4.8 Weak-Infeed Tripping (French specification)
461
7SA522 Manual
C53000-G1176-C155-3
4.8 Weak-Infeed Tripping (French specification)
Operating Mode
Undervoltage
Times
Stage timers
Phase segregated undervoltage detection after reception of a carrier signal from the remote end
Set value U
PhE
< (factor) 0.10 to 1.00 Increments 0.01
Dropout/pickup ratio Approx. 1.1
Pick-up tolerance ≤ 5%
Receive prolongation 0.00 s to 30.00 s Increments 0.01 s
Enable delay 0.00 s to 30.00 s Increments 0.01 s
Alarm time 0.00 s to 30.00 s Increments 0.01 s
Pick-up tolerance 1 % of setting value or 10 ms
Delay (single-pole) 0.00 s to 30.00 s Increments 0.01 s
Delay (multi-pole) 0.00 s to 30.00 s Increments 0.01 s
Pick-up tolerance 1 % of setting value or 10 ms
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