Details

Autor(en) / Beteiligte

• Heydari, Rasool
• Young, Hector
• Flores-Bahamonde, Freddy
• Vaez-Zadeh, Sadegh
• Gonzalez-Castano, Catalina
• Sabzevari, Sanaz
• Rodriguez, Jose

Titel

Model-Free Predictive Control of Grid-Forming Inverters With LCL Filters

Ist Teil von

• IEEE transactions on power electronics, 2022-08, Vol.37 (8), p.9200-9211

Ort / Verlag

IEEE

Erscheinungsjahr

2022

Quelle

IEEE Electronic Library (IEL)

Beschreibungen/Notizen

• With the increasing penetration of distributed energy resources into islanded microgrids, a grid-forming inverter (GFI) has become the key element interfacing renewable energy sources. Usually, the GFI is employed with an output filter to minimize the harmonic content achieving high-quality output voltage regulation. To this end, model-predictive control (MPC) has been widely proposed to control the output voltage of GFI systems due to the high-quality performance, fast control response, and straightforward handling of constraints. However, an accurate model of the system is required for the conventional MPC to avoid a suboptimal performance under uncertainties. To overcome this known drawback, a novel model-free predictive control is proposed in this article. Consequently, the output voltage of an <inline-formula><tex-math notation="LaTeX">LCL</tex-math></inline-formula>-filtered GFI is regulated without the knowledge of the physical model.