Polyphase Connections - AEMC 8500 User Manual

4.10 Polyphase Connections

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