1MRS751802-MUM
REX 521
57
Protection Relay
Technical Reference Manual, Standard Configurations
Fig. 3.3.8.1.-1 Block diagram of the standard configuration H08
3.3.8.2.
Application
The H08 standard configuration for REX 521 is designed to be used in single busbar
systems using one circuit breaker for selective non-directional short-circuit
protection, non-directional time-overcurrent protection, non-directional earth fault
protection, overvoltage protection, undervoltage protection and residual overvoltage
protection.
For more detailed information about the configuration, refer to the application
example of the standard configuration H08 on Section 11.8. Incoming feeder, High
H08/H09.
3U<
27
3U>
59
59N
3I >
50/51
I >
0
50N/51N
U >
0
LO
86
f
P
3U
3I
I
0
U
0
Q
E
pf
TCS
CB CM
0
I
M CS
3I~harm
000
R
3U~harm
CB FP */62
3I2f
68
3
49
H
0
8_a
3U_B
Содержание REX 521
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