Thytronic DMC3S - Page 57

57
DMC3S - Manual - 08 - 2021
F_59N-Char.ai
Inverse time trip characteristics of the rst threshold of the residual overvoltage protection (59N)
1.1
2 3 4
t UE>= 100 s
t UE>= 10 s
t UE>= 1 s
t UE>= 0.1 s
1.5
0.01
0.1
1
10
100
1000
10000
t [s]
Note: the set operating time refers to a voltage of UE /UE>inv = 1.5
t =
tUE>inv
·
[(UE /UE>inv) - 1]
0.5
t =
tUE>inv
·
[(UEC /UE>inv) - 1]
0.5
UE /UE>inv
UEC /UE>inv