Sanhe UARM three-phase unbalance automatic adjustment module is used to solve the low-than-limit, three-phase reactive power unbalance and low power factor caused by the ubiquitous three-phase load imbalance at the end of the low-voltage distribution network. The best choice for the problem; so as to extend the service life of the transformer, increase its effective output capacity, reduce line losses, improve the power quality of the distribution network, and improve the electricity environment.