AUTHOR=Sanaei Mehdi , Akbari Hamidreza , Beheshtipour Zohreh , Mousavi Somayeh TITLE=Unbalance mitigation strategy and power quality improvement in microgrids using a state feedback controller and voltage profile improvement with an electric spring JOURNAL=Frontiers in Energy Research VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1545147 DOI=10.3389/fenrg.2025.1545147 ISSN=2296-598X