CT Lab Impedo DUO, Руководство пользователя

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Impedo DUO User Guide
97
6.2.4.3 110V Voltage Transformer (VT) Circuits or 400V/550V Direct (Delta/3-
wire systems)
Always connect the safety earth terminal located on the power
connector first!
Table 12: VT circuit connection layout for 3-wire delta connection
Terminal Legend 110V VT Circuit or 400V/550V Delta (3-wire) Systems
1. V
1
Phase 1
2. V
2
Phase 2
3. V
3
Phase 3
4. V
com
Open (Note: V
com
may also be connected to the earthed
Phase/Phase 2 on 110V VT circuits)
5. V
4+
Open
6. V
4-
Open
1) Connect Phase 1,2 and 3 to Voltage Inputs 1-3 as shown in the Figure 60.
2) Leave V
com
open or connect V
com
to the earthed Phase (Phase 2) on 110V VT
circuits.
Figure 63: Impedo Duo 3-wire delta connection
Phase 3
Phase 2
Phase 1