148899 20250123152145.0 doi 10.1016/j.renene.2012.02.024 sideral 74186 ART-2012-74186 eng El Halabi, N. Universidad de Zaragoza Distributed Generation Network Design Considering Ground Capacitive Couplings 2012 Distributed Generation (DG) systems using power-electronics-based grid interfaces magnify the problem of ground capacitive couplings in modern distribution networks. The application of simplified models to DG installations neglects the current distortion, potential rise, and losses in the system as consequence of the capacitive coupling within the installation. These capacitive couplings represent a leakage impedance loop for the capacitive currents imposed by the high-frequency switching of power converters. This paper proposes a suitable method to reproduce this DG harmonic current injection into the distribution network. The capacitive coupling proposed for DG installation with ground is modeled as a parallel resistance and capacitor arrangement, and leads to an accurate approximation to the real operation response of the DG networks. Simulation results are presented together with solutions based on the proposed model to minimize the capacitive ground current in DG networks. Objectives include for meeting typical power quality regulations concerning harmonic distortion, improving safety, and optimizing the efficiency of the installation. info:eu-repo/semantics/closedAccess All rights reserved http://www.europeana.eu/rights/rr-f/ 2.989 2012 ENERGY & FUELS 18 / 80 = 0.225 2012 Q1 T1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion García-Gracia, M. Universidad de Zaragoza (orcid)0000-0002-5727-5705 Comech, M. P. Universidad de Zaragoza (orcid)0000-0002-4133-7553 Oyarbide, O. Universidad de Zaragoza (orcid)0000-0002-4834-940X 5008 785 Universidad de Zaragoza Dpto. Ingeniería Electrón.Com. Área Tecnología Electrónica 5009 535 Universidad de Zaragoza Dpto. Ingeniería Eléctrica Área Ingeniería Eléctrica 5004 605 Universidad de Zaragoza Dpto. Ingeniería Mecánica Área Mec.Med.Cont. y Teor.Est. 45 (2012), 119-127 Renew. energy Renewable Energy 0960-1481 1285094 http://zaguan.unizar.es/record/148899/files/texto_completo.pdf Versión publicada 2625091 http://zaguan.unizar.es/record/148899/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:148899 articulos driver 2025-01-23-14:46:39 ARTICLE