PLL Synchronization Stability Analysis of MMC-Connected Wind Farms Under High-Impedance AC Faults
نویسندگان
چکیده
This article analyzes the transient stability of an offshore wind farm connected via modular multilevel converter (MMC)-based high-voltage direct-current transmission system. The is composed by full-scale type-4 turbines, whereas short-circuit faults occurring in between MMC and are considered. tends to be switched current limiting mode or overmodulation during ac-side fault, which further interacts with control systems complicating problem Hence, this work parametric impacts phase-locked loop turbine converters over-current/-modulation limiters revealed analytically, corroborated time-domain simulations.
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ژورنال
عنوان ژورنال: IEEE Transactions on Power Systems
سال: 2021
ISSN: ['0885-8950', '1558-0679']
DOI: https://doi.org/10.1109/tpwrs.2020.3025917