Notch-Filter-Based Control Strategy to Extend Stability Limits of LCL-Filtered Grid-Connected Inverters

The stable connection of energy sources to the grid via LCL-filtered inverters is often constrained by delays introduced by digital implementation and DPWM modulation. This paper proposes a novel notch-filter-based compensation strategy that explicitly mitigates such delays, extending the stability...

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Autors principals:	James N. Silva, Filipe A. da C. Bahia, Andre P. N. Tahim, Darlan Alexandria Fernandes, Fabiano Fragoso Costa
Format:	Artigo
Idioma:	Inglês
Publicat:	Associação Brasileira de Eletrônica de Potência 2026-03-01
Col·lecció:	Eletrônica de Potência
Matèries:	Grid-connected inverter LCL filter Nyquist stability criterion Active damping Hardware-in-the-Loop
Accés en línia:	https://journal.sobraep.org.br/index.php/rep/article/view/1077
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