System And Method For Testing Power Transistors

A power transistor testing system, comprising:

• a controller electrically coupled to a power converter, and being configured to:
• reset a fault flag for each power transistor, wherein the fault flag indicates a fault status associated with a corresponding power transistor;
• apply a gate driver signal to each power transistor;
• receive a feedback signal from each power transistor;
• determine a difference between the gate driver signal and the feedback signal associated with a respective power transistor;
• determine whether the feedback signal received is a non-zero waveform over a predetermined period of time;
• and
• identify a power transistor fault if the difference exceeds a threshold profile and the feedback signal received is a non-zero waveform over the predetermined period of time;
• and
• a display device coupled to the controller, and being configured to provide at least one warning indication in the event of a power transistor fault.

A machine, comprising:

• a power source;
• at least one power converter, each power converter having at least one power transistor;
• and
• a power transistor testing system electrically coupled to the at least one power converter, wherein the power transistor testing system includes:
• a controller electrically coupled to the at least one power converter, and being configured to:
• apply a gate driver signal to each power transistor;
• receive a feedback signal from each power transistor;
• determine a difference between the gate driver signal and the feedback signal associated with a respective power transistor;
• and
• determine whether the feedback signal received is a non-zero waveform over a predetermined period of time;
• identify a power transistor fault if the difference exceeds a threshold profile and the feedback signal received is a non-zero waveform over the predetermined period of time;
• and
• a display device configured to provide at least one warning indication if a power transistor fault is detected.