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Synergy of photovoltaic generators and Electric Vehicles in a low voltage distribution grid

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4 Author(s)
Calero Lagares, J.L. ; Dept. of Electr. Eng., Univ. of Sevilla, Sevilla, Spain ; Roldan Fernandez, J.M. ; Burgos Payan, M. ; Riquelme Santos, J.M.

The foreseeable evolution of electric networks within the next years walks towards a progressive and increasing use of Distributed Generation (DG), specially small clustered photovoltaic (PV) inverters on building rooftops thanks to the economic support in many countries, such as Spain. Plugged-in Electric Vehicle (EV) should be considered as well, having seen the big interest of the automotive industry on it. The separated introduction of these two elements may create benefits but also risks, both economical and technical. As benefits, the improvement of voltage profile along feeders and losses decrease. Overloading at equipments, excessive voltage raise or drop, increasing losses or the mandatory equipments reinforcement in order to satisfy the new requirements should be considered as possible risks. Quality of electrical supply must also be considered. This paper discusses the synergy of the coordinated introduction of both elements which would compensate the caused damages of the separated addition.

Published in:

PowerTech, 2011 IEEE Trondheim

Date of Conference:

19-23 June 2011