Supervisory Functions
149
7SS52 V4 Manual
C53000-G1176-C182-3
Figure 5-34 Annunciations and behaviour of the blocking in the case of isolator malfunction and acknowledgement
The following applies for the isolator position:
Blocking occurs only when the bay with the Isolator position fault is assigned to a busbar.
An alarm is generated, e.g. "
$01 $02
" (
FNo. 176.1110/CU
,
176.1115/CU,176.1120/
CU,176.1125/CU,176.1130/CU
).
a) 1-1 Position t
v
= 500 ms 6304/CU is effective
During the delay time t
v
the old isolator position is kept.
b) 0-0 Exceeding of the runtime t
v
= 6301/CU (isolator in “CLOSED“ position)
The isolator position “CLOSED” is kept.
c) 0-0 Auxiliary voltage failure t
v
= 500 ms 6303/CU is effective
During the delay time t
v
the old isolator position is kept.
www
. ElectricalPartManuals
. com
Содержание SIPROTEC 7SS522 V4.6
Страница 326: ...Maintenance and Repair 310 7SS52 V4 Manual C53000 G1176 C182 3 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 432: ...Appendix 416 7SS52 V4 Manual C53000 G1176 C182 3 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 438: ...Index 422 7SS52 V4 Manual C53000 G1176 C182 34 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...