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Active Disturbance Rejection Control for LFC with Renewable Integration

Authors: Sergio A. Dorado-Rojas ([email protected]), John Cortés-Romero ([email protected]), Sergio Rivera ([email protected]) and Eduardo Mojica-Nava ([email protected])

Cite this Work

Dorado-Rojas, S. A., Cortés-Romero, J., Rivera, S., & Mojica-Nava, E. (2019, June). ADRC for Decentralized Load Frequency Control with Renewable Energy Generation. In 2019 IEEE Milan PowerTech (pp. 1-6). https://ieeexplore.ieee.org/document/8810873

Contact

For pulling, contact Sergio A. Dorado-Rojas ([email protected])

Abstract

This work presents an application of Active Disturbance Rejection Control (ADRC) in a secondary frequency regulation problem with an active participation of renewable photovoltaic and wind generators. This problem is known as Load Frequency Control (LFC). The ADRC technique uses a reduced set of information of the model by grouping the effects of non-modeled dynamics, exogenous disturbances, and parameter uncertainties into a generalized equivalent disturbance, which in this case is estimated by an Extended-State Observer. This makes it possible to design a decentralized controller that achieves the bifold control objective of a secondary LFC strategy in each area. The proposed controller is able to regulate the frequency of each area and the tie-line power exchanges in presence of several load disturbances. The simulation scenarios validate the control proposal and show the flexibility and advantages of the application of ADRC-based control techniques as decentralized solutions to an LFC problem.