Optimization of the Double-sided Cooling Heatsink of IGBT Based on High Performance Turbulator

Optimization of the Double-sided Cooling Heatsink of IGBT Based on High Performance Turbulator

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Based on the numerical simulation and experimental research methods, the performance of the liquid cooled radiator used in the rail transit converter was studied and optimized, and the results were compared with the current radiator used in HXD1C and HXD2B locomotives.The results showed that the heat transfer capacity and the flow whelen arges spotlight resistance of the radiator were improved by using the high-efficiency turbulence technology and four parallel channel structures, the temperature rise of the radiator table was 37%and 14.1% lower than that cocktail tree for sale of HXD2B and HXD1C in use, and the flow resistance was 36.9% and 22.3% lower respectively.

By using symmetrical double-sided cooling structure, the temperature homogeneity of IGBT installation surface was improved, and the occupied space was 26% less than that of single-sided tiling installation.