Power Sections - Siemens SINAMICS S120 Equipment Manual

1.6

Power sections

Line Modules
Convert the three-phase supply into a DC voltage for the DC link.
● Smart Line Modules
● Active Line Modules
● Basic Line Modules
Motor Modules
● Convert energy from the DC link for the connected motors with variable voltage and
Booksize Power Units
Equipment Manual, (GH2), 07/2007, 6SL3097-2AC00-0BP5
The Smart Line Modules generate a non-stabilized DC link voltage and are capable of
regenerative feedback.
The Active Line Modules generate a stabilized DC link voltage and are capable of
regenerative feedback.
Basic Line Modules generate an unregulated DC link voltage and are not capable of
regenerative feedback.
variable frequency.
System Overview
1.6 Power sections
29