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Safety considerations for the operation of bipolar DC-grids

 
: Kaiser, J.; Gosses, K.; Ott, L.; Han, Y.; Wunder, B.; März, M.; Schork, F.; Bühler, K.; Böhm, T.

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Institute of Electrical and Electronics Engineers -IEEE-; IEEE Power Electronics Society:
39th IEEE International Telecommunications Energy Conference, INTELEC 2017 : 22-26 October 2017, Gold Coast, Queensland, Australia
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5386-1019-0
ISBN: 978-1-5386-1018-3
ISBN: 978-1-5386-1020-6
pp.327-334
International Telecommunications Energy Conference (INTELEC) <39, 2017, Gold Coast>
English
Conference Paper
Fraunhofer IISB ()

Abstract
DC 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.

: http://publica.fraunhofer.de/documents/N-502451.html