Abstract
The modification and modernization processes of the electrical networks, which aim to decarbonize and decentralize the power generation, have introduced new components in secondary distribution networks. Photovoltaic (PV) microgenerators and electric vehicles (EV) are highlighted components to reach environmental objectives. However, high PV microgeneration and EV penetration cause technical and economic problems on secondary distribution networks, mainly related to steady-state voltage variation. In this context, this paper proposes a probabilistic economic analysis approach based on steady-state voltage level compliance indicators for low voltage (LV) distribution networks with high PV and EV penetration. The Brazilian National for Electrical Energy (ANEEL) establishes limits for steady-state voltage indicators, known as relative duration of precarious voltage transgression (DRP) and relative duration of critical voltage transgression (DRC). Monte Carlo simulations were carried out to evaluate PV generation and EV demand uncertainties. The proposed approach was tested on a real LV distribution network, and costs by by DRP and DRC indicators increase under high PV and EV penetration.
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