Work

Robust H∞ control for master-slave power converters in renewable energy systems

Year: 2025

Type: article

Abstract: This paper proposes a robust H∞ control techniques to enhancing the stability and performance of master-slave power converters in renewable energy systems. Often, the microgrid's parameters vary continuously due to the changes in generation patterns, load fluctuations, and grid impedance uncertainties. The proposed method presents a mathematical analysis and derivation of the H∞ controller for the master-slave converters that can face the parameter uncertainty and external disturbances. The detailed modeling and simulation of the system were illustrated and validated using the MATLAB toolbox and SIMULINK. The simulation results show that the designed H∞ controller outperforms conventional PI control in all tested scenarios, in terms of time and frequency responses. The proposed controller shows superior dynamic performance, as compared with the PI controller, by reducing the rise and settling times by about 60% and 80%, respectively, with the absence of overshoot and undershoot. Besides, the disturbance rejection performance shows an enhancement in transient time, settling time, and peak deviation by about 56%, 55%, and 66%, respectively. Obviously, the H∞ controller can maintain precise voltage regulation, perform accurate power control, and have robust stability margins even under severe parameter variations.

Source: e-Prime - Advances in Electrical Engineering Electronics and Energy

DOI: 10.1016/j.prime.2025.101104

Authors: Hawraa Q. Hameed, Fadhil A. Hasan, Lina J. Rashad

Institution: University of Technology - Iraq

Language: English

Topic: Microgrid Control and Optimization

Subfield: Control and Systems Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Affordable and clean energy, Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $1,400