Transient state temperature distribution in a power electronics module comprising two thyristors was computed using a finite element method (FEM). An optimal positioning of one of the thyristors with respect to another was obtained based on the minimization of two norms ‖T2 and ‖Tt‖∞. The results obtained from the simulation are compared with those measured using thermocouple techniques; the agreement between these results is found to be good.

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