I. H. Baek, Y. S. Oh, J. Han, D. U. Kim, G. H. Gwon, C. M. Kim, H. S. kim, C. H. Kim,
                           2015, Analysis of Fault Characteristics by the Type of Grounding Scheme in Low Voltage
                           DC Distribution System, Journal of the Korean Institute of Illuminating and Electrical
                           Installation Engineers, Vol. 29, No. 1, pp. 103-112
