Rivera, Sergio; Leon, Miguel: 'Microgrids in the United States' (Energy Engineering, 2017), 'Clean Energy Microgrids', Chap. 9, pp. 283-311, DOI: 10.1049/PBPO090E_ch9 IET Digital Library, https://digital-library.theiet.org/;jsessionid=5lf2fgg93r8fn.x-iet-live-01content/books/10.1049/pbpo090e_ch9