Abstract

Taking the generator and turbine as an integrated system, the nonlinear coupling dynamic equations of the system are established by the finite element method. According to the dynamic equations, the global coupling relations among the structural parameters, fluid parameters and electromagnetic parameters are discovered. Based on the dynamic equations, the dynamic responses of the system are calculated and analyzed. The results show that not only the structural parameters, but also the fluid parameters and the electromagnetic parameters have significant effects on the dynamic responses of the system. Finally, an example is presented.

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