购买了高压套件TMDSHVMTRINSPIN,配合TMS320F28335 controlCARD。一直运行正常,昨天下载了HVACI_Sensorless_2833x,BUILDLEVEL==LEVEL4。给了运行使能后,就出现IGBT炸管现象,直流母线,以及UVW对母线地都短路。炸管后,检查开发套件,没有发现任何异常之处,无异物落入。请问有遇到过类似情况的工程师吗?请问TI工程师,如何预防这种故障?
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购买了高压套件TMDSHVMTRINSPIN,配合TMS320F28335 controlCARD。一直运行正常,昨天下载了HVACI_Sensorless_2833x,BUILDLEVEL==LEVEL4。给了运行使能后,就出现IGBT炸管现象,直流母线,以及UVW对母线地都短路。炸管后,检查开发套件,没有发现任何异常之处,无异物落入。请问有遇到过类似情况的工程师吗?请问TI工程师,如何预防这种故障?