ComAp InteliATS PWR

InteliATS
NT
PWR, SW version 2.5, ©ComAp – May 2015 39
IA-NT- PWR-2.5-Reference Guide.pdf
3 Phase 4 Wires - STAR Connection
2. ConnectionType: 3 Phase 3 Wires
Three phase “delta” measurement – 3PD
3 Phase 3 Wires
– DELTA Connection – HI-LEG (wild-leg, red-leg) DELTA Connection
NOTE:
Only L1, L2 and L3 wires should be connected. In case of HI-LEG DELTA connection the N (neutral)
wire (in the diagram connected between T6 and T9) has to be disconnected.
No separation transformers for three wires voltage connection (without N) are needed.