vlad05
I missed that these are inverter duty motors rated for constant torque applications and therefore may be suitable for operating at the lower speeds without external cooling.
Sorry.
vlad05
On a variable speed drive application, the torque of the motor falls off roughly as a square at speeds above the 60hz rpm rating of the motor (constant hp range, torque is proportional to(v/hz)squared). Since this type of compressor is a constant torque application, you could experience...
