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Data-Driven Secondary Voltage Control Design using PMU Measurements

This paper shows the design of data-driven secondary voltage control (SVC) using synchrophasor measurements to eliminate voltage violations in electric power systems. A closed-loop strategy is carried out with the participation of the available generators, to increase the utilization of their reactive power capability and decrease the need for additional reactive power sources. A decentralized PID controller is used to perform the closed-loop control, and their parameters are tuned by the MIMO Virtual Reference Feedback Tuning (VRFT) approach using only I/O data (without any system model information). The proposed VRFT-SVC strategy was applied to the benchmark IEEE 39 bus system, and robust performance was achieved under two distinct disturbances.