ABB REC 561 - Appendix; Terminal Diagrams

ABB Network Partner AB
Loss of power system voltage
Version 1.0-00
1MRK 580 153-XEN
Page 5 - 100
6 Appendix
6.1 Terminal diagrams
Fig. 2 Simplified terminal diagram of the function
Fig. 3 Terminal diagram of the function
(X80153-2
)
LOV--BC
LOV--TRIP
LOV--VTSU
LOSS OF POWER SYSTEM VOLTAGE
U<, t
(X80153-3)
t
7s
&
t
10s
1
V
&
&
t
3s
1
V
1
V
t
150ms
&
L1
L2
L3
U<
LOV--BC
LOV--VTSU
LOV--TRIP
LOSS OF POWER SYSTEM VOLTAGE