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Validation of a new modal performance measure for flexible controllers design

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4 Author(s)
Simo, J.B. ; Dept. of Electr. Eng., Laval Univ., Que., Canada ; Kamwa, I. ; Trudel, G. ; Tahan, S.-A.

A new modal performance measure for power system stabilizer (PSS) optimization is proposed in this paper. The new method is based on modifying the square envelopes of oscillating modes, in order to take into account their damping ratios while minimizing the performance index. This criteria is applied to flexible controllers optimal design, on a multi-input-multi-output (MIMO) reduced-order model of a prototype power system. The multivariable model includes four generators, each having one input and one output. Linear time-response simulation and transient stability analysis with a nonlinear package confirm the superiority of the proposed criteria and illustrate its effectiveness in decentralized control

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Power Systems, IEEE Transactions on  (Volume:11 ,  Issue: 2 )