| Authors |
Jae-Nam Bae ; Sung-Gu Lee ; Jung-Ho Han ; Hae-Yang Chung ; Ju Lee |
| Keywords |
Coupled field ; Finite element method ; Electric heating ; Bimetal disc |
| Abstract |
The characteristics of heat transfer of the bimetal disc for over-current protection device is specified. Bimetal consists of two metals which have a different thermal expansion coefficient. To analyze the thermal characteristics, temperature distribution when bimetal acts as a switch is calculated. As usual, heat source is applied to the bimetal and electric current is heat source in the over-current protection switch. In this paper, thermal distribution are obtained by solving a coupled electro-thermal field with 3D finite element method. |