Conference paper Open Access

Simulation Tool for Techno-Economic Analysis of Hybrid ACDC Low-Voltage Distribution Grids

Fuchs, Nina; Jambrich, Gerhard; Brunner, Helfried

Partial operation of the distribution grid in DC instead of AC has been identified as a possible strategy for cost-effective management of future grid scenarios driven by international decarbonisation goals. By applying a simulation tool for techno-economic analysis on synthetic test grid models, it has been shown that the conversion of AC low-voltage grid feeders to DC is a suitable solution to mitigate overloading and decrease voltage fluctuations caused by, inter alia, integration of electric vehicles (EVs), photovoltaic systems (PV) or increased energy demand. Cost models were applied to the simulation results. The economical findings indicate that the implementation of DC in low-voltage grids can be financially beneficial, especially when future developments and learning curves of DC technologies are considered.

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