摘要
本文针对大功率变频器用水冷板的优化设计问题,通过数值模拟分析,探究了4种影响因素对水冷板散热性能及流道压损的影响,可以为相关工程人员提供设计参考。仿真结果表明:针对大功率变频器用水冷板,流道推荐采用并联形式,每个流道内再细化为S型分流道。S型分流道的截面积对流道损失影响较大。集流管截面尺寸对最高温度及流道压损的影响比较小。热源采用简化建模方式,T(结温)比按实际封装尺寸建模低3℃。
Aiming at the optimization design of high-power inverter cooling plate,this paper explores four influencing factors on the heat dissipation performance of the cooling plate and the pressure loss through numerical simulation analysis,which can provide design references for related engineers.The simulation results show that:for the high-power inverter cooling plate,the runners are recommended to be connected in parallel,and each runner is refined into an S-shaped branch runner.The cross-sectional area of the S-shaped runner has a greater influence on the loss of the runner.The cross-sectional size of the header has a relatively small effect on the maximum temperature and the pressure loss of the runner.The heat source adopts a simplified modeling method,and T(junction temperature)is 3°C lower than the actual packagesizemodeling.
作者
许佩佩
张浏骏
邢辉
Xu Peipei;Zhang Liujun;Xing Hui
出处
《变频器世界》
2023年第5期63-67,共5页
The World of Inverters
关键词
变频器
水冷板
散热性能
压力损失
数值模拟
Frequency converter
Cooling plate
Thermal performance
Pressure loss
Numerical simulation
