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Recently, i did an IGBT VCE voltage stress test in NPC 3-Level circuit. When the output is connected to PMSM, the VCE waveforms changes in the initial and final stages ( the VCE waveform is not continuous during the rising and falling phase ),please see the attchaed file, i couldn't understand its theory . who can help to explain it for me ,thanks a lot.
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IGBT Modules
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Hi,
Thank you for posting on Infineon community.
To answer your query with proper explanation, i request you to share the Vge and collector current waveform along with the point where you are measuring the Vce voltage.
Best Regards,
AZIZ HASSAN
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Hi,
Thank you for posting on Infineon community.
To answer your query with proper explanation, i request you to share the Vge and collector current waveform along with the point where you are measuring the Vce voltage.
Best Regards,
AZIZ HASSAN