ABB REX 521 - Page 156

156
1MRS751802-MUM
Protection Relay
Technical Reference Manual, Standard Configurations
REX 521
Fig. 9.3.1.-1 B01 is used for protection, measuring and supervision on an
outgoing, an incoming and a transformer feeder in a single busbar
system.
49F
3
3I > 50/51
I >
0
50N/51N
I >
46
CBFP
62
TCS
CBCM
3I
I
0
0
I
MCS
3I~harm
000
R
REX 521 B01
3I > 50/51
I >
0
50N/51N
CBFP
62
TCS
CBCM
3I
I
0
0
I
MCS
3I~harm
000
R
REX 521 B01
CBFP
62
3I > 50/51
3I >
2f
68
TCS
CBCM
3I
I
0
0
I
MCS
3I~harm
000
R
REX 521 B01
UserTransF
Application Example 1
Application Example 2
Application Example 3