Siemens SIMODRIVE base line A

Installation
2-20 SIMODRIVE base line A Start-Up
Fig. 2-11 Three types of line supply systems
U1 V1 W1
PE
PE
N
L1
L2 L3
Commutating
reactor
Isolating
transformer
IT system
U1V1 W1
PE
L1 L2 L3
Commutating
reactor
TN-C system
U1 V1W1
PE
PE
N
L1 L2 L3
Commutating
reactor
Isolating
transformer
TT system
PEN