Modes of operation of microgrids

Abstract

DC grids are resurging in commercial, industrial and residential applications due to the development and deployment of renewable DC power sources and the advantage for DC loads. It was suggested to combine DC Micro Grid with the various distributed generators. However, AC sources must be converted to DC before connecting to a DC grid, and conventional AC loads require DC / AC inverters. When the renewable energy sources can provide power at all costs. Long-distance HV transmission is no longer required.
Keywords: AC, DC, microgrid, renewable energy, PHEV, synchronization, inverter, dump load, BPD