1FK2 synchronous motors for SINAMICS S120
Configuration Manual, 06/2019, A5E46927724B AB
63
Technical data and characteristics
Explanations
Permissible operating range
The permissible operating range is limited by thermal, mechanical, and electromagnetic
boundaries. The data in this documentation is valid for self-cooled motors up to an ambient
temperature of 40 °C.
The temperature rise of the motor is caused by the losses generated in the motor (current-
dependent losses, no-load losses, friction losses).
To maintain the temperature limits, the S1-permissible torque – starting from static torque M
0
– decreases as the speed increases.
Figure 6-1 Torque characteristic 1FK2
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