Safety Information and Precautions
- 6 -
AC Motor (Induction/Asynchronous)
AC induction motors are designed to run at xed speed at the 50 or 60 Hz supply frequency and therefore it’s
cooling capability is dependent on the axial driven fan mounted at the non drive end.
When the motor is operated at variable speed with the AC Drive, it is necessary to consider the reduced
cooling rate especially when running at low speed for considerable period of time. Please consult with the
motor manufacturer who can provide cooling solutions such as a electric force ventilated fan or an “inverter”
rated AC motor designed to handle reduced speed running with AC Drives.
It is also necessary to consult with the motor manufacturer when above base speed (> 50/60 Hz) running is
required and or when high speed operations are required. Motor suppliers also provide solutions for encoder
feedback devices for close loop operation with an AC Drive.
Adjusting AC Drive Parameters
The AC Drive when it leaves the factory with default settings should enable the user to get started quickly
to check on the basic mechanical running conditions. At a later time, ne tuning to optimize the operation/
performance can be undertaken.
Such parameter tuning should be done by qualied personnel who have prior training on AC Drives. Some
parameter settings if manipulated incorrectly can have adverse reactions and care should be taken especially
during the commissioning startup stages to prevent personnel from engaging the machine.
This manual provides a complete list of the parameters with functional description and care should always be
taken whenever parameters are adjusted during a live running startup. Inovance Technology and Authorized
Distributors can provide product training and if in doubt seek advice.
To Next Page
Loading...
