Local voltage control of PVS in distribution networks

The connection of photovoltaic installations (PV) on a distribution network can cause important variations of voltage. Without regulation to maintain the voltage of the PV within the acceptable limits, that can cause a tripping of the PV. Thus this paper presents a development of a local voltage control based on auto-adaptive voltage control of PVs. This device by using local information permits to facilitate the connection of PVs and to reduce the cost of connection. This solution is able to control voltage not only at the connection point but also everywhere on the grid. The proposed solution is tested for a LV distribution network with presence of different types of PV with satisfied results.