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Checkpoint
Countermeasures are taken
against electrical corrosion on the
motor bearing.
*1
Recommended common mode choke: FT-3KM F series FINEMET® common mode choke cores manufactured by Hitachi Metals, Ltd.
FINEMET is a registered trademark of Hitachi Metals, Ltd.
88
3. PRECAUTIONS FOR USE OF THE INVERTER
3.5 Checklist before starting operation
When a motor is driven by the inverter, axial voltage is generated on the motor
shaft, which may cause electrical corrosion of the bearing in rare cases
depending on the wiring, load, operating conditions of the motor or specific
inverter settings (EMC filter ON). Contact your sales representative to take
appropriate countermeasures for the motor. The following shows examples of
countermeasures for the inverter.
• Turn OFF the EMC filter.
• Provide a common mode choke
effective regardless of the EMC filter ON/OFF connector setting.)
Countermeasure
*1
on the output side of the inverter. (This is
Refer to
Check by
page
user
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