Appendix C How to Select the Right AC Motor Drive
VFD-EL-W
C-6
operation and carefully choose the capacity of the AC motor drive. When one AC motor drive operates
more than one motors, pay attention to starting and changing the motor.
Power Transmission Mechanism
Pay attention to reduced lubrication when operating equipment such as gear reduction motors, gearboxes,
belts and chains over long periods at low speeds. At high speeds (60 Hz and above), noises and
vibrations that reduce the lifetime of the equipment may occur.
Motor Torque
The motor torque characteristics operated by an AC motor drive depend on the motor model selection and
AC motor drive parameter settings.
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