ABB ACS880-07 - Motor Connection Diagram (with Option +H366); Motor Connection Diagram (Without Option +H366)

￭
Motor connection diagram (without option +H366)
All parallel-connected inverter modules are to be cabled separately to the motor.
360° grounding must be used at the cable entries.

U2
V2
W2
PE
U2
V2
W2
M
3~
U1
W1
V1
PE
Inverter unit cubicle(s)
The recommended cable types are given in the technical data.
WARNING!
The cabling from all inverter modules to the motor must be physically identical
considering cable type, cross-sectional area, and length.

PE
U2
V2
W2
U2
V2
W2
M
3~
U1
W1
V1
PE
Inverter unit cubicle(s)
￭
Motor connection diagram (with option +H366)
With option +H366, the output busbars of the inverter modules within the same cubicle
are connected by bridging busbars. The bridging balances the motor current between
the modules, which allows more cabling options. For example, it is possible to use a
number of cables that could not otherwise be evenly distributed between the inverter
modules.
124 Electrical installation