Synchrophasor Measurement Assisted Control Framework for Voltage Rise Mitigation in Active Distribution Networks

The active distribution networks (ADNs) are facing voltage rise (VR) issues due to massive deployment of distributed generations (DGs). To combat the VR issues, a simple yet effective voltage control framework is required which ensures a network-wide optimal control solution while taking into consideration the important parameters like measurement uncertainties, DG location’s effect and DG reactive power support. To this end, a novel two-stage Synchrophasor Measurement assisted Control Framework (SMCF) is proposed in this paper. Stage-1 detects the real-time status of the voltage rise issues in the network. Upon detection of the VR problem, Stage-2 exploits the output of Stage-1 to compute two novel indices viz., locational opportunity cost (LOC) and locational reactive-power support (LQS), and formulates a multi-objective optimization problem. The proposed control framework thus provides optimal active and reactive power dispatch points for the DGs, which mitigates the VR problem from the network while ensuring minimization of active power curtailment of the DGs and maximum participation of the DGs in reactive power support. A rigorous testing reveals that the proposed method maximizes the DG revenues, mitigates voltage rise and enhances the DG hosting capacity of the network. The superiority of the proposed method has also been demonstrated in contrast to the various variants of supervisory control and data acquisition (SCADA) measurement, advanced metering infrastructure and recent synchrophasor measurement-assisted control frameworks.