PROTECT ION TR I P UNI TS
3/21
Trip time 3)
Enable/Disable function
Pre Alarm Trip curve
Ekip Dip
with If = 3 I1, t1 = 3 - 12 - 24 - 36 - 48 - 72 - 108 - 144s (2)
Not allowed for UL Not allowed for UL
50 ... 90% I1 Step 1%
t = k / I 2
± 10% If ≤ 6 x In ± 20% If > 6 x In with If > I2, t2 = 0.1 - 0.2 - 0.3 - 0.4 - 0.5 - 0.6 - 0.7 - 0.8s The better of the two data: ± 10% t2 or ± 40 ms with If = 10 In, t2 = 0.1 - 0.2 - 0.3 - 0.4 - 0.5 - 0.6 - 0.7 - 0.8s
yes
-
t = k
yes yes
- -
t = k / I 2
± 15% If ≤ 6 x In ± 20% If > 6 x In Instantaneous
yes
-
t = k
≤ 30 ms with If > I4, t4 = 0.1 - 0.2 - 0.4 - 0.8s
yes
50 ... 90% I4 Step 1%
t = k
The better of the two data: ± 10% t4 or ± 40 ms with If = 3In, t4 = 0.1 - 0.2 - 0.4 - 0.8s
yes
50 ... 90% I4 Step 1%
t = k / I 2
± 15%
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