Electrical Engineering - VPI, Vacuum Pressure Impregnation of stator VS IEEE std 429

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VPI, Vacuum Pressure Impregnation of stator VS IEEE std 429

ken

2006-03-24, 4:21 pm

Which is better for Vacuum Pressure Impregnation (VPI) on a motor as
follow?
1) A one step process where the resin, vanish and coating bake, dry
and cure on the Stator for 8 hours total?
2) A two step process where the resin and vanish and coating bake,
dry and cure for 3 hours and then repeat this process for another 5
hours?
And why that procedure is better.

How the above differ or similar to IEEE STD 429?

Any help to the above questions is appreciated!

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