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Ιδρυματικό Αποθετήριο [SANDBOX]
Πολυτεχνείο Κρήτης
Πολυτεχνείο Κρήτης
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| URI: | http://purl.tuc.gr/dl/dias/306F25CC-C4D6-48AA-AF80-8251F6703FDF | ||
| Έτος | 2016 | ||
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | ||
| Άδεια Χρήσης |
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| Βιβλιογραφική Αναφορά | D. I. Pappas, V. A. Boglou and S. K. Goumas, "Discrete optimal multirate techniques for excitation controller design of a synchronous machine," J. Eng. Sci. Technol. Rev., vol. 9, no. 1, pp. 1-7, 2016. doi: 10.25103/jestr.091.01 https://doi.org/10.25103/jestr.091.01 | ||
| Εμφανίζεται στις Συλλογές |
An optimal control strategy based on Two-Point-Multirate Controllers (TPMRCs), is used to design a desirable excitation controller of a hydrogenerator system, in order to enhance its dynamic stability characteristics. In the TPMRCs based scheme, the control is constrained to a certain piecewise constant signal, while each of the controlled plant outputs is detected many times over a fundamental sampling period T0. On the basis on this strategy, the original problem is reduced to an associate discrete-time linear quadratic (LQ) regulation problem for the performance index with cross product terms, for which a fictitious static state feedback controller is needed to be computed. Simulation results for the actual 117 MVA synchronous generator with conventional exciter supplying line to an infinite grid show the effectiveness of the proposed method which has a quite satisfactory performance.
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