Kaiser, J.J.KaiserGosses, K.K.GossesOtt, L.L.OttHan, Y.Y.HanWunder, B.B.WunderMärz, M.M.MärzSchork, F.F.SchorkBühler, K.K.BühlerBöhm, T.T.Böhm2022-03-142022-03-142017https://publica.fraunhofer.de/handle/publica/40205010.1109/INTLEC.2017.8214157DC microgrids can offer many advantages for an installation in commercial applications like data centers or in private homes. In this paper, future expansion of such grids towards a bipolar architecture (e.g. ±380 VDC) is evaluated. The focus lies on various fault situations, their effects on the grid and possible solutions to maintain grid safety. For this purpose, a laboratory scale bipolar test grid is set up and subjected to ground faults, loss of neutral and load shedding.en670620530conference paper