alexa Suboptimal Automatic Generation Control of Interconnected Power System Using Output Vector Feedback Control Strategy


Journal of Electrical & Electronic Systems

Author(s): Ibraheem Nasiruddin, Prabhat Kumar, Naimul Hasan, Nizamuddin

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This article presents the sub-optimal automatic generation control regulator designs of a two-area interconnected power system using output feedback control strategy. The power system consists of identical plants with reheat thermal turbines and is interconnected via parallel AC/DC links. Efforts have been made to propose sub-optimal automatic generation control regulators based on the feedback of output state variables, which may easily be accessible and available for measurement. In addition, the proposed regulators are designed using a modified area control error, which incorporates the DC tie-line power deviation in the modeling of area control errors. The system dynamic performance has been investigated with the implementation of designed sub-optimal automatic generation control regulators in the wake of 1% load disturbance in one of the two areas. Also, system dynamic responses with optimal automatic generation control regulators for the same power system model are obtained to compare the system dynamic response obtained with the proposed sub-optimal automatic generation control regulators.

This article was published in Electric Power Components and Systems and referenced in Journal of Electrical & Electronic Systems

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