7
R-DPA96 A/AN
RUDOLF - Ref. : 876 583 A
L1
(
R
)
L2
(
S
)
L3
(
T
)
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
P1
S1
P1
S1
2
1
2
R-DPA96 A/AN 278
UNBALANCED THREE-PHASE NETWORK (3NBL)
The solution with 2 CTs with the 2nd and 3rd phase
current calculated via vectoral summation, results in
an 0.5% reduction in phase accuracy.
P1
S1
P1
S1
L1
(
R
)
L2
(
S
)
L3
(
T
)
P1
S1
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
2
1
2
R-DPA96 A/AN
L1
(
R
)
L2
(
S
)
L3
(
T
)
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
P1
S1
P1
S1
2
2
1
R-DPA96 A/AN
N
P1
S1
P1
S1
L1
(
R
)
L2
(
S
)
L3
(
T
)
P1
S1
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUXS1S2
In
2
1
2
R-DPA96 A/AN 272
UNBALANCED THREE-PHASE NETWORK (4NBL)
N
P1
S1
P1
S1
L1 (R)
L2 (S)
L3 (T)
P1
S1
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
2
1
2
R-DPA96 A/AN
Aux.: 110 … 400 V AC
120 … 350 V DC
12 … 48 V DC
Fus.: 0.5 A gG / BS 88 2A gG / 0.5 A class CC
1
2
Aux.: 110 … 400 V AC
120 … 350 V DC
12 … 48 V DC
Fus.: 0.5 A gG / BS 88 2A gG / 0.5 A class CC
1
2
INSTALLATION