8
RUDOLF - Ref. : 876 583 A
R-DPA96 A/AN
INSTALLATION
BALANCED THREE-PHASE NETWORK (3BL/4BL)
The solution using one CT, with the 3rd phase current
calculated via vectoral summation, results in an 0.5%
reduction in phase accuracy.
P1
S1
L1
(
R
)
L2
(
S
)
L3
(
T
)
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
2
1
2
R-DPA96 A/AN
P1
S1
L1 (R)
L2 (S)
L3 (T)
N
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
2
1
2
R-DPA96 A/AN
P1
S1
L1
(
R
)
L2
(
S
)
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
2
1
2
N
P1
S1
L1
(
R
)
S2 S1 S2 S1 S2S1
I2 I3I1
V1 V2 V3 VN AUX
2
1
2
R-DPA96 A/AN
R-DPA96 A/AN 284 D
TWO-PHASE NETWORK (2BL)
SINGLE-PHASE NETWORK (1BL)
AAA
aaa
L1 (R)
L2 (S)
L3 (T)
V1 V2 V3 VN AUX
1
2
R-DPA96 A/AN
VOLTAGE TRANSFORMER
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
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
1