Power Sections - Siemens SINAMICS S120 Equipment Manual

1.6

Power Sections

1.6
Line modules
Convert the three-phase supply into a DC voltage for the DC link.
• Smart line modules
• Active line modules
Motor modules
• Convert energy from the DC link for the connected motors with variable voltage and
Equipment Manual for Booksize Power Units
Equipment Manual, (GH2), 03/2006 Edition, 6SL3097-2AC00-0BP3
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.
variable frequency.
System overview
1.6 Power Sections
1-9