Design of an Adaptive Power System Stabilizer using Robust System-Response Prediction

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Abstract
This paper proposes an adaptive on-line power system stabilizer (PSS) for power systems based on system identification and control. The adaptive PSS based on one-step-ahead-prediction senses the changed dynamics of the system and generates an appropriate control signal for the system to damp low-frequency oscillations under different operating conditions. Performance of the designed PSS is compared with the previously-established stabilizers which demonstrates its superior performance. Another important feature of the designed PSS is its simple linear structure and few number of connection weights which reduces its training time and computational burden and, hence, makes it practically realisable. Moreover, the proposed adaptive control scheme does not require any prior system analysis for the control design and implementation.

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