Power Sharing in Island Microgrids

• Type: Article in International Scientific Journal
• Date: 2021-01-15

Authors

Jorge Pinto (Author) FEUP; Adriano Carvalho (Author) FEUP; Vitor Morais (Author) FEUP

Journal

Title: Frontiers In Energy Research

Vol. 8

Pages: 1-14

ISSN: 2296-598X

Publisher: Frontiers Media

Other information

DOI: 10.3389/fenrg.2020.609218

Abstract (EN): 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.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 14