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by Qwe
Tue Apr 03, 2018 6:37 pm
Forum: Thermal Management
Topic: What happen when inlet airflow of an AC vacuum motor is blocked
Replies: 3
Views: 1087

Re: What happen when inlet airflow of an AC vacuum motor is blocked

I test it using normal universal motor at 230vac. Thermocouples are used but only managed to place closed to the winding rotor. I found the fan case temperature shot up very fast and even higher than copper winding! Will this due to thermal radiation?
by Qwe
Mon Apr 02, 2018 4:13 pm
Forum: Thermal Management
Topic: What happen when inlet airflow of an AC vacuum motor is blocked
Replies: 3
Views: 1087

What happen when inlet airflow of an AC vacuum motor is blocked

What happen when inlet airflow of an AC vacuum motor is blocked? Based on quick test, fan case motor gets very hot, but why not motor winding? Hope to get some help here..

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