Seg WI Series User Manual

4.5.1
Functionality
Earth current protection stage
wiEDOC_Y19
27
IG . Pickup
IG = IG>, IG>>
37
IG . Trip
INV
Φ
0
t
IG .
tChar
IG .
tReset
IG .
Reset Mode
19
21
Trip
IG .
Definition
Alarm
20
IG . Alarm
&
&
[Device planning / Definition]
DEFT
IG .
t
t
0
&
&
IG .
tMin
≥1
◄
2
IG . Active
5
Please Refer To Diagram: IH2
IH2 . Block. Ph.
IG .
IG
&
CT .
IG Source
Φ
IG
IG .
Char
DEFT
INV *
◄
[Field Para / General Settings]
IG .
IH2 Blo
Inactive
Active
&
measured
calculated
Fig. 55:
Functionality of the ground (earth) overcurrent stages.
* “INV” symbolizes a selected inverse-time characteristics.
149WIC1WIC1-1.0-EN-MAN
4 Protective Elements
4.5.1 Functionality

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English