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Numerical thermal analysis of fuses for power semiconductors

机译:功率半导体保险丝的数值热分析

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摘要

This paper describes a simplified thermal model of fast fuse suitable for power electronic circuits, especially for power rectifiers. This model has been validated with a single-phase rectifier and can be used to analyse the thermal behaviour of fast fuses during transient conditions. The procedure for achieving the simplified model is also presented. The parameters' model include all the necessary information about the fast fuse geometry, its components' materials and heat dissipation to the surrounding area. On the basis of this simplified model, the transient thermal behaviour of fast fuse can be estimated for complex power electronic circuit with accuracy and speed.
机译:本文介绍了适用于电力电子电路,特别是电力整流器的快速熔断器的简化热模型。该模型已通过单相整流器验证,可用于分析瞬态条件下快速熔断器的热行为。还介绍了实现简化模型的过程。参数模型包括有关快速熔断器几何形状,其组件的材料以及对周围区域的散热的所有必要信息。在此简化模型的基础上,可以准确,快速地估算复杂功率电子电路的快速熔断器的瞬态热性能。

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