N-1基準を考慮した分散型電源連系配電系統の最適構成に関する研究

概要

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In the field of electrical power system, various approaches, such as utilization of renewable energy, loss reduction, and so on, have been taken reduce CO_2 emission. So as to work toward this goal, the total number of distributed generators (DGs) using renewable energy and connected into an actual 6.6kV distribution system has been increasing rapidly. The distribution system with many DGs must be operated in terms of system reliability of power supply, power quality, and distribution loss minimization. In this paper, the authors deal with the loss minimum configuration for a distribution system with DGs on the condition that system reliability should be maintained. Followings were the loss minimum configuration of several cases surveyed by the conventional determination method: 1) the configuration without consideration of DGs, 2) the configuration considering output of DGs, 3) the configuration considering N-1 disconnection of DG, and 4) the configuration considering simultaneous disconnection of DGs. We examined the optimal configuration of distribution system with many DGs by putting them in the perspectives of total loss and system reliability.
岐阜工業高等専門学校の論文