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A Mathematical Model and Its Application for Hydro Power Units under Different Operating Conditions
This paper presents a mathematical model of hydro power units, especially the governor system model for different operating conditions, based on the basic version of the software TOPSYS. TheExpand
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Runaway Instability of Pump-Turbines in S-Shaped Regions Considering Water Compressibility
Pump-turbine characteristics greatly affect the operational stability of pumped-storage plants. In particular, the S-shaped region of the characteristic curves leads to severe instability duringExpand
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Stable adaptive fuzzy control for MIMO nonlinear systems
TLDR
In this paper, an indirect adaptive fuzzy control scheme is presented for a class of multi-input and multi-output (MIMO) nonlinear systems whose dynamics are poorly understood. Expand
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Nonlinear modeling and stability analysis of hydro-turbine governing system with sloping ceiling tailrace tunnel under load disturbance
Abstract In order to overcome the problem of nonlinear dynamics of hydro-turbine governing system with sloping ceiling tailrace tunnel, which is caused by the interface movement of the freeExpand
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Nonlinear modeling and dynamic control of hydro-turbine governing system with upstream surge tank and sloping ceiling tailrace tunnel
Using the Hopf bifurcation theory, the nonlinear dynamic characteristics of hydro-turbine governing system of hydropower station with upstream surge tank and sloping ceiling tailrace tunnel areExpand
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Hopf bifurcation control of hydro-turbine governing system with sloping ceiling tailrace tunnel using nonlinear state feedback
Abstract Aiming at improving the regulation quality of a hydro-turbine governing system with sloping ceiling tailrace tunnel, Hopf bifurcation control using nonlinear state feedback is studied.Expand
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Modeling and dynamic response control for primary frequency regulation of hydro-turbine governing system with surge tank
Abstract This paper aims to study the modeling and dynamic response control for primary frequency regulation of hydro-turbine governing system with surge tank. Firstly, the index of dynamic responseExpand
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Hydropower system operation stability considering the coupling effect of water potential energy in surge tank and power grid
This paper aims to study the hydropower system operation stability considering the coupling effect of water potential energy in surge tank and power grid. Firstly, the mathematical formulation forExpand
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Regulation quality for frequency response of turbine regulating system of isolated hydroelectric power plant with surge tank
Aiming at the isolated hydroelectric power plant (HPP) with surge tank, this paper studies the regulation quality for frequency response of turbine regulating system under load disturbance. Firstly,Expand
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Linear Modeling and Regulation Quality Analysis for Hydro-Turbine Governing System with an Open Tailrace Channel
On the basis of the state–space method (SSM), a novel linear mathematical model of the unsteady flow for the tailrace system with an open channel is proposed. This novel model is an elasticExpand
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