Nikoobakht, Ahmad Aghaei, Jamshid Niknam, Taher Vahidinasab, Vahid Towards Robust Opf Solution Strategy for Future Ac/Dc Grids: Case of Vsc-Hvdc-Connected Offshore Wind Farms - 691-701 p. Subjects--Topical Terms: Wind FarmsPower System OperationHigh Penetration