Seg WIC1, Справочное руководство

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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]
50Hz, 60Hz
╚═▷ 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 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.
16 WIC1 WIC1-1.0-EN-REF
4 Field settings
4.1 CT – Current Transformer