ABB ACS880-07CLC, Hardware Manual

Page: 94 / 214

Connecting the input power cables
￭ Connection diagrams
The connection diagrams below show the input power connections as well as the external
equipment required. The diagrams are simplified. The designer of the drive system must
provide the final, detailed circuit diagrams to the installer.
Connection diagram – 2×D8D, 6-pulse, internal charging
Supply unit cubicle of drive B External installation outside drive cabinet A
DC link 6 Medium voltage/low voltage switchboard 1
Supply modules 7 Supply transformer 2
Charging circuit (F272) 8 Charging switchgear including: 3
• Disconnecting device
AC fuses 9 Supply switchgear including: 4
• Disconnecting device
• Breaker/contactor
360 degrees grounding 10 Overcurrent and short-circuit protection of input
cabling 5
Note:
*) Use symmetrical supply cabling to ensure equal current sharing between parallel diode bridges. Required
minimum length of the cables is 5 meters.
For cable and component selection information, see chapter Guidelines for planning the electrical installation .
94 Electrical installation