SHI, Fang; WANG, Jie. The HVDC Supplementary Control for AC/DC Interconnected Power Grid Based on Hamilton Energy Function Theory. Elektronika ir Elektrotechnika, [S. l.], v. 20, n. 4, p. 15–21, 2014. DOI: 10.5755/j01.eee.20.4.4230. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/4230.. Acesso em: 8 feb. 2026.