Omicron CP SB1 - Page 26

CP SB1 User Manual
26
Dd8 A U-V / H1-H2 v-w / X2-X3 1
B V-W / H2-H3 w-u / X3-X1
C W-U / H3-H1 u-v / X1-X2
Dd10 A U-V / H1-H2 u-w / X1-X3 1
B V-W / H2-H3 v-u / X2-X1
C W-U / H3-H1 w-v / X3-X2
Dyn1 A U-V / H1-H2 n-v / X0-X2 1*√3
B V-W / H2-H3 n-w / X0-X3
C W-U / H3-H1 n-u / X0-X1
Dy1 A U-(V+W) /
H1-(H2+H3)
u-v / X1-X2 √3/2
BV-(U+W) /
H2-(H1+H3)
v-w / X2-X3
C W-(U+V) /
H3-(H1+H2)
w-u / X3-X1
Table 3-1 Different Vector Groups (continued)
IEC
60076
vec-
tor
group
Winding connection Mea-
sure-
ment
Trans-
former
high-
voltage side
Trans-
former
low-voltage
side
Mea-
sured
turn
ratio
HV / H LV /X
U/H1
W/H3
V/H2
u/X1
w/X3
v/X2
U/H1
W/H3
V/H2
u/X1
w/X3
v/X2
U/H1
W/H3
V/H2
u/X1
w/X3
v/X2
U/H1
W/H3
V/H2
u/X1
w/X3
v/X2