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Fractional-order proportional-integral-differential (FOPID) controller is a generalization of PID controller employing fractional calculus. In this paper, FOPID power system stabilizer (FOPID-PSS) called PIλDμ-PSS is introduced to improve damping of electromechanical (EM) low frequency oscillations (LFOs) in a multi-machine power system. FOPID-PSS design is formulated as a nonlinear optimization problem...
This paper presents a simple method for detection of commutation instants of the extensively used low power brushless DC motors. In the proposed method the commutation signals are obtained without any phase shift circuit which is required in the conventional sensorless control methods. So the overall cost is decreased and the sensorless control is easy to be implemented. In the proposed method, instead...
Current paper introduces a novel structure for power system stabilizer (PSS) using mixed of proportionalintegral-differential (PID) controller and IEEE type PSS2B. Proposed PID-PSS2B is designed in coordination with thyristor controlled series capacitor (TCSC)-based power oscillation damping (POD) controller to enhance power system small-signal stability. Although the coordinated design of conventional...
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