All rights reserved. No portion may be reproduced without written consent
16
RAYTECH Switzerland
Transformer type
Winding Measurement
Vector Group
Phase
HV Winding
LV Winding
A
H1-H3
X3-X1
D-d 6
B
H2-H1
X1-X2
C
H3-H2
X2-X3
A
H1-H3
X2-X1
D-d 8
B
H2-H1
X3-X2
C
H3-H2
X1-X3
A
H1-H3
X2-X3
D-d 10
B
H2-H1
X3-X1
C
H3-H2
X1-X2
A
H1-H3
X1-X0
D-yn 1
B
H2-H1
X2-X0
C
H3-H2
X3-X0
A
H1-H3
X0-X2
D-yn 3
B
H2-H1
X0-X3
C
H3-H2
X0-X1
A
H1-H3
X3-X0
D-yn 5
B
H2-H1
X1-X0
C
H3-H2
X2-X0
A
H1-H3
X0-X1
D-yn 7
B
H2-H1
X0-X2
C
H3-H2
X0-X3
A
H1-H3
X2-X0
D-yn 9
B
H2-H1
X3-X0
C
H3-H2
X1-X0
A
H1-H3
X0-X3
D-yn 11
B
H2-H1
X0-X1
C
H3-H2
X0-X2