Seg WI Series User Manual

4.2 Field Parameters
Within the 󰊟eld parameters you can set all parameters that are relevant for the primary side
and the mains operational method.
These are in particular the setting of the rated CT current, ╚═▷ “11.1.3 Setting of the Rated
CT current In”, but also e. g. the nominal frequency and phase sequence, ╚═▷ “4.2.1 Field
Parameter Settings via DiggiMEC or via Smart view”.
All 󰊟eld parameters are accessible via the menu branch [Field Para].
4.2.1
Field Parameter Settings via DiggiMEC or via Smart view
⚙
1. ▷
Select the Phase Sequence:
• [Field Para / General Settings] »Phase Sequence« =•
Options:
◦ “ABC” — “rotating clockwise” phase sequence.◦
◦ “ACB” — “rotating counter-clockwise” phase sequence.◦
2. ▷
Select the nominal frequency:
• [Field Para / General Settings] »f« =•
Options:
◦ “50” — nominal frequency f
N
= 50 Hz.◦
◦
“60” — nominal frequency f
N
= 60 Hz.
◦
3. ▷
Select whether the current measurement is based on the “Fundamental” or if “True
RMS” measurement is used.
• [Field Para / General Settings] »CT . Measuring method« =•
Options:
◦ “Fundamental”◦
◦ “True RMS”◦
4. ▷
If your WIC1 variant features a ground current measuring input, select whether the
ground current protection shall operate with calculated or measured ground (earth)
current:
• [Field Para / General Settings] »CT . IG Source« =•
Options:
◦ “calculated” — use calculated ground (earth) current.◦
◦ “measured” — use measured ground (earth) current.◦
5. ▷
Specify the properties of the Current Transformers, in particular the CT type and the
relative or primary rated current.
• [Field Para / CT] »CT . CT Type« =•
Options:
◦ “Relative” — Current values can only be displayed as relative values.◦
136 WIC1 WIC1-1.0-EN-MAN
4 Protective Elements
4.2 Field Parameters

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English