Minimum Cable Lengths For Motor Connection To A Motor With One-Winding System - Siemens SINAMICS G150 Operating Instructions Manual

4.7.4 Minimum cable lengths for motor connection to a motor with one-winding
system
Minimum cable lengths for motor connection to a motor with one-winding system for units connected
in parallel
For units connected in parallel for connection to a motor with one-winding system, the
following minimum cable lengths must be adhered to, if a motor reactor (option L08) is not
being used. It must also be ensured that the cables are of the same length.
Table 4- 4
4.7.5 Connecting the motor and power cables
Connecting the motor and power cables on the cabinet unit
Note
Position of the connections
For the location of the connections, see the layout diagrams.
1. Open the cabinet, remove the covers (if necessary) in front of the connection panel for
motor cables (terminals U2/T1, V2/T2, W2/T3; X2) and power cables (terminals U1/L1,
V1/L2, W1/L3; X1).
2. Move or remove the bottom plate below the connection panel through which the motor
cables are fed.
3. Screw the protective earth (PE) into the appropriate terminal (with earth symbol) (50 Nm
for M12) at the points provided in the cabinet.
4. Connect the motor cables to the connections.
Make sure that you connect the conductors in the correct sequence: U2/T1, V2/T2,
W2/T3 and U1/L1, V1/L2, W1/L3!
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
Minimum cable lengths
Article number
6SL3710-2GH42-8EA3
6SL3710-2GH42-0EA3
6SL3710-2GH42-2EA3
6SL3710-2GH42-4EA3
6SL3710-2GH42-7EA3
Unit rating [kW]
3 AC 660 ... 690 V
1750
1950
2150
2400
2700
Electrical installation
4.7 Power connections
Minimum cable length [m]
12
10
8
8
10
85