ABB ACx580-01 Series User Manual page 9

Wiring diagram of parallel filters (250-400kW)
1.
The input terminals (U1,V1,W1) of the parallel filter are all connected to the power
supply side, and the output terminals (U2,V2,W2) are all connected to the incoming
line side of the frequency converter.
2.
The over-temperature protection terminals of the parallel filter are connected in
series before connection into the frequency converter.
3.
Before connecting the contactor, A1-A2, B1-B2, and C1-C2 short-connected plates
(short-connected for factory default ) shall be removed, and the rated current of the
contactor shall be greater than I
4.
When connecting in parallel, the contactors with disconnected capacitors on each
filter shall be allocated separately, and it is not allowed to share one contactor with
several filters.
5.
It is recommended that the cable length between the filter and the frequency
converter should not be greater than 10 meters.
Guide on Installation and Debugging of Filters 9
.It is recommended to use AC-3 contactors.
filter