Dragicevic, Tomislav; Anvari-Moghaddam, Amjad; Vasquez, Juan C.; Guerrero, Josep M.: 'DC distribution systems and microgrids' (Energy Engineering, 2017), 'Large Scale Grid Integration of Renewable Energy Sources', Chap. 7, pp. 211-244, DOI: 10.1049/PBPO098E_ch7
IET Digital Library, https://digital-library.theiet.org/;jsessionid=3s0fnsntfjkfk.x-iet-live-01content/books/10.1049/pbpo098e_ch7