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Active, intelligent low voltage networks - concept, realisation and field test results

: Geibel, D.; Degner, T.; Seibel, A.; Bülo, T.; Tschendel, C.; Pfalzgraf, M.; Boldt, K.; Müller, P.; Sutter, F.; Hug, T.


22nd International Conference and Exhibition on Electricity Distribution, CIRED 2013. USB-Stick : 10-13 June 2013, Stockholm
London: IET, 2013
ISBN: 978-1-84919-732-8 (USB-Stick)
Paper 0819, 4 S.
International Conference and Exhibition on Electricity Distribution (CIRED) <22, 2013, Stockholm>
Fraunhofer IWES ()

This paper focuses on voltage control strategies applied in active, intelligent low voltage (LV) networks. The aim of these advanced methods is the realisation of a cost-effective integration of high shares of distributed generation by an optimal utilisation of already available network capacities. Newly developed components (a MV/LV transformer with OLTC, adjustable PV-inverters and an intelligent control unit of the LV network) required for this active, intelligent LV network are described. The components are integrated in a rural LV network with an already high penetration of PV. Different system concepts and operating modes will be tested within this setup. First results are shown and discussed.