Security constrained optimal power flow for HVAC and HVDC grids. - Roger Wiget; Emil Iggland; Göran Andersson (PSCC, 2014)

Probabilistic security constrained optimal power flow for a mixed HVAC and HVDC grid with stochastic infeed. - Roger Wiget; Maria Vrakopoulou; Göran Andersson (PSCC, 2014)

Distributed primary frequency control through multi-terminal HVDC transmission systems. - Martin Andreasson; Roger Wiget; Dimos V. Dimarogonas; Karl Henrik Johansson; Göran Andersson (ACC, 2015)

Distributed secondary frequency control through MTDC transmission systems. - Martin Andreasson; Roger Wiget; Dimos V. Dimarogonas; Karl Henrik Johansson; Göran Andersson (CDC, 2015)