One-Dimensional Model for the Nonlinear Resistive Electric Field Control in Medium-Voltage Rotating Electrical Machines
IEEE Transactions on Dielectrics and Electrical Insulation（2021）
摘要
This study provides an insight in the analytical estimation of the electric field along the surface of a stress grading system (SGS) in the end-winding region of an electrical machine. An analytical approach is derived for the field grading materials (FGMs) having power-law electric-field-dependent conductivity. Despite some limitations, the introduced model can be used for the preliminary analysi...
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关键词
rotating machines,nonlinear field dependent resistive field control,analytical models,stress grading tape,converter fed motors,end windings,nonlinear field grading material,electric field distribution,stress grading system
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