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MV networks with Dispersed Generation: voltage regulation based on local controllers

pubblicazioni - Articolo

MV networks with Dispersed Generation: voltage regulation based on local controllers

The presence of Dispersed Generation (DG) in MV distribution network affects voltage profile along the feeders, in particular over-voltage at the DG Point of Common Coupling (PCC) may occur. This paper is focused on possible improvements in terms of Hosting Capacity (HC) deriving from a novel voltage regulation approach, involving GD units in order to mitigate overvoltage violations. The proposed approach is based on a modulation of reactive power injected/absorbed by the DG power plants; in particular the proposed control law is based only on local measures. The analysis indicates that the proposed local voltage control may increase the HC of existing networks, moreover the proposed control strategy could minimize the reactive power flows on the distribution network limiting the consequent impact on active power losses

The presence of Dispersed Generation (DG) in MV distribution network affects voltage profile along the feeders, in particular over-voltage at the DG Point of Common Coupling (PCC) may occur. This paper is focused on possible improvements in terms of Hosting Capacity (HC) deriving from a novel voltage regulation approach, involving GD units in order to mitigate overvoltage violations. The proposed approach is based on a modulation of reactive power injected/absorbed by the DG power plants; in particular the proposed control law is based only on local measures. The analysis indicates that the proposed local voltage control may increase the HC of existing networks, moreover the proposed control strategy could minimize the reactive power flows on the distribution network limiting the consequent impact on active power losses

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