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Nonlinear control methods for power systems: a comparison

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2 Author(s)
Rajkumar, V. ; Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA ; Mohler, R.R.

The design and performance of two nonlinear controllers for power systems is explored in this paper. The designs are based on nonlinear discrete-time predictive control and feedback linearizing control, considering a simplified nonlinear single-machine infinite bus (SMIB) power system model equipped with a series-capacitor controller. Simulations are presented for nonideal conditions such as bounded control, the uncertainties in the chosen model parameters, and the presence of inter-area-type persistent disturbances. The results indicate that superior performance can be obtained using the nonlinear predictive controller when compared with the feedback linearizing controller and a standard linear quadratic regulator

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Control Systems Technology, IEEE Transactions on  (Volume:3 ,  Issue: 2 )