radug
Electrical
- May 23, 2007
- 105
Hello,
If my understanding is correct, a motor with an insulation class F with a temperature increase B has a 25ºC margin for operating continously without affecting its design life. If this is correct, one could use a motor purchased as F/B with no risk at F/F.
My question is: if the rated power of the motor at its nameplate is for F/B, then, how can be the increased rated power at F/F be obtained?
If my understanding is correct, a motor with an insulation class F with a temperature increase B has a 25ºC margin for operating continously without affecting its design life. If this is correct, one could use a motor purchased as F/B with no risk at F/F.
My question is: if the rated power of the motor at its nameplate is for F/B, then, how can be the increased rated power at F/F be obtained?