Abstract
In this paper, three solutions for the control of voltage in Low Voltage (LV) grids with high photovoltaic (PV) penetration are simulated and compared. The first solution corresponds to the use of distributed PV converters to control voltage in their connection points. In other cases, a centralized control is performed, by using a Static Var Compensator or a transformer with On Load Tap Changer installed inside the MV/LV substation. Benefits on voltage profiles and reduction of losses are shown through simulations carried out on a real grid. The consumption and PV generation profiles come from accurate measurements performed in apartment and office buildings with 1-second time step.
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