Alstom MBCH - Page 39

39
Figure 11 Two winding transformer with unmatched line current transformers
1574.6 A
1600/1A
11kV
66kV
300/1A
30 MVA
/
0.875
0.875 A
0.984 A
Ratio
262.43 A
Differential Relay
MBCH12
0.984
S1
S4
0.887 tap, ie. P1
P2
2
6
(link S2 – S3)