ABB REX 521 - Page 181

1MRS751802-MUM
REX 521
181
Protection Relay
Technical Reference Manual, Standard Configurations
Fig. 10.2.1.-1 REX 521 M01 used for protection, measuring and supervision on
an incoming feeder in a single busbar system. The system earthing
on the supplying network is compensated or isolated.
CBFP
62
3I~harm
3I > 50/51
U >
0
59N (67N)
TCS
CBCM
3I
U
0
0
I
MCS
000
R
REX 521 M01
UserIncM01
Application Example 6