Morel, Jorge: 'Microgrids in Japan' (Energy Engineering, 2017), 'Clean Energy Microgrids', Chap. 7, pp. 233-257, DOI: 10.1049/PBPO090E_ch7
IET Digital Library, https://digital-library.theiet.org/;jsessionid=21x957d571ixm.x-iet-live-01content/books/10.1049/pbpo090e_ch7