Seg WI Series - Functionality

4.3.1
Functionality
L3
L1
L2
L2
Phase Overcurrent Stage
wiPDOC_Y19
24
I . Pickup IL1
I = I>, I>>, I>>>
2
I . Active
5
Please Refer To Diagram: IH2
IH2 . Block. L1
6
Please Refer To Diagram: IH2
IH2 . Block. L2
7
Please Refer To Diagram: IH2
IH2 . Block. L3
I .
I
25
I . Pickup IL2
26
I . Pickup IL3
19
I . Pickup
&
&
&
≥1
IL1
IL2
IL3
INV
L3
L1
Φ
0
t
I .
tChar
I .
tReset
I .
Reset Mode
I .
t
I .
tMin
DEFT
t
I .
t
0
≥1
≥1
≥1
44
45
46
DEFT
INV *
I .
Char
Fig. 52:
Phase Overcurrent functionality, part 1 – pickup.
*
“INV” symbolizes a selected inverse-time characteristics.
139WIC1WIC1-1.0-EN-MAN
4 Protective Elements
4.3.1 Functionality