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V/v structure transformer has been widely used in the electric railway traction system. However, the construction V/v transformer compared to three-phase system has a serious asymmetry. It brings new difficulty to the existing setting calculation of power system which is based on symmetrical sequence components. In the paper, by analyzing in-depth the connection mode and equivalent model of V/v structure...
Since the complex frame of the turbogenerator stator end winding coil, 2D modeling cannot meet the increasingly accurate requirements. 3D modeling of the stator leads to more precise calculation and simulation. But, the complexity of the 3D modeling makes it a consuming-time work with requirements of advanced technology. In this paper, under the environment of I-DEAS, the automatic 3D parametric modeling...
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