The existing research on the distribution characteristics of displacement and acceleration transformer axial vibration under short-circuit conditions is based ignoring damping parameters. An accurate description windings, especially for winding conditions, has a poor effect. In this paper, damping, stiffness, mass parameters between windings are comprehensively considered, classical “mass-sprin...

This paper presents a method for effectively modeling the outer surfaces of inlay/onlay prostheses restoring teeth that are partially destroyed. We exploit 3D mesh deformation techniques: direct manipulation free-form deformation (DMFFD) [9] and multiple wires deformation (MWD) [10] with three kinds of information: standard teeth models, scanned mesh data from the plaster cast of a patient's to...

Figure 1: Stator Cross-Section Figure 1 shows a cartoon view of an axial cross-section of a twelve-slot stator. Actually, what is shown is the shape of a thin sheet of steel, or lamination that is used to make up the magnetic circuit. The iron is made of thin sheets to control eddy current losses. Thickness varies according to freuqency of operation, but in machines for 60 Hz (the vast bulk of ...

To identify the four typical faults of dry-type transformer winding insulations, looseness, deformation and eccentricity, this study establishes electric magnetic force multi-physical field simulation model a under with COMSOL software, based on vibration mechanism an SCB10-1000/10 transformer. Through coupling calculation, comparative relationship between acceleration kinds normal working stat...

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