Two predictive-control based low-voltage ride-through methods for a grid-tied Inverter: a Finite-Control-Set Model-Predictive-Control or FCS-MPC based LVRT method, and a deadbeat control based LVRT method. Both methods can predict the grid voltage, so no voltage sensor is required. The control can operate with, or without, a phase-lock-loop. A significant cost and design complexity reduction on the grid-tied inverter is realized.
