Data-driven optimal voltage performance index tracking in active distribution networks

Pacheco-Cherrez, David S., Guillen, Daniel, Mayo-Maldonado, Jonathan C. and Escobar, Gerardo (2024) Data-driven optimal voltage performance index tracking in active distribution networks. IEEE Transactions on Smart Grid, 15 (5), 4804-4818. (doi:10.1109/TSG.2024.3396435).

Abstract

This paper presents a data-driven dynamic voltage regulation approach that coordinates medium-voltage distributed energy resources (DERs) and distribution static synchronous compensators (D-STATCOMs) in active distribution networks. Using data generated by distribution phasor measurement units (D-PMUs), a data-driven voltage performance index is calculated and a control method is proposed to ensure optimal voltage performance across network nodes. This control method requires minimal data, using only voltage and reactive power measurements to generate control signals. The performance of this approach is validated through simulation tests on IEEE-33 node test feeders, demonstrating efficient voltage regulation under challenging conditions such as solar energy integration, grid faults, and topology changes. The paper also explores additional contributions to system identification and digital twin techniques. This work highlights the potential of data-driven control in distribution networks for effective Volt/Var control, using modern smart-grid technologies for improved grid management.

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