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20 Operation principle and hardware description
Overview circuit diagram of the brake unit
The following figure shows a simplified connection example of a brake unit.
Item
Explanation
A
Brake unit cabinet
1
DC link
2
DC- fuses
3
DC+ fuses
4
Brake resistor fuses
5
Brake chopper module R8i
B
Brake resistors cabinet
6
Brake resistors
Available through
-
ABB or third party
ABB or third party
ABB or third party
ABB
ABB or third party
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