Research on the High Frequency Oscillation of MMC-HVDC Integrated into Renewable Energy System
2021 IEEE Southern Power Electronics Conference (SPEC)（2021）
Abstract
The high frequency oscillation (HFO) of renewable energy integrated into MMC brings serious challenges to the stable operation of power system. This article proposes the mathematical impedance model of MMC with considering control system time delay, sequence component separation, control system. Besides time delay, the main factors of HFO such as SCS, virtual filter of voltage and current, inner-l...
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Key words
high frequency oscillation,mathematical model,sequence component separation,virtual filter,MMC impedance
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