ABB REX 521 - Application

1MRS751802-MUM
REX 521
39
Protection Relay
Technical Reference Manual, Standard Configurations
Fig. 3.3.2.1.-1 Block diagram of the standard configuration H02
3.3.2.2. Application
The H02 standard configuration for REX 521 is designed to be used in single busbar
systems using one circuit breaker for selective directional and non-directional short-
circuit protection, directional and non-directional time-overcurrent protection,
directional earth fault protection and automatic reclosing.
For more detailed information about the standard configuration, refer to the
application example of the standard configuration H02 on Section 11.2. Incoming
feeder, High H02.
3I>
67
I
0
>
67N
49F
3
3I
2f
>
68
I>
46
0
I
79
LO
86
CBFP
*/62
3I >
50/51
f</f> 81U/81O
f
P
3U
3I
I
0
U
0
Q
E
pf
TCS
CBCM
MCS1
3I~harm
000
R
3U~harm
0
I
REX 521 H02
H02