Nguyen, T L, Guerrero, J M & Griepentrog, G 2020, ' A Self-Sustained and Flexible Control Strategy for Islanded DC Nanogrids without Communication Links ', IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 1, 8625458, pp. 877-892 . https://doi.org/10.1109/JESTPE.2019.2894564