Aalborg Universitet General Unified Integral Controller with Zero Steady-State Error for Single-Phase Grid- Connected Inverters Guo, Xiaoqiang; Guerrero, Josep M. Published in: I E E E Transactions on Smart Grid DOI (link to publication from Publisher): 10.1109/TSG.2015.2419236 Publication date: 2016 Document Version Early version, also known as pre-print Link to publication from Aalborg University Citation for published version (APA): Guo, X., & Guerrero, J. M. (2016). General Unified Integral Controller with Zero Steady-State Error for Single- Phase Grid-Connected Inverters. I E E E Transactions on Smart Grid, 7(1), 74-83. https://doi.org/10.1109/TSG.2015.2419236 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. ? Users may download and print one copy of any publication from the public portal for the purpose of private study or research. ? You may not further distribute the material or use it for any profit-making activity or commercial gain ? You may freely distribute the URL identifying the publication in the public portal ? Take down policy If you believe that this document breaches copyright please contact us at vbn@aub.aau.dk providing details, and we will remove access to the work immediately and investigate your claim.