A-8
CDA3000 Operation Manual
Speed ratio run Differing motor output speeds can only be attained by using motors with
differing nominal speeds, e.g. 1440 rpm and 2880 rpm. The speed ratio
of approx. 1:2 is maintained during the speed change. The accuracy
depends on the slip and thus on the load.
Connecting indi-
vidual motors
When connecting motors, ensure that the connection current is not
higher than the inverter peak current. It is advantageous if the inverter
load is >40%.
This 40% base load backs up the output voltage of the inverter module at
the moment of connection of the motor.
During connection the motor must not be run in the field
weakening range, since the connected motor would
otherwise have to run at reduced runup torque.
Topic Project planning notes
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