Depending on the electric connection configuration, a three-phase induction motor can operate at any direction of rotation. The direction of rotation can be reversed by exchanging the position of two of the connecting leads.
WEG motors are supplied with bi-directional fans unless only one direction of rotation is informed on the data sheet or on additional nameplates. In general the motor allow the operation at any direction of rotation without affecting the motor cooling. Motors without fan, but ventilated by the own load ( the fan is the load ) must meet the cooling requirements of the motor, independent of the direction of rotation.
Friday, March 28, 2014
DIRECTION OF ROTATION OF THREE-PHASE INDUCTION MOTORS
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