Delta Electronics AC Drive VFD-F Series Spécifications télécharger pdf (Page 27)

VFD-F Series

3-16

3.7 Motor Operation Precautions

1. When using the AC drive to operate a standard 3-phase induction motor, notice that the

energy loss is greater than for an inverter duty motor.

2. Avoid running a standard induction motor at low speed. Under these conditions, the

motor temperature may rise above the motor rating due to limited airflow produced by

the motor’s fan.

3. When the standard motor operates at low speed, the output load must be decreased.

4. If 100% output torque is desired at low speed, it may be necessary to use a special

“inverter-duty” rated motor.

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Delta Electronics AC Drive VFD-F Series Spécifications Page 27