Power Sharing in Island Microgrids

The growth of local renewable energy sources and heavy loads in power distribution networks, such as the increasing electric vehicles charging stations, causes several issues with a direct impact on the stability of the electrical grid. An attempt to overcome such issues is the microgrid concept, wh...

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Main Authors: Jorge Pinto, Adriano Carvalho, Vitor Morais
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-01-01
Series:Frontiers in Energy Research
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fenrg.2020.609218/full
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author Jorge Pinto
Adriano Carvalho
Vitor Morais
author_facet Jorge Pinto
Adriano Carvalho
Vitor Morais
author_sort Jorge Pinto
collection DOAJ
description The growth of local renewable energy sources and heavy loads in power distribution networks, such as the increasing electric vehicles charging stations, causes several issues with a direct impact on the stability of the electrical grid. An attempt to overcome such issues is the microgrid concept, which has the grid structured into local sub-grids that manage their power and energy balancing. A microgrid may operate connected or disconnected from the main grid, being dynamically necessary to guarantee a power balancing between local loads and sources. Furthermore, as several power units are connected to the same microgrid, equity is also required in terms of power sharing. Current work explores a scenario of an island operation of a microgrid with multiple sources, including battery storage systems and sharing power with multiple loads, including electric vehicle chargers, a scenario appropriated to a city grid. A local control solution for a stable operation of the microgrid in terms of both power balancing and power sharing is presented and validated through numerical and experimental results.
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spelling doaj.art-9c973f0310cc46d4907ee725ec7518a02022-12-21T22:01:39ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2021-01-01810.3389/fenrg.2020.609218609218Power Sharing in Island MicrogridsJorge PintoAdriano CarvalhoVitor MoraisThe growth of local renewable energy sources and heavy loads in power distribution networks, such as the increasing electric vehicles charging stations, causes several issues with a direct impact on the stability of the electrical grid. An attempt to overcome such issues is the microgrid concept, which has the grid structured into local sub-grids that manage their power and energy balancing. A microgrid may operate connected or disconnected from the main grid, being dynamically necessary to guarantee a power balancing between local loads and sources. Furthermore, as several power units are connected to the same microgrid, equity is also required in terms of power sharing. Current work explores a scenario of an island operation of a microgrid with multiple sources, including battery storage systems and sharing power with multiple loads, including electric vehicle chargers, a scenario appropriated to a city grid. A local control solution for a stable operation of the microgrid in terms of both power balancing and power sharing is presented and validated through numerical and experimental results.https://www.frontiersin.org/articles/10.3389/fenrg.2020.609218/fullmicrogridislandparallel converterspower sharingdroop controlBattery
spellingShingle Jorge Pinto
Adriano Carvalho
Vitor Morais
Power Sharing in Island Microgrids
Frontiers in Energy Research
microgrid
island
parallel converters
power sharing
droop control
Battery
title Power Sharing in Island Microgrids
title_full Power Sharing in Island Microgrids
title_fullStr Power Sharing in Island Microgrids
title_full_unstemmed Power Sharing in Island Microgrids
title_short Power Sharing in Island Microgrids
title_sort power sharing in island microgrids
topic microgrid
island
parallel converters
power sharing
droop control
Battery
url https://www.frontiersin.org/articles/10.3389/fenrg.2020.609218/full
work_keys_str_mv AT jorgepinto powersharinginislandmicrogrids
AT adrianocarvalho powersharinginislandmicrogrids
AT vitormorais powersharinginislandmicrogrids