Super sparse matrix rectifier control method and apparatus thereof

The invention discloses a super sparse matrix rectifier control method and the apparatus thereof. The method includes the steps of detecting output voltage or output current through sensors on a real-time basis and making difference with the referential voltage or referential current, obtaining error value e and error change rate e , detecting the grid side voltage and current through sensors on a real-time basis and calculating reactive power parameter Q and voltage phase shift a, the output sliding mode switch function obtained by designing the e and e containing an item for obtaining integration of a hyperbolic tangent function, using the hyperbolic tangent function to design an output sliding mode control relation to further obtain a modulation coefficient m, designing a power factor sliding mode control relation according to the reactive power parameters and the hyperbolic tangent function to further obtain phi i, using a current spatial vector for modulation, using m, phi i and a to determine puls