AEMC 8500 - Polyphase Connections

20 Digital Transformer Ratiometer DTR
®
Model 8500
4.10 Polyphase Connections
A
H
3
H
2
B
C
H
1
H
0
A
H
3
H
2
B
C
H
1
H
0
A
H
3
H
2
B
C
H
1
H
0
A
H
3
H
2
BC
H
1
H
2
H
1
A
H
3
H
2
BC
H
1
A
H
3
H
2
BC
H
1
A
H
3
H
2
BC
H
1
A
H
3
H
2
B
C
H
1
H
0
a
X
3
X
2
b
c
X
1
a
X
3
X
2
b
c
X
1
X
0
a
X
3
X
2
bc
X
1
X
2
X
1
a
X
3
X
2
b
c
X
1
X
0
a
c
X
2
X
1
b
X
3
a
X
3
X
2
b
c
X
1
X
0
a
X
3
X
2
b
c
X
1
X
0
a
c
X
2
X
1
b
X
3
1
2
3
4
5
6
7
8
9
1 Ø
STD
∆
-
∆
STD
∆ - ∆
REV
∆
-
Y
STD
∆ - Y
REV
Y
-
Y
STD
Y - Y
REV
Y - ∆
STD
Y - ∆
REV
REF
NO.
XFMR
TYPE
1 Ø
H
1
- H
2
X
1
- X
2
V
H
V
X
PHASE
HIGH
VOLTAGE
WINDING
LOW
VOLTAGE
WINDING
TURNS
RATIO
- TRANSFORMER -
HIGH VOLTAGE
WINDING
LOW VOLTAGE
WINDING
H
1
- H
3
(A)
H
2
- H
1
(B)
H
3
- H
2
(C)
X
1
- X
3
(a)
X
2
- X
1
(b)
X
3
- X
2
(c)
A
B
C
H
1
- H
3
(A)
H
2
- H
1
(B)
H
3
- H
2
(C)
X
1
- X
3
(a)
X
2
- X
1
(b)
X
3
- X
2
(c)
A
B
C
H
1
- H
3
(A)
H
2
- H
1
(B)
H
3
- H
2
(C)
X
1
- X
0
(a)
X
2
- X
0
(b)
X
3
- X
0
(c)
A
B
C
H
1
- H
3
(A)
H
2
- H
1
(B)
H
3
- H
2
(C)
X
1
- X
0
(a)
X
2
- X
0
(b)
X
3
- X
0
(c)
A
B
C
H
1
- H
0
(A)
H
2
- H
0
(B)
H
3
- H
0
(C)
X
1
- X
0
(a)
X
2
- X
0
(b)
X
3
- X
0
(c)
A
B
C
H
1
- H
0
(A)
H
2
- H
0
(B)
H
3
- H
0
(C)
X
1
- X
0
(a)
X
2
- X
0
(b)
X
3
- X
0
(c)
A
B
C
H
1
- H
0
(A)
H
2
- H
0
(B)
H
3
- H
0
(C)
X
1
- X
2
(a)
X
2
- X
3
(b)
X
3
- X
1
(c)
A
B
C
H
1
- H
0
(A)
H
2
- H
0
(B)
H
3
- H
0
(C)
X
1
- X
2
(a)
X
2
- X
3
(b)
X
3
- X
1
(c)
A
B
C
V
H
V
X
V
H
V
X
V
H •
√
3
V
X
V
H •
√
3
V
X
V
H
V
X
V
H
V
X
V
H
V
X •
√
3
V
H
V
X •
√
3