DC Micro Grid System

TitleDC Micro Grid System
Publication TypeJournal Article
Year of Publication2012
AuthorsAyai N, Hisada T, Miyoshi H
JournalSEI Technical Review
Keywordsdc distribution network, micro grid, redox flow battery
AbstractA DC micro grid system has been proposed as a power network that enables the introduction of a large amount of solar energy using distributed photovoltaic generation units. To test the feasibility of the system, we have developed a demonstration facility consisting of silicon photovoltaic (Si-PV) units, copper indium gallium (di)selenide photovoltaic (CIGS-PV) units, concentrator photovoltaic (CPV) units, an aerogenerator, and a redox flow battery. The redox flow battery, a key component for supply-demand adjustment in the micro grid system, successfully balanced supply and demand in the grid by its rapid charge-discharge ability even under the fluctuating condition of power generation and consumption. Keywords: