A High Field Weakening Range Is Required - Siemens SINAMICS S120 Configuration Manual

2.3.6

A high field weakening range is required

Proceed as follows for applications with a field-weakening range greater than for standard
induction motors:
Starting from the max. speed n
must be selected which provides the required power P
Finally, a check should be made as to whether the motor can generate the torque or the
power at the transition speed required by the application (n
Figure 2-3
1PH4 Induction Motors
Configuration Manual, (APH4S), 08/2008, 6SN1197-0AD64-0BP1
and the power P
max
Motor selection based on power-speed and torque-speed diagrams
2.3 Selecting and dimensioning induction motors
required at maximum speed, a motor
max
at this operating point (n
max
, P ).
N N
Configuring
, P ).
max max
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