ADAPTIVE NON-LINEAR VOLTAGE CONTROLLER BASED MULTIVARIABLE SLIDING MODE EXTREMUM SEEKING APPROACH APPLIED TO MULTI-MACHINE POWER SYSTEM
DOI:
https://doi.org/10.59277/Keywords:
Voltage regulation, transient stability enhancement, adaptive controller, Multivariable sliding extremum seeking, Multimachines power system, Online gain adjustmentAbstract
The goal of this work is to construct an adaptive nonlinear voltage control law using a multivariable sliding extremum seeking (SES) technique. The developed scheme is applied to ensure the transient stability enhancement and the voltage regulation of the multi-machine power system. This control scheme can be depicted as an intelligent adaptive controller. It is a non-model-based method since the multivariable SES approach tunes online the gains of the nonlinear voltage controller based on the minimization of a cost function without needing knowledge of the nonlinear model of the multi-machine power system. This cost function represents the performance of the system. The efficiency and effectiveness of the proposed approach are discussed through different multi-machine power systems under different disturbances, initials conditions, and system configurations.
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