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Operation strategies in distribution systems with high level PV penetration

: Yan, W.; Braun, M.; Appen, J. von; Kämpf, E.; Kraiczy, M.; Ma, C.; Stetz, T.; Schmidt, S.

International Solar Energy Society -ISES-:
30th ISES Biennial Solar World Congress 2011. Vol.2 : Kassel, Germany, 28 August - 2 September 2011
Red Hook, NY: Curran, 2011
ISBN: 978-1-618-39364-7
Solar World Congress (SWC) <30, 2011, Kassel>
Conference Paper
Fraunhofer IWES ()

With the tremendous increase in installed capacity of renewable energy resources in Germany, distribution network operators are facing reverse power flows and voltage violations. Different control approaches for controllable network components and distributed energy units exist to maintain a secure and reliable grid operation. This conference contribution gives an overview of the installed photovoltaic (PV) capacity in Germany, the current challenges regarding grid integration of PV and highlights future operation strategies of distribution sections. Based on the experience gained in current and previous research projects, the additional value of controllable PV systems and controllable network devices is emphasized.