Frequency transient control by using state feedback H-infinity filter for power system with single generator

Abd Manaf, Muhammad Taaqif (2021) Frequency transient control by using state feedback H-infinity filter for power system with single generator. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The control strategy and design for a power system is highly crucial in order to produce a stable output. Unstable output frequency can have major effect on the frequency grid and may lead to equipment and infrastructure damage. Tenaga Nasional Berhad (TNB), as the only utility company that handle the electrical power grid and obeys the regulation of The Grid Code [1] in Peninsular Malaysia have set the frequency of power system grid shall be nominally 50 Hz and be controlled within the limits of 49.5 Hz or the tolerance of 1%. This report will present how the frequency transient is controlled by using H-infinity method. In this study, the dynamical frequency quality of the generator will be analysed and controlled by the proposed algorithm and the simulation will be performed by using MATLAB/Simulink. A robust estimation method is employed in order to control the influence of outliers and other disturbance. The experimental results will show how the H-infinity controller differs and has multiple advantages as the secondary controller compared to primary controller

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