Characteristic |
Value |
||
---|---|---|---|
Operate time 1 |
NPS function |
UFault = 1.1 × set Neg Seq voltage Lev UFault = 5.0 × set Neg Seq voltage Lev |
<38 ms <24 ms |
Delta function |
|||
ΔU = 1.1 × set Voltage change rate ΔU = 2.0 × set Voltage change rate |
<35 ms <28 ms |
1 Includes the delay of the signal output contact, fn = 50 Hz, fault voltage with nominal frequency injected from random phase angle, results based on statistical distribution of 1000 measurements