Device Overview 11/03
SINAMICS G150
2-6 Operating Manual
2.4 Wiring Principle
Wiring principle: versions A and C
1)
From an output current of > 800 A, the main circuit-breaker, fuses and main
contactor functions are implemented by means of circuit-breakers
Motor connection
Inverter
Power connection
Rectifier
~
~
=
DC link
Main circuit-breaker
1)
Fuses
1)
Main contactor
1)
~
~
=
~
~
=
~
~
=
Line reactor Uk = 2 %
< 500 kW standard
> 500 kW only as option
( L23 ) !
Version A Version C
PE
PE
PE
PE
R1
R2
Brake chopper
Fig. 2-3 Wiring principle: versions A and C
IMPORTANT
The motor earth must be fed back directly to the cabinet unit.
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