Dc -to -ac converter blind spot compensation arrangement and dc -to -ac converter

The utility model provides a dc -to -ac converter blind spot compensation arrangement and dc -to -ac converter relates to motor control field, wherein, the utility model discloses a dc -to -ac converter blind spot compensation arrangement include: electric current collection module for according to acquireing sample current, the module is confirmed to the angle for confirm sample current's rotor -position angle, the transformation of coordinates module for confirm sample current's current vector phase angle, the module is confirmed to phase place delay compensation volume for confirm to be used for compensating filtering delayed phase place delay compensation volume, current phase confirms the module for confirm the sample current phase place, the module is confirmed to the blind spot offset for phase place blind spot offset is confirmed to the root, drive current compensates the module for compensation three -phase inverter drive current. The sample current phase place that adopts such device to acquire is m