Tom Bishop, P.E.
EASA Senior Technical Support Specialist
This webinar recording reviews the failures associated with 3-phase motors on Variable Frequency Drives (VFDs) and how to rewind to limit future failures. The transient over-voltages produced by the VFD can cause the winding insulation to break down. Motor manufacturers and service centers have recognized that the winding insulation system must be enhanced to help withstand the effects of being used on a VFD. Topics include:
- Brief overview of the transient voltage phenomena
- Materials for an inverter-duty winding system
- Processes for an inverter-duty winding system
- Other considerations: cables, VFDs
This webinar is intended for winders, shop supervisors and engineering staff.
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