What question did this study set out to answer?

This research aims to develop a voltage control protocol for microgrids that addresses time delays and settling time.

January 6, 2026Journal of Renewable and Sustainable Energy0 citations

Distributed fixed-time stability criteria for time-delayed microgrid voltage consensus

Key Points

This research aims to develop a voltage control protocol for microgrids that addresses time delays and settling time.
Designed a distributed secondary voltage control protocol with delay compensation.
Utilized a fixed-time consensus algorithm and Artstein model reduction method.
Established a new theorem of fixed-time stability using extreme value theory.
Derived more accurate time bound estimates considering delay compensation effects.
Demonstrated an effective settling time for microgrid voltage consensus.
Verified theoretical results through MATLAB/Simulink simulations.

Abstract

The settling time is an important performance index for microgrid control systems. In this paper, a distributed secondary voltage control protocol with delay compensation is designed using a fixed-time consensus algorithm and Artstein model reduction method. Besides, by using extreme value theory and reduction to absurdity, a new theorem of fixed-time stability is established, and a more accurate and less conservative time bound settling of estimation is first derived. Some valuable conclusions considering the delay compensation and switching communication topologies' effects are also provided. Finally, the correctness of our derived theoretical results has been verified in MATLAB/Simulink.

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