Seg WI Series - Operating Concept for the WIC1; Supply of a WIC1

4 Field settings
4.1
CT – Current Transformer
4.1.1
CT: Settings
CT . Phase Sequence [Field Para / General Settings]
ABC ABC, ACB
╚═▷ Phase Sequence
P.1
Phase Sequence
CT . f [Field Para / General Settings]
50 Hz, 60 Hz
╚═▷ fN
P.1
Nominal frequency
CT . Measuring method [Field Para / General Settings]
Fundamental Fundamental, True RMS
╚═▷ Measuring method
P.1
Measuring method for the protection stages I>, I>>, I>>>, IG>, IG>>: Fundamental or RMS
CT . IG Source [Field Para / General Settings]
If: Device Variant with Ground Current Inputs = True
• calculated, measured•
If: Device Variant with Ground Current Inputs = False
• calculated•
╚═▷ IG Source
P.1
Selection if measured or calculated ground current should be used.
CT . Display of Meas. Values [Field Para / CT]
Based on In,relative
Only available if:
• Prot . Settings valid = Software•
If: CT . CT Type = Relative
• Based on In,relative•
If: CT . CT Type ≠ Relative
• Based on In,relative, Primary current values•
╚═▷ Display of Meas. Values
P.1
Select the preferred scaling/unit for the display of measurement values.
17WIC1WIC1-2.0-EN-REF
4 Field settings
4.1 CT – Current Transformer