ABB VUCG.N - Type of Connection; Three-Phase Neutral Point (N); Single-Phase (E); Three-Phase Delta (B)

1ZSC000562-AAX en, Rev. 1 | Technical guide VUC 17
Type of connection
Three-phase neutral point (N)
Only one unit is required for all three phases. The transformers
neutral point is in the tap-changer.
Single-phase (E)
Only one unit is required
Three-phase delta (B)
Two units required. Driven by a common motor-drive. One unit
common for two phases.
Three-phase fully insulated, delta (T)
Three units required. Driven by a common motor-drive.
Fig. 31.
Fig. 32.
Fig. 33.
Fig. 34.