Multi-Frequency State-Space Model of MMC-HVDC System for Design-Oriented Stability Analysis
作者： Dongsheng Yang , Xiongfei Wang , Wilhelm Winter , Mario Ndreko
DOI: 10.1109/IPEMC-ECCEASIA48364.2020.9367899
关键词:
摘要: The frequency-coupling dynamics of the modular multilevel converter (MMC) complicate stability analysis and controller design MMC-based high-voltage direct current (HVDC) transmission systems. In this paper, a multi-frequency state-space model MMC with closed-loop control system is established, which allows to identify critical oscillation modes their sensitivities parameters, thus provides design-oriented analysis. mathematical relationships between models in different frames are bridges gap power stage that asymmetrical loops. Design-oriented then performed based on generic MMC-HVDC model, confirms effectiveness modeling techniques.
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