Dominant Instability Mechanism of VSI Connecting to a Very Weak Grid
نویسندگان
چکیده
In this paper, it is identified that unstable weak grid connection of voltage source inverters (VSIs) dominantly caused by the current control. particular, found proportional gain $ k_p$ conventional PI controller cannot balance impact and damping capability especially when a very with short circuit ratio (SCR) < $ 1.3 connected. This issue solved in paper simply restructuring as an IP for will not change tuning method control make VSI indeed connect to rated power injection.
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ژورنال
عنوان ژورنال: IEEE Transactions on Power Systems
سال: 2022
ISSN: ['0885-8950', '1558-0679']
DOI: https://doi.org/10.1109/tpwrs.2021.3115968