1.6 Precautions for Using Inverters
1-30
Geared motors
If the power transmission mechanism uses an oil-lubricated gearbox or speed changer/reducer, then
continuous operation at low speed may cause poor lubrication. Avoid such operation.
Synchronous motors
It is necessary to take special measures suitable for this motor type. Contact your Fuji Electric
representative for details.
Single-phase motors
Single-phase motors are not suitable for inverter-driven variable speed operation.
High-speed motors
If the reference frequency is set to 120 Hz or higher to drive a high-speed motor, test-run the combination
of the inverter and motor beforehand to check it for safe operation.
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