Description  Claims  Drawing  Cited references 

US20130187656A1   [0003] 
US20100231269A1   [0003] 
JP5049817B   [0004] 
JP7170724A   [0004] 

A Failure Detection Strategy for IGBT Based on Gate-Voltage Behavior Applied to a Motor Drive System   [0003] 
IGBT fault diagnosis using adaptive thresholds during the turn-on transient   [0003] 
Temperature Measurement of Power Semiconductor Devices by Thermo-Sensitive Electrical Parameters A Review   [0003]