Reduced model for control in a hydroelectric unit at off-design operation

This paper describes the development of a reduced-order linear mathematical model of a hydroelectric unit subject to pressure perturbations in the draft tube of the hydraulic turbine, as it is the case at off-design operation (partial load or full load). The objective behind this development is to d...

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Published in2016 European Control Conference (ECC) pp. 2096 - 2101
Main Authors Gerwig, Simon, Sari, Bilal, Garin, Federica, Canudas-de-Wit, Carlos
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2016
Subjects
Electron tubes
Hydraulic turbines
Mathematical model
Oscillators
Torque
Water resources
Wind turbines
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DOI10.1109/ECC.2016.7810601

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Summary:This paper describes the development of a reduced-order linear mathematical model of a hydroelectric unit subject to pressure perturbations in the draft tube of the hydraulic turbine, as it is the case at off-design operation (partial load or full load). The objective behind this development is to design a control algorithm able to attenuate the effect of these hydraulic pressure oscillations on the hydroelectric unit. First, we develop the reduced-order linear hydraulic model of the turbine and the pipes. Then this hydraulic model is combined with a reduced order model of a single machine infinite bus (SMIB) system. Finally we present simulation results of a controller designed with this model.
DOI:10.1109/ECC.2016.7810601