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Stability Analysis And Design Of Grid-Interactive Power Electronic Converters, Le Kong
Stability Analysis And Design Of Grid-Interactive Power Electronic Converters, Le Kong
Doctoral Dissertations
The increasing penetration of power electronic converters (PECs) can provide high flexibility, full controllability, sustainability, and improved efficiency for future electric power systems. However, it also introduces new challenges since the wide-frequency-band control dynamics of PECs can interact with the power system and result in different types of instability issues. To holistically address the instability issues, several research activities are conducted in this dissertation.
The modular multilevel converter (MMC), which is one of the most common PECs in high- or medium-voltage power systems, is investigated. An improved MMC dc impedance model is developed by considering both the submodule voltage and …