Advanced voltage regulation method at the power distribution systems interconnected with dispersed storage and generation systems

DSG's (Dispersed Storage and Generation Systems) into the power distribution systems impact on the conventional voltage regulation method. Therefore, there is possibility that the customers' voltage violate the permissible limits. In this paper, we propose the MLDC (Multiple Line Drop Compensation) voltage regulation method which considering the unbalanced load diversity among feeders, the operations of DSG's, and the hysterical tap changing mechanism of ULTC (Under Load Tap Changer). The result from a case study shows that the proposed MLDC method can be practically applied to the voltage regulation method at the power distribution system interconnected with DSG's and severely unbalanced load diversity among feeders.