Hydro turbine transfer functions with hydraulic coupling

The authors deal with the development of transfer functions for hydraulic turbines connected to a common penstock. These turbines tend to be hydraulically coupled. Both the solid mass approximation and the pressure wave modelling approach are applied for the development of diagonal and coupling tran...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 1993-09, Vol.8 (3), p.527-532
Main Authors: Vournas, C.D., Zaharakis, A.
Format: Article
Language:English
Subjects:
130300 - Hydro Energy- Plant Design & Operation
Applied sciences
Bifurcation
Engines and turbines
Equations
Exact sciences and technology
Frequency
FUNCTIONS
HYDRAULIC TURBINES
HYDRO ENERGY
MACHINERY
MATHEMATICAL MODELS
Mechanical engineering. Machine design
PENSTOCKS
PIPES
Power generation
Power system analysis computing
Power system modeling
PULSES
Solid modeling
STABILITY
Steady-state
TRANSFER FUNCTIONS
TURBINES
TURBOMACHINERY
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Summary:The authors deal with the development of transfer functions for hydraulic turbines connected to a common penstock. These turbines tend to be hydraulically coupled. Both the solid mass approximation and the pressure wave modelling approach are applied for the development of diagonal and coupling transfer functions. This modelling approach is applied to the Stratos hydroelectric power station, China. It is shown that the solid mass approach gives relatively simple rational transfer functions that accurately represent the hydraulic coupling between turbines over a wide frequency range.< >
ISSN:0885-8969
1558-0059
DOI:10.1109/60.257069