Motor-Side Power Components; Motor Reactors; Description - Siemens SINAMICS S120 Manual

Motor-side power components

5.1

Motor reactors

5.1.1

Description

Motor reactors reduce discharge currents which means that longer motor cables may be
used.
At the same time, the reduced rates of voltage rise (dv/dt) also reduce the stress on the
motor windings.
Table 5- 1
Maximum ambient temperature
Pulse frequency
Maximum output frequency
Maximum current limit
Control types
Further information such as safety instructions and dimension drawings can be found in the
SINAMICS S120 Manual "Booksize Power Units".
Power Units in Booksize C/D-Type Format
Manual, 12/2018, 6SL3097-5AC20-0BP0
Requirements for using a motor reactor
40 °C
4 kHz
120 Hz
2 x rated current
Vector control and U/f control
5
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