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Study of the impact of PV generation on voltage profile in LV distribution networks

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4 Author(s)
Conti, S. ; Dipt. Elettrico, Elettronico e Sistemistico, Catania Univ., Italy ; Raiti, S. ; Tina, G. ; Vagliasindi, U.

The present paper aims at assessing the effects produced on the distribution system by dispersed generators directly connected to LV networks. In particular, the introduction of photovoltaic (PV) generation systems has been studied, since such systems are the only ones having a natural inclination to be easily integrated into high density urban LV distribution networks. In the proposed study some aspects of the quality of power supplied to the customers will be dealt with taking into consideration slow voltage variations. In this regard the effect of dispersed generation (DG) on the voltage profile of a LV distribution feeder has been examined. With reference to a different kind of load distribution along the line, analytical expressions have been derived to determine the limit value of the power that can be injected into the distribution network without causing overvoltages. These expressions have been developed under some simplifying hypothesis related both to the DG unit and to the distribution network

Published in:

Power Tech Proceedings, 2001 IEEE Porto  (Volume:4 )

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