scholarly journals Nonlinear modeling and dynamic analysis of a hydro-turbine governing system in the process of sudden load increase transient

2016 ◽  
Vol 80 ◽  
pp. 414-428 ◽  
Author(s):  
Huanhuan Li ◽  
Diyi Chen ◽  
Hao Zhang ◽  
Feifei Wang ◽  
Duoduo Ba
Keyword(s):  
Dynamic Analysis ◽  
Nonlinear Modeling ◽  
Hydro Turbine ◽  
Governing System ◽  
Load Increase ◽  
Sudden Load

Nonlinear dynamic analysis for a Francis hydro-turbine governing system and its control

2014 ◽  
Vol 351 (9) ◽  
pp. 4596-4618 ◽  
Author(s):  
Diyi Chen ◽  
Cong Ding ◽  
Younghae Do ◽  
Xiaoyi Ma ◽  
Hua Zhao ◽  
...  
Keyword(s):  
Dynamic Analysis ◽  
Nonlinear Dynamic ◽  
Nonlinear Dynamic Analysis ◽  
Hydro Turbine ◽  
Governing System

scholarly journals Linear Modeling and Regulation Quality Analysis for Hydro-Turbine Governing System with an Open Tailrace Channel

Energies ◽  
2015 ◽  
Vol 8 (10) ◽  
pp. 11702-11717 ◽  
Author(s):  
Jiandong Yang ◽  
Mingjiang Wang ◽  
Chao Wang ◽  
Wencheng Guo
Keyword(s):  
Quality Analysis ◽  
Linear Modeling ◽  
Hydro Turbine ◽  
Governing System

Stability analysis of a hydro-turbine governing system considering inner energy losses

2019 ◽  
Vol 134 ◽  
pp. 258-266 ◽  
Author(s):  
Beibei Xu ◽  
Hong-Bae Jun ◽  
Diyi Chen ◽  
Huanhuan Li ◽  
Jingjing Zhang ◽  
...  
Keyword(s):  
Stability Analysis ◽  
Energy Losses ◽  
Hydro Turbine ◽  
Governing System

A Novel Nonlinear Modeling and Dynamic Analysis of Solenoid Actuated Butterfly Valves Coupled in Series

2014 ◽  
Vol 137 (1) ◽  
Author(s):  
Peiman Naseradinmousavi
Keyword(s):  
Dynamic Analysis ◽  
Complex Network ◽  
Nonlinear Modeling ◽  
Water Systems ◽  
Magnetomotive Force ◽  
Periodic Noise ◽  
Chilled Water ◽  
In Series ◽  
The U.S

In this paper, we focus on a novel nonlinear modeling and dynamic analysis of the actuated butterfly valves coupled in series. The actuated valves used in the chilled water systems of the U.S. Navy and commercial ships, namely, “smart valves,” recently have received much attention when many of them are operating in a complex network. The network regulates the pressure of the pipeline, while several nonlinear torques/forces including the hydrodynamic and bearing torques and the magnetomotive force affect the performance of each set individually and subsequently the whole system via the couplings among the valves. The contribution of this work is to model such couplings in the presence of the nonlinearities and an applied periodic noise and then carry out dynamic analysis of the valves. We examine the model developed with/without actuation by applying a periodic noise on the upstream valve to capture the couplings among the parameters of both the actuators and valves. This would help us predict the behavior of a particular valve in the network subject to motions of other valves.

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