Design and finite element analysis of outer-rotor-type switched reluctance generator in wind power generation

An outer-rotor-type switched reluctance generator (SRG) applied in small wind power generation system is designed in this paper. The formulas using in the design process are given. The finite element method (FEM) is used to optimize the structure, choose the laminated material and analyze the magnetic performance of the SRG. A comparison simulation between the outer-rotor-type SRG and inner-rotor-type SRG is executed and the performances of the two types SRG are demonstrated. In the comparison, the SRGs have the same outer diameter and poles size. The operating performance of the outer-rotor-type SRG in wind power generation is also illustrated at the end of this paper.