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A universal controller for grid-connected voltage-source converters
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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10
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IEEE Journal of Emerging and Selected Topics in Power Electronics, Volume 9, issue 5, pp. 5761-5770
Abstract
The power-synchronization control (PSC) and vector current control (VCC), the latter including cascaded outer loops, are, respectively, considered to be grid-forming and grid-following schemes. They have significant structural differences. Despite that, it is here shown that the two schemes can be unified by making a series of minor modifications to PSC. This results in a universal controller, allowing various combinations of the two schemes to be explored. Fundamentally, it allows PSC to be used as a guideline for a robust VCC design, permitting stable and well-performing operation irrespective of the grid strength.
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Harnefors, L, Kukkola, J, Routimo, M, Hinkkanen, M & Wang, X 2021, 'A universal controller for grid-connected voltage-source converters', IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 5, pp. 5761-5770. https://doi.org/10.1109/JESTPE.2020.3039407