Siemens SINAMICS G150, Operating Manual

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Electrical Installation 11/03
SINAMICS G150
4-2
Operating Manual
4.2 Electrical Installation: Checklist
Use the following checklist to guide you through the electrical installation procedure
for the cabinet unit. Read the safety notes at the start of these operating
instructions before you start working on the device.
NOTE
Check the boxes accordingly in the right-hand column if the activity applies to the
cabinet unit in your scope of supply. In the same way, check the boxes once you
have finished the installation procedure to confirm that the activities are complete.
Item Activity Fulfilled/Complete
Power Connections
1 The line-side and motor-side power cables must be dimensioned and
routed in accordance with the ambient and routing conditions. The
maximum permissible cable lengths between the converter and motor
must be observed depending on the type of cable used (see Section
4.6.1).
The motor ground must be fed back directly to the cabinet unit.
The cables must be properly connected with a torque of 50 Nm to the
cabinet unit terminals. The cables for the motor and low-voltage
switchgear must also be connected with the required torques.
2 The cables between the low-voltage switchgear and the cabinet unit must
be protected with line fuses for conductor protection (VDE 636, Part 10).
With version C, combined fuses must be used for conductor and semi-
protection (VDE636, Part 40 / EN60269-4). See “Technical Data” for the
appropriate fuses.
3 For strain relief, the cables must be clamped on the cable clamping bar (C-
bar).
4 When EMC-shielded cables are used, screwed glands that connect the
shield to ground with the greatest possible surface area must be provided
on the motor terminal box. On the cabinet, the cables must be grounded
with the clips supplied with the EMC shield bar with the greatest possible
surface area (shield bar supplied with option L00 or can be ordered
separately with option M70 – see Chapter 4.5).
5 The cable shields must be properly applied and the cabinet properly
grounded at the appropriate points (see Chapter 4.5).
6 The voltage for the fan transformer (-U1-T10) for versions A and C, and
the internal power supply (-A1-T10) for version A must be adapted to the
supply voltage of the cabinet unit (see Section 4.6.3).
7 Before the cabinet is operated from an ungrounded supply/IT supply, the
connection bracket for the basic interference suppression device must be
removed (see Section 4.6.5).