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This paper examinesthe results of the distributed generation penetration in large-scalemedium-voltage power distribution networks. The network examined as a studycase consists of twenty one lines fed by three power substations. The injectedpower comes mainly from photovoltaic units. Specifically, the influences of distributed generation on the networkbranch currents, losses and voltage profile as well as on the short-circuitlevel at the medium voltage busbars of the infeeding substations are examined according to international andnational standards.The arising problems are explored and technical solutions are proposed. Thispaper is a pilot application as general conclusions concerning the extendeddistributed generation penetration in real power distribution networks are set out.

KEYWORDS

Distributed Generation Effects; Extended Penetration; Technical Constraints; Thermal Current; Losses; Short-Circuit Level; Voltage Profile

Cite this paper

A. Safigianni, G. Koutroumpezis and A. Spyridopoulos -Distributed Generation Effects on Large-Scale Distribution Networks,- Engineering, Vol. 6 No. 1, 2014, pp. 34-41. doi: 10.4236-eng.2014.61006.





Autor: Anastasia S. Safigianni, George N. Koutroumpezis, Anastasios I. Spyridopoulos

Fuente: http://www.scirp.org/



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