METHOD AND DEVICE FOR THE CONTROL OF A THREE-PHASE INVERTER

摘要

The synchronization method comprises the phases of: ~ determining the components of a phasor (I_dq_fis) representing the output current from the inverter in a fixed reference system (DQ); ~ determining the components of the current phasor (I_dq_rot) in a reference system (DQ) rotating at a velocity equal to the velocity of rotation of the phasor representing the grid voltage; ~ comparing the components of the current phasor (I_dc_rot) in the rotating reference system (DQ) with a reference, again expressed in the rotating reference system, to determine an error signal, by means of which said inverter is controlled.