Automatic Reclosure Function - Siemens siprotec 7SA6 User Manual

10.12 Automatic Reclosure Function

Automatic
Reclosures
Adaptive Dead
Time (ADT)/
Reduced Dead
Time (RDT)/
Dead Line Check
7SA6 Manual
C53000-G1176-C133-1
Number of reclosures
Operating modes
Control
Action times
Initiation possible without pick-up
and action time
Different dead times before
reclosure can be set for all
operating modes and cycles
Dead times after evolving fault
recognition
Reclaim time after reclosure
Blocking time after dynamic
blocking
Blocking time after manual closing 0.50 s to 300.00 s ; 0
Start signal monitoring time
Circuit-breaker supervision time
Operating modes (ADT)
Action time
Initiation possible without pick-up
and action time
Maximum dead time
Voltage measurement dead-line
or bus
Voltage measurement live or bus
Voltage supervision time for
dead / live line or bus
Time delay for close command
transmission
max. 8,
first 4 with individual settings
1-pole, 3-pole or 1-/3-pole
with pick-up or trip command
0.01 s to 300.00 s; ∞
(steps 0.01 s)
0.01 s to 1800.00 s; ∞
(steps 0.01 s)
0.01 s to 1800.00 s;
(steps 0.01 s)
0.50 s to 300.00 s
(steps 0.01 s)
0.5 s
(steps 0.01 s)
0.01 s to 300.00 s
(steps 0.01 s)
0.01 s to 300.00 s
(steps 0.01 s)
with voltage measurement or
with close command transmission
0.01 s to 300.00 s; ∞
(steps 0.01 s)
0.50 s to 3000.00 s; ∞
(steps 0.01 s)
2 V to 70 V (phase-to-earth)
(steps 1 V)
30 V to 90 V (phase-to-earth)
(steps 1 V)
0.10 s to 30.00 s
(steps 0.01 s)
0.00 s to 300 s; ∞
(steps 0.01 s)
Technical Data
10-29