Unsolvable power flow - restoring solutions of the electric power network equations. - Luciano V. Barboza; André Arthur Perleberg Lerm; Roberto S. Salgado (ISCAS (5), 2005)

Synchronizing microgrids to the utility through a series compensator. - André Arthur Perleberg Lerm; Luciano Almeida Braatz; Michel F. da Cruz; Tiago Luis Riechel; Sergio Luiz Schubert Severo (PSCC, 2014)