Results 191 to 200 of about 5,488,638 (232)

A review of optimal power flow studies applied to smart grids and microgrids

open access: closedRenewable and Sustainable Energy Reviews, 2017
Abstract The term smart grid refers to a modernization of the electrical network consisting in the integration of various technologies such as dispersed generation, dispatchable loads, communication systems and storage devices which operates in grid-connected and islanded modes.
Massimo la Scala, Hamdi Abdi
exaly   +4 more sources

Optimal Power Dispatch of Multi-Microgrids at Future Smart Distribution Grids

open access: closedIEEE Transactions on Smart Grid, 2015
In this paper, future distribution network operation is discussed under assumption of multimicrogrids (MMGs) concept. The economic operation of MMGs is formulated as an optimization problem. A stochastically and probabilistic modeling of both small-scale energy resources (SSERs) and load demand at each microgrids (MGs) is done to determine the optimal ...
Nima Nikmehr, Sajad Najafi Ravadanegh
exaly   +4 more sources

Back-feed power restoration using distributed constraint optimization in smart distribution grids clustered into microgrids

open access: closedApplied Energy, 2017
Abstract In this paper, an optimization problem is formulated for the automatic back-feed service restoration in smart distribution grids. The formulated problem relies on the structure of smart distribution grids, clustered into multi-microgrids, capable of operating in both grid-connected and islanded modes of operation. To that end, three types of
Hany Ez Farag
exaly   +3 more sources

Phasor Measurement Sensor-Based Angular Stability Retention System for Smart Power Grids With High Penetration of Microgrids

open access: closedIEEE Sensors Journal, 2018
Emerging phasor measurement sensor (PMS) technology is revolutionizing conventional power grids to smart power grids (SPGs). This also paves the way for deregulations in energy market and wide area infusion of distributed energy-based systems like microgrids (MGs).
Dusmanta Kumar Mohanta   +1 more
exaly   +3 more sources

From Microgrids to Smart Grids: Modeling and simulating using graphs part II optimization of reactive power flow

open access: closed2010 12th International Conference on Optimization of Electrical and Electronic Equipment, 2010
The Smart Grid of the future will be created starting from Smart Microgrids. The modeling of Microgrids and the simulations of their real time steady state status is presented in the paper. The model is created using graphs. This paper continues a previous one [1], which dealt with the active power flow.
C. Marinescu   +3 more
exaly   +3 more sources

From Microgrids to Smart Grids: Modeling and simulating using graphs. Part I active power flow

open access: closed2010 12th International Conference on Optimization of Electrical and Electronic Equipment, 2010
The Smart Grid of the future will be created starting from Smart Microgrids. The modelling of Microgrids and the simulations of their real time steady state status is presented in the paper. The model is created using graphs. A Windows type application created based on the model is presented.
C. Marinescu   +3 more
exaly   +3 more sources

GLAD: A Method of Microgrid Anomaly Detection Based on ESD in Smart Power Grid

open access: closed2020 IEEE International Conference on Power, Intelligent Computing and Systems (ICPICS), 2020
A microgrid is defined as a group of interconnected loads and distributed energy resources, that the electrical loads fluctuate with respect to the grid. When focusing on load anomaly in microgrid, different from the traditional centralized grid (macrogrid), a method of microgrid anomaly detection based on the extreme studentized deviate(ESD) test, is ...
Qiyu Wei   +6 more
openaire   +2 more sources

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