An Observer-Based Finite Control Set Model Predictive Control for Three-Phase Power Converters

Figure 9

Experimental waveforms of the filter time delay observer.

(a) Waveforms of α-axis currents 𝑖_𝛼, 𝑖_𝛼𝑓, and 𝑖_𝛼̂  (3.0 A/div) before and after the adding of the estimated results

(b) Three-phase currents 𝑖_𝑎, 𝑖_𝑏, and 𝑖_𝑐 (3.0 A/div) before and after the adding of the estimated results