DC-Side Impedance Interaction Analysis in an MMC-Based Back-to-Back VSC-HVDC System. - Mehrdad Nahalparvari; Mohsen Asoodar; Staffan Norrga; Hans-Peter Nee (IECON, 2021)

AC-Side Impedance-Based Stability Assessment in Grid-Forming Modular Multilevel Converters. - Mehrdad Nahalparvari; Mohsen Asoodar; Staffan Norrga; Hans-Peter Nee (IEEE Access, 2024)