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Research on comparison of dynamic characteristics of wound with solid armatures

Shumeng Liu

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Abstract

Based on Maxwell equation and electromagnetic field theory,magnetic field control equations with eddy current of solid armature and wound armature are presented in this paper.The equations are solved by finite element method.Based on finite element software ANSOFT Maxwell,the simulative research on axial electromagnetic force,speed and eddy current distribution of solid armature and wound armature are made in ANSOFT.Through comparison of them,it is concluded that the electromagnetic characteristics of wound armature are better than solid armature,which forms the foundation for wound armature fabrication and handling.

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What this paper is about

Based on Maxwell equation and electromagnetic field theory,magnetic field control equations with eddy current of solid armature and wound armature are presented in this paper.The equations are solved by finite element method.Based on finite element software ANSOFT Maxwell,the simulative research on axial electromagnetic force,speed and eddy current distribution of solid armature and wound armature are made in ANSOFT.Through comparison of them,it is concluded that the electromagnetic characteristics of wound armature are better than solid armature,which forms the foundation for wound armature fabrication and handling.

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Available abstract

Based on Maxwell equation and electromagnetic field theory,magnetic field control equations with eddy current of solid armature and wound armature are presented in this paper.The equations are solved by finite element method.Based on finite element software ANSOFT Maxwell,the simulative research on axial electromagnetic force,speed and eddy current distribution of solid armature and wound armature are made in ANSOFT.Through comparison of them,it is concluded that the electromagnetic characteristics of wound armature are better than solid armature,which forms the foundation for wound armature fabrication and handling.

Key concepts: Armature (electrical engineering), Eddy current, Finite element method, Maxwell's equations, Electromagnetic field, Mechanics, Magnetic field, Mechanical engineering

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