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이재욱(Jae-Wook, Lee),배재남(Jae-Nam, Bae),정계환(Kye-Hwan Jeong),김근웅(Keun-Woong, Kim) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
Vibrations on industrial generators can be divided into electromagnetic, mechanical and aerodynamic vibration. Among them, the electromagnetic vibration is produced by combination of natural frequency and harmonics of magnetic flux, so it is relatively hard to predict the electromagnetic vibration. In this paper, we developed 1-way coupled (magnetic, stiffness) analysis technology to evaluate characteristics of the vibration induced by electromagnetic field. With the analysis, we investigated the forced vibration characteristics considering radial magnetic force, which was calculated from the magnetic analysis, on stator core teeth of the generator. And structure design reducing the electromagnetic vibration of the generator was suggested from the analysis results.