Grid connection considerations for the integration of PV and wind sources

This paper makes suggestions, based on the current grid codes, for different requirements that may be adopted by the transmission system regarding the connection of large wind and photovoltaic power plants to medium and high voltage networks. The main purpose is to present a proposal which harmonizes the requirements for renewable energy sources with electronic interface. Taking into consideration the characteristics of the point of connection, based on the stiffness and other relevant issues as background distortion and hosting capacity, in order to facilitate the integration of RES without compromising the integrity of the transmission and distribution grids.

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