Siemens SINAMICS S120 Equipment Manual page 140

Power Modules
5.2 Blocksize Power Modules (PM240-2)
Derating as a function of the output frequency
Power Modules blocksize format (FSA to FSC)
If the Power Modules are operated at an output frequency < 22 Hz, then you must reduce
the output currents I
Figure 5-31
Power Modules blocksize (FSD to FSG)
If the Power Modules are operated at an output frequency < 10 Hz, then you must reduce
the output currents I
Figure 5-32
Continuous operation
Short-time duty
Sporadic short-time duty
138
, I , I and I
n H S6 max
Reduction of the output current as a function of the output frequency
, I , I and I
n H S6 max
Reduction of the output current as a function of the output frequency
Permissible operating state for the complete operating time
Operating state permissible for less than 2% of the operating
time
Operating state permissible for less than 1% of the operating
time
as follows:
as follows:
Manual, 06/2019, 6SL3097-5AL00-0BP1
AC Drive