
Technical Data
55
Auto-Reclosing (ANSI 79)
Item
Rang or Value
Tolerance
Number of reclosing shots
Up to 4
Shot 1 to 4 is individually
selectable
AR initiating functions
Internal protection functions
External binary input
Dead time, separated setting for
shots 1 to 4
0.05 s to 60.00 s, step 0.01 s
≤ ± 1 % setting value or +50 ms
Reclaim time
0.50 s to 60.00s, step 0.01 s
Blocking duration time (AR reset
time)
0.05 s to 60.00s, step 0.01 s
Circuit breaker ready supervision
time
0.50 s to 60.00 s, step 0.01 s
Dead time extension for
synch-check (Max. SYNT EXT)
0.05 s to 60.00 s, step 0.01 s
VT secondary circuit supervision (97FF)
Item
Range or value
Tolerances
Minimum current
0.08Ir to 0.20Ir, step 0.01A
≤ ±3% setting or ±0.02Ir
Minimum zero or negative
sequence current
0.08Ir to 0.20Ir, step 0.01A
≤ ±5% setting or ±0.02Ir
Maximum phase to earth voltage
7.0V to 20.0V, step 0.01V
≤ ±3% setting or
±
1 V
Maximum phase to phase
voltage
10.0V to 30.0V, step 0.01V
≤ ±3% setting or
±
1 V
Normal phase to earth voltage
40.0V to 65.0V, step 0.01V
≤ ±3% setting or
±
1 V
Содержание CSC-161
Страница 1: ...CSC 161 Line Protection IED Product Guide ...