Should the casing temperature of Y-series motors be higher than the bearing temperature?
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I would like to ask everyone: should the temperature of the Y-series motor’s body be higher than that of its bearings? Is it normal for the front bearing temperature of the Y315L2-2/200kw motor to be higher than the temperature of the machine body? I would appreciate your advice!
The bearing temperature usually triggers an alarm at 90 degrees, and shutdown occurs at 95 degrees
There are mainly two sources of heat in electric motors: one is generated by the current flowing through the coils, and the other is caused by the mechanical friction of the bearings. The outer layer of the coil is coated with insulating paint, which determines the temperature rating it can withstand. In short, the maximum temperature that the coil can withstand is higher than that of the bearing
In practical applications, it is normal for the temperature of the motor’s front bearing to be higher than that of the aircraft’s surface.
What is your basis? **There are standards.