Results 31 to 40 of about 17,925 (210)

A Survey on Electric Power Demand Forecasting: Future Trends in Smart Grids, Microgrids and Smart Buildings

open access: yesIEEE Communications Surveys & Tutorials, 2014
Recently there has been a significant proliferation in the use of forecasting techniques, mainly due to the increased availability and power of computation systems and, in particular, to the usage of personal computers. This is also true for power network systems, where energy demand forecasting has been an important field in order to allow generation ...
Hernandez, Luis   +6 more
openaire   +3 more sources

Fractional Order Control of Power Electronic Converters in Industrial Drives and Renewable Energy Systems: A Review

open access: yesIEEE Access, 2021
The power electronics industry is undergoing a revolution driven by an industry 4.0 perspective, with smart and green/hybrid energy management systems being the requirement of the future.
Preeti Warrier, Pritesh Shah
doaj   +1 more source

An Evolutionary Computational Approach for the Problem of Unit Commitment and Economic Dispatch in Microgrids under Several Operation Modes [PDF]

open access: yes, 2019
In the last decades, new types of generation technologies have emerged and have been gradually integrated into the existing power systems, moving their classical architectures to distributed systems.
Alvarado Barrios, Lázaro   +4 more
core   +1 more source

Design and control of parallel three phase voltage source Inverters in low voltage AC microgrid [PDF]

open access: yes, 2017
Design and hierarchical control of three phase parallel Voltage Source Inverters are developed in this paper. The control scheme is based on synchronous reference frame and consists of primary and secondary control levels. The primary control consists of
Krami, Nissrine   +4 more
core   +3 more sources

Software-Defined Power Grids: A Survey on Opportunities and Taxonomy for Microgrids

open access: yesIEEE Access, 2021
Future generation power grids will require the introduction and deployment of distributed energy resources to meet modern-day load requirements. Consequently, we expect to see a rise in microgrids (MGs) existing as part of the main grid (grid-connected ...
Musa Ndiaye   +3 more
doaj   +1 more source

Voltage-based droop control of renewables to avoid on-off oscillations caused by overvoltages [PDF]

open access: yes, 2013
To achieve the environmental goals set by many governments, an increasing amount of renewable energy, often delivered by distributed-generation (DG) units, is injected into the electrical power system.
De Kooning, Jeroen   +3 more
core   +1 more source

Smart transformer/large flexible transformer

open access: yesCES Transactions on Electrical Machines and Systems, 2020
Solid-state transformer-based smart transformer (ST) can provide the dc connectivity and advanced services to improve the grid performance and to increase the penetration of the power electronics interfaced resources (e.g., distributed generators and ...
Rongwu Zhu   +3 more
doaj   +1 more source

Development of a smart transformer to control the power exchange of a microgrid [PDF]

open access: yes, 2013
A smart transformer enables to control the power exchange between a microgrid and the utility network by controlling the voltage at the microgrid side within certain limits.
De Kooning, Jeroen   +3 more
core   +1 more source

Power-Based Droop Control in DC Microgrids Enabling Seamless Disconnection From Upstream Grids [PDF]

open access: yes, 1997
This paper proposes a local power-based droop controller for distributed energy resource converters in dc microgrids that are connected to upstream grids by grid-interface converters.
Atherton, C.   +23 more
core   +1 more source

DC Microgrid Technology: System Architectures, AC Grid Interfaces, Grounding Schemes, Power Quality, Communication Networks, Applications, and Standardizations Aspects

open access: yesIEEE Access, 2017
To meet the fast-growing energy demand and, at the same time, tackle environmental concerns resulting from conventional energy sources, renewable energy sources are getting integrated in power networks to ensure reliable and affordable energy for the ...
Dinesh Kumar, Firuz Zare, Arindam Ghosh
doaj   +1 more source

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