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Power Quality in distribution power networks with photovoltaic energy sources

Abstract

Solar radiation is characterized by short fluctuations introduced by passing clouds. These solar fluctuations will produce Voltage and power fluctuations at the PCC (Point of common coupling). Flicker level should be evaluated by using a flickermeter according to the standard IEC 61000-4-15. Models of the solar fluctuation, photovoltaic modules and power converter are shown in this paper and the flickermeter model is tested according to the IEC requirements and the CIGRE/CIRED/UIE test protocol.This research has been partially supported by the Spanish Ministry of Education and Science under contracts ENE2006- 28503 and ENE2008-06504-C02-01.Publicad

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