Abstract
The vibration isolation device based on geometric nonlinear theory is a hotspot in the field of dynamics in recent years. In order to deeply explore the application of this technology in the field of vibration isolation for power grid equipment, we establish a transformer-casing coupling nonlinear dynamic model considering seismic wave excitation, and use the classical fourth-order Runge-Kutta method to calculate and analyse the transient response behaviour and characteristics of the coupled system under different conditions. The analysis results reveal that the influence of the three parameters, including stiffness, length and damping of springs in shock absorber, on the anti-seismic performance of this coupling structure, which lays a theoretical foundation for the application of geometric nonlinear theory in the field of large-scale transformation equipment vibration isolation.
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More From: IOP Conference Series: Earth and Environmental Science
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