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|Title:||Design of power system stabiliser for single-machine system using robust periodic output feedback controller|
|Publisher:||INST ENGINEERING TECHNOLOGY-IET|
|Citation:||IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION, 150(2), 211-216|
|Abstract:||Power system stabilisers (PSS) are added to excitation systems to enhance the damping of low-frequency oscillations. The design of PSS for a single machine connected to an infinite bus using periodic output feedback is proposed. The non-linear model of a machine is linearised at different operating points and 16 linear plant models are obtained. For each of these plants an output injection gain is obtained using the LQR technique. A robust periodic output feedback gain which realises these output gains is obtained using an LMI approach. This robust periodic output control is applied to a non-linear plant model of the machine at different operating (equilibrium) points. This method does not require the complete set of states of the system for feedback and is easily implementable.|
|Appears in Collections:||Article|
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