21
Acuvim-L
3-Phase 3-Line direct connection mode (3LL)
In a 3-Phase 3-Line system, power line A, B and C are connected to V1, V2 and V3
directly. Vn is floated. The voltage input mode of the meter should be set to 3LL.
Fig.2-14 3LL 3-phase 3-line direct connection
3-Phase 3-Line open Delta Mode (2LL)
Open delta wiring mode is often used in high voltage system. V2 and Vn
connected together in this mode. The voltage input mode of the meter should
be set to 2LL for this voltage input wiring mode.
Fig.2-15 2LL with 2PTs
LINE
LOAD
V1
V2
V3
V
N
Acuvim-L
7
8
9
10
A
B
C
1A FUSE
ALUM0223
LINE
LOAD
V1
V2
V3
Acuvim-L
7
8
9
A
B
C
10
Vn
1A FUSE
ALUM0224
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