Fast Calculation of Transient Temperature Field for Thyristor Module

doi:10.11985/2016.12.006

Abstract

Abstract:

Accurate calculation of transient temperature field for thyristor module is meaningful to improve the reliability of the device application. Therefore, the characteristics of transient thermal analysis and modeling method of the thyristor are discussed, a novel method for calculating efficiency and accuracy is proposed. The highest temperature change curves are obtained according to the fast calculation of transient temperature field for variety complex conditions by developed program. The calculation results show that the grid number of direct reduction can greatly decrease the computing resource and time, the consistency of boundary condition can be guaranteed by the interpolation of convective heat transfer coefficient, and the calculation accuracy and efficiency can be achieved by model order reduction method. The proposed method provides a theoretical basis for the thermal design of thyristor module.

Key words: Thyristor module, transient temperature field, model order reduction, convective heat transfer coefficient, interpolation

CLC Number:

TM461.4

Ding Jie,Zhang Ping. Fast Calculation of Transient Temperature Field for Thyristor Module[J]. Journal of Electrical Engineering, 2016, 11(12): 37-44.

Figures/Tables 13

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部件名称	材料名称	密度/ (kg/m³)	比热容/ [ J/(kg·K)]	导热系数/ [ W/(m·K)]
管座、管盖	无氧铜	8 960	380	387.6
阴极钼片、阳极钼片	钼	10 200	250	138
管芯	硅	2 330	710	161
瓷环	96瓷	3 750	780	23
定位销	45钢	7 900	460	20
其他	6063铝合金	2 719	871	202.4

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