ABB Switzerland Ltd REG 316*4 1MRB520049-Uen / Rev. F
3-48
List of all the compensation matrices for R phase
(S and T phases cyclically rotated):
Compensation matrices Amplitude factor
(R phase)
A = ( 1 0 0) 1
B = (-1 0 0) 1
C = ( 1 -1 0)
1 / 3
D = (-1 1 0)
1 / 3
E = ( 1 0 -1)
1 / 3
F = (-1 0 1)
1 / 3
G = ( 2 -1 -1) 1 / 3
H = (-2 1 1) 1 / 3
J = (-1 2 -1) 1 / 3
K = ( 1 -2 1) 1 / 3
L = (-1 -1 2) 1 / 3
M = ( 1 1 -2) 1 / 3
N = ( 0 1 0) 1
O = ( 0 -1 0) 1
Table 3.5.1.1 Compensation matrices and associated ampli-
tude factors
a) Star connection on winding 1
Two-winding transformer:
Group Comp. matrix Comp. matrix
Winding 1 Winding 2
Yy0 E E
Yy6 E F
Yd1 E A
Yd5 C B
Yd7 E B
Yd11 C A
Yz1 E G
Yz5 C H
Yz7 E H
Yz11 C G