Functions
6-285
7SA6 Manual
C53000-G1176-C156-2
Voltage sum
internal (measured value
acquisition)
alarm
“
Fail
Σ
U Ph-E
” (165)
as allocated
Voltage symmetry
external (primary plant or
voltage transformers)
alarm
“
Fail U balance
” (167) as allocated
Voltage phase rotation
Extrem (primary plant or
connection)
alarm
“
Fail Ph. Seq.
” (171)
as allocated
Voltage failure,
three-phase,
Fuse failure monitor
external (primary plant or
connection)
alarm
distance protection
blocked
“VT Fuse fail > 10 s” (169) as allocated
Voltage failure,
single-/two-phase,
Fuse failure monitor
external (voltage trans-
formers)
alarm
distance protection
blocked
“VT Fuse fail > 10 s” (169) as allocated
Voltage failure,
three-phase
Extrem (primary plant or
connection)
alarm
distance protection
blocked
“
Fail U meas
” (168)
as allocated
Trip circuit supervision
external (trip circuit or
control voltage failure)
alarm
“
FAIL: Trip cir.
”
(6865)
as allocated
Table 6-13
Summary of the device response to detected failures
Monitoring
Possible causes
Failure response
General alarms
Alarm (function no.)
Output
1
) Following three unsuccessful reboot attempts, the device is taken out of service
2
) D.OK = “Device Okay” = Live contact relay
Содержание siprotec 7SA6
Страница 2: ...Siemens Aktiengesellschaft Book No C53000 G1176 C156 2 ...
Страница 18: ...xviii 7SA6 Manual C53000 G1176 C156 2 ...
Страница 32: ...Introduction 1 14 7SA6 Manual C53000 G1176 C156 2 ...
Страница 82: ...Hardware and Connections 2 50 7SA6 Manual C53000 G1176 C156 2 ...
Страница 119: ...SIPROTEC 4 Devices 4 25 7SA6 Manual C53000 G1176 C156 2 Figure 4 20 CFC Logic example ...
Страница 190: ...Configuration 5 62 7SA6 Manual C53000 G1176 C156 2 ...
Страница 559: ...Control During Operation 7 45 7SA6 Manual C53000 G1176 C156 2 Figure 7 45 Circuit breaker trip test in DIGSI 4 ...
Страница 652: ...Installation and Commissioning 8 78 7SA6 Manual C53000 G1176 C156 2 ...
Страница 724: ...Technical Data 10 56 7SA6 Manual C53000 G1176 C156 ...
Страница 800: ...Appendix A 76 7SA6 Manual C53000 G1176 C156 2 ...
Страница 866: ...Appendix B 66 7SA6 Manual C53000 G1176 C156 2 ...