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Due to the diversity of distributed generators (DGs) such as a photovoltaic power generation system, a fuel cell, a micro gas turbine, etc., the control of the future distribution system is expected to be complicated. We have proposed a new control scheme of DGs utilizing the information on the other load buses and/or other DGs to improve the system reliability, and demonstrated new technical advantages over the conventional system. In this paper, we focused on the load leveling, where DGs compensate the load fluctuation of the distribution system by their autonomous control. We proposed a new control scheme of DGs utilizing the information on the power flow at the distribution substation and their own load bus. The simulation using a simple distribution system model with 3 load buses revealed that the load fluctuations were suppressed successfully when the control parameters were tuned according to the load fluctuation patterns.
Transmission and Distribution Conference and Exhibition 2002: Asia Pacific. IEEE/PES (Volume:3 )
Date of Conference: 6-10 Oct. 2002