Wiring Principle - Siemens SINAMICS G150 Operating Manual

Device Overview
2.4

Wiring Principle

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