Method and device for the control of a three-phase inverter

H - Electricity – 02 – M

Patent

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Details

H02M 7/44 (2006.01) H02J 3/40 (2006.01) H02M 1/08 (2006.01)

Patent

CA 2535791

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.

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