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DC link components
4.1
Braking Module
4.1.1
Description
A Braking Module and an external braking resistor are required to bring drives to a controlled
standstill in the event of a power failure (e.g. emergency retraction or EMERGENCY STOP
category 1) or limit the DC-link voltage if the generator is operated for a short period of time,
for example because there is no regenerative feedback capability into the supply network
when a Basic Line Module is used. The Braking Module contains the power electronics and
the associated control.
During operation the DC-link energy is converted into heat loss in an external braking resistor
outside of the control cabinet. Braking Modules function autonomously. Parallel operation of
several braking modules is possible. In this case, each Braking Module must have its own
braking resistor.
Up to 3 slots are available for Motor Modules, frame size JX.
Figure 4-1
Air-Cooled Chassis Power Units - supplement to Motor Module 6SL3320-1TG41-5AA3
Equipment Manual, 10/2020, A5E50422764A
Braking Module
4
41
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