which the electrical resistivity depends, is evolved self-consistently with the island growth.
R. J. HASTIE +2 more
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Islands of accelerator modes and homoclinic tangles
Chaos: An Interdisciplinary Journal of Nonlinear Science, 1999Islands are divided according to their phase space structure—resonant islands and tangle islands are considered. It is proved that in the near-integrable limit these correspond to two distinct sets, hence that in general their definitions are not trivially equivalent.
Rom-Kedar, Vered, Zaslavsky, George
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Microgrids energy trading in islanding mode
2012 IEEE Third International Conference on Smart Grid Communications (SmartGridComm), 2012In this paper, we address the case where two microgrids are isolated from the main power grid but can exchange energy with each other in a peer-to-peer (P2P) manner. The goal is to minimize the total cost resulting from energy generation and transportation, while each microgrid satisfies its local power demand.
Javier Matamoros +2 more
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Modelling and Simulation of Microgrid in Grid-Connected Mode and Islanded Mode
2020 2nd International Conference on Electrical, Control and Instrumentation Engineering (ICECIE), 2020This paper presents the modelling and simulation of an 80kW AC microgrid network in MATLAB/Simulink environment. The network comprises a 50 kW photovoltaic system, a 10 kW fuel cell system, and a 20 kW battery energy storage system (BESS). The model is simulated under four operating conditions: (i) grid-connected mode, (ii) islanded mode (iii) islanded
Tithitip Prabaksorn +2 more
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Decentralized Sliding Mode Control of Islanded AC Microgrids With Arbitrary Topology [PDF]
IEEE Transactions on Industrial Electronics, 2017 The present paper deals with modelling of complex microgrids and the design of advanced control strategies of sliding mode type to control them in a decentralized way.
Michele Cucuzzella +2 more
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A Sliding Mode based Controller for No Inertia Islanded Microgrids
2023 22nd International Symposium on Power Electronics (Ee), 2023The papers presents a new concept for controlling voltage and frequency in islanded microgrids composed by a Battery Energy Storage System (BESS) and PhotoVoltaic (PV) Units. The proposed approach is totally decentralized as each source is equipped with a purely local controller and no communication infrastructure is needed.
Procopio R. +6 more
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Investigation of the Virtual Synchronous Machine in the island mode
2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe), 2012In this paper the investigation results of the Virtual Synchronous Machine (VISMA) in the island mode are presented. The increasing integration of the distributed generation units leads to continual growing of the amount of the inverter interface in the electrical grid.
Yong Chen +3 more
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