Dynamic modeling and dynamical analysis of pump-turbines in S-shaped regions during runaway operation

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Dynamic modeling and dynamical analysis of pump-turbines in S-shaped regions during runaway operation

There is a region of pump-turbine operation, often called the S-shaped region, in which one unit rotational speed corresponds to three unit flows or torques. In this paper, the dynamic model of the pump-turbine in S-shaped regions is established by introducing the nonlinear piecewise function of rel...

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Bibliographic Details
Main Authors:	Zhang, H., Chen, D., Wu, Changzhi, Wang, Xiangyu, Lee, J., Jung, K.
Format:	Journal Article
Published:	Elsevier 2017
Online Access:	http://hdl.handle.net/20.500.11937/50378

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