Energies 2014, 7(2), 874-889; doi:10.3390/en7020874
Article

Modelling and Internal Fuzzy Model Power Control of a Francis Water Turbine

1 Department of Electrical Engineering, Sava Hydroelectric Power Plants Ljubljana d.o.o., Gorenjska Street 46, 1215 Medvode, Slovenia 2 Department of System, Control and Cybernetics, Faculty of Electrical Engineering, Tržaška Street 25, SI-1000 Ljubljana, Slovenia
* Author to whom correspondence should be addressed.
Received: 17 November 2013; in revised form: 6 February 2014 / Accepted: 8 February 2014 / Published: 19 February 2014
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Abstract: This paper presents dynamic modelling of a Francis turbine with a surge tank and the control of a hydro power plant (HPP). Non-linear and linear models include technical parameters and show high similarity to measurement data. Turbine power control with an internal model control (IMC) is proposed, based on a turbine fuzzy model. Considering appropriate control responses in the entire area of turbine power, the model parameters of the process are determined from a fuzzy model, which are further included in the internal model controller. The results are compared to a proportional-integral (PI) controller tuned with an integral absolute error (IAE) objective function, and show an improved response of internal model control.
Keywords: Francis turbine; fuzzy control; fuzzy model; hydro power plant; internal model control

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MDPI and ACS Style

Nagode, K.; Škrjanc, I. Modelling and Internal Fuzzy Model Power Control of a Francis Water Turbine. Energies 2014, 7, 874-889.

AMA Style

Nagode K, Škrjanc I. Modelling and Internal Fuzzy Model Power Control of a Francis Water Turbine. Energies. 2014; 7(2):874-889.

Chicago/Turabian Style

Nagode, Klemen; Škrjanc, Igor. 2014. "Modelling and Internal Fuzzy Model Power Control of a Francis Water Turbine." Energies 7, no. 2: 874-889.

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