Patent ID: 11936310
Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The control device for the three-phase AC system according to claim 16, wherein the error regulation unit comprises:
a harmonic control module configured to perform closed-loop control on the error signal in each of the coordinate systems to obtain electric potential instructions corresponding to the multiple coordinate systems;
a coordinate transformation module configured to perform the coordinate transformation on the electric potential instructions to obtain multiple harmonic electric potentials in a two-phase stationary coordinate system; and
a calculation module configured to add up the multiple harmonic electric potentials in the two-phase stationary coordinate system and then perform two-phase stationary/three-phase stationary coordinate transformation to obtain the harmonic compensation electric potential.