Results 91 to 100 of about 2,636 (303)

Power scheduling in islanded-mode microgrids using fuel cell vehicles

, 2017
We consider power scheduling in a microgrid operated in the islanded mode. It is assumed that at any time all the renewable energy sources are generating the maximum achievable electrical power based on the weather conditions and the power balance of the
Alavi, Farid, Nathan van de Wouw, de Schutter, Bart, Wouw, N Nathan van de, Schutter, Bart de, Farid Alavi, Bart De Schutter, van de Wouw, Nathan   +7 more
core   +1 more source

Transition from Islanded to grid-connected mode of microgrids with voltage-based droop control [PDF]

, 2013
Microgrids are able to provide a coordinated integration of the increasing share of distributed generation (DG) units in the network. The primary control of the DG units is generally performed by droop-based control algorithms that avoid communication ...
Vandoorn, Tine, De Kooning, Jeroen, Meersman, Bart, Vandevelde, Lieven   +3 more
core   +1 more source

Inter-Island Commuter Travel Mode Chain Model in the Islands Region

IOP Conference Series: Earth and Environmental Science
Abstract Village growth and coastal development on islands are challenging phenomena in urban development that put pressure on transportation planning and provision. For waterfront cities the impacts are often amplified by exponential growth and limited availability of public transportation infrastructure.
Sri Wahyuni, Abdul Gaus, Raudha Hakim
openaire   +1 more source

Microscopic Insights into Magnetic Warping and Time‐Reversal Symmetry Breaking in Topological Surface States of Rare‐Earth‐Doped Bi2Te3

Advanced Materials, EarlyView.
Magnetic doping of the topological insulator Bi2Te3 with erbium adatoms induces out‐of‐plane magnetism and breaks time‐reversal symmetry, opening a Dirac gap and driving a Fermi surface transition from hexagonal to star‐of‐David geometry. Microscopy, spectroscopy, and magnetic dichroism reveal atomically controlled magnetic interactions that tailor the
Beatriz Muñiz Cano, Fabián Calleja, Ji Dai, Massimo Tallarida, Vera Marinova, Alessandro Barla, Marc G. Cuxart, Pierluigi Gargiani, Gonzalo N. Molina, José Angel Silva‐Guillén, Adriana I. Figueroa, Kevin García‐Díez, Sergio O. Valenzuela, Aitor Mugarza, Amadeo L. Vázquez de Parga, Rodolfo Miranda, Francisco Guinea, Manuela Garnica, Miguel A. Valbuena   +18 more
wiley   +1 more source

Unified decentralised control for both grid-connected and islanded operation of cascaded-type microgrid

, 2020
In order to ensure the uninterrupted power supply, it is necessary for the microgrid to operate in both grid-connected mode and islanded mode. To address this concern, this study proposes a unified decentralised control strategy for both grid-connected ...
Zhang, Xin, Wang, Peng, Guerrero, Josep M.; id_orcid, Li, Lang, Sun, Yao, Su, Mei, Hou, Xiaochao   +6 more
core   +1 more source

A Seamless Switching Strategy for Hybrid AC/DC Microgrids Under Varied Control Complexities

IEEE Access
In peer-to-peer controlled hybrid AC/DC microgrids, the grid-connected inverters switch between different control modes with the change of the operating conditions.
Huayu Zhang, Shan He, Zhi Yuan, Zhijiang Cheng, Jing Cheng, Bing Hu, Lijun Xu, Xiaochao Fan   +7 more
doaj   +1 more source

Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD

Advanced Materials, EarlyView.
Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo, Masoud Mansouri, Carlos Garcia‐Fernandez, Daniel Sánchez‐Portal, Aran Garcia‐Lekue, Gustavo Ceballos, Aitor Mugarza   +6 more
wiley   +1 more source

A fuzzy Based Under-Frequency Load Shedding Scheme for islanded distribution network connected with DG

, 2012
The frequency of power system is very sensitive to load changing when operating in islanded mode. This may causes overloading or loss of generation cases.
Mokhlis, Hazlie, Bakar, A.H.A., Laghari, J.A., Karimi, M.   +3 more
core  

A Novel Power Scheduling Mechanism for Islanded DC Microgrid Cluster

, 2020
Extension of the main grid to remote areas is economically not feasible. To electrify remote areas, one of the best choices is to install Renewable Energy Sources (RES) as a distributed generation (DG) and thus form a microgrid (MG) in islanded (Stand ...
Haider Ali, Omar M. Aldossary, Abdul Wahid, Javed Iqbal, Affaq Qamar, Abdul Basit, Salman Ahmed   +6 more
core   +1 more source

Coordinated control for harmonic mitigation of parallel voltage-source inverters

CES Transactions on Electrical Machines and Systems, 2018
The increasing use of power electronic devices can deteriorate the power quality by introducing voltage and current harmonics. In islanded microgrids, the presence of nonlinear loads can distort the point of common coupling (PCC) voltage, while the dead ...
Yang Qi, Jingyang Fang, Jiazhe Liu, Yi Tang   +3 more
doaj   +1 more source