lifetime is quantified with the fitted coupling coefficients. The analyzing results show that when the bonding wire and the solder layer have similar lifetime, the IGBT's whole lifetime will be reduced, and the reduction degree is affected by the shape parameters of Weibull distribution, up to...
5. Ahmed H. Abuelnaga, M. Narimani et al. “A Review on IGBT Module Failure Modes and Li...
Failure criteria: R_thjc increase 20% 失效机理是两种材料不同的膨胀系数 (Different material’s CTE)[ppm/K] 不同应用下IGBT模块的寿命 Lifetime of IGBT module in different application There are many applications and similar types of power modules. Main objective is: how to select an active ...
Failure criteria: R_thjc increase 20% 失效机理是两种材料不同的膨胀系数 (Different material’s CTE)[ppm/K] 不同应用下IGBT模块的寿命 Lifetime of IGBT module in different application There are many applications and similar types of power modules. Main objective is: how to select an active devic...
Fig.1 Flow-chart for the lifetime estimation of IGBT module 首先根据长时间的任务工况,如一整年的风速和光照强度,结合变流器的功率模型计算出每个任务工况下的运行功率。然后依据IGBT模块的损耗模型,计算每个开关周期下的开关和导通损耗。由于器件的电气参量受到结温影响,因此在计算损耗的时候还需要将结温作为反馈量...
热阻 Rthjc 增大+20% Failure criteria: R_thjc increase 20%失效机理是两种材料不同的膨胀系数(Different material’s CTE)[ppm/K]不同应用下 IGBT 模块的寿命Lifetime of IGBT module in different applicationThere are many applications and similar types of power modules.Main objective is: how to ...
寿命预测是预测IGBT的寿命终点(End of Lifetime, EOL)或剩余使用寿命(Remaining Useful Lifetime, RUL)的过程,这有助于安排维修工作,减少非计划停机造成的经济损失,提高变流器的可靠性。目前,典型的寿命预测模型包括失效物理(Physics of Failure, PoF)模型[3-6]、数据驱动模型[7-13]等。PoF模型充分考虑了IGBT失效...
Ahmed H. Abuelnaga, M. Narimani et al. “A Review on IGBT Module Failure Modes and Lifetime...
Whichlays the foundation for failure mechanism analysis, reliability analysis, lifetime prediction, health state evaluation andcondition of IGBT power modules and the whole converter systems.Keywords: reliability; power cycling; thermal cycling; accelerated aging; precursor indicators电 源学报Journal of ...
Fig.3 Positive polarity repeated square wave voltage under repeatable turn-on and turn-off condition[24] 1.3 初值-边值问题描述 在计算弹性压接型器件的瞬态电场时,由于感应电场远远小于库伦电场[29],满足电准静态条件,因此瞬态电场的控制方程为电准静态场瞬态电场的控制方程。用标量电位表示的瞬态电场的初值-...