System overview
2.4 Line Modules
Cabinet Modules NEMA
30 Manual, 04/2014, A5E03586450A
Figure 2-5 Line Connection Module with Smart Line Module ≤ 800 A
Figure 2-6 Line Connection Module with Smart Line Module > 800 A
Figure 2-7 Line Connection Module with Smart Line Modules connected in parallel
Active Line Modules can supply energy to the DC link and return regenerative energy to the
line supply. A Braking Module and braking resistor are required only if the drives need to be
decelerated in a controlled manner after a power failure (i.e. when energy cannot be fed
back to the supply).
In contrast to Basic Line Modules and Smart Line Modules, Active Line Modules generate a
regulated DC voltage, which remains constant despite fluctuations in the line voltage.
However, in this case, the line voltage must remain within the permissible tolerance range.
Active Line Modules draw a virtually sinusoidal current from the line supply, and do not
cause any harmful harmonics.
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