Feifei Wang

TL;DR: In this article, the authors proposed a universal dynamic mathematical model of the multi-hydro-turbine governing system, which is fitted into the theoretical framework of the generalized Hamiltonian system, utilizing the method of orthogonal decomposition.

TL;DR: In this article, a nonlinear dynamical model of a hydro-turbine governing system in the process of load rejection transient is presented. And the nonlinear dynamic behaviors of the governing system are illustrated by bifurcation diagrams, Poincare maps, time waveforms and phase orbits.

TL;DR: In this paper, a fractional order mathematical model of a hydro-turbine governing system is presented to analyze the dynamic stability of the hydropower system in the process of operation.

TL;DR: In this article, a nonlinear dynamic transfer coefficients of the hydro-turbine were proposed by utilizing internal characteristics and analyzing the change laws of the characteristic parameters of the Hydro-Turbine governing system.

TL;DR: The estimate value of the above solution is obtained by using the generalized Gronwall inequality and the existence and uniqueness of the solution to a class of nonlinear fractional order system with delay is investigated.