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24 Operation principle and hardware description
Overview diagram – 2×D8T, 6-pulse
This is an overview diagram of a 6-pulse supply unit with two D8T supply modules. The
diagram on the left shows an alternative with a main switch-disconnector and optional
contactor. The diagram on the right shows an alternative with a main circuit breaker. For
more information, see
Cubicle
-
-
A
Incoming cubicle (ICU)
B
Diode supply unit cubicle
Switching, disconnecting and protecting solution
No.
Explanation
1.
AC supply
2.
Main switch-disconnector
3.
Main AC fuse
4.
Contactor (optional)
5.
Main circuit breaker
6.
AC fuses for diode supply
modules
7.
Diode supply modules
8.
DC link
9.
Connection to drive DC link
on page 40.
Available through
-
ABB or third party
ABB or third party
ABB or third party
ABB or third party
ABB or third party
ABB
-
-
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