Mathematical Problems in Engineering / 2014 / Article / Fig 4

Research Article

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

Figure 4

The negative impacts caused by filtering-resulted time delay on FCS-MPC.
351814.fig.004a
(a) Time delay depends on the cut-off frequency (1-order low-pass filter)
351814.fig.004b
(b) The input current waveforms (3.0 A/div) with cut-off frequency 1 kHz (upper figure) and 20 kHz (lower figure), respectively