Omicron CT SB2 User Manual page 85

Table 7-4: Parameters and settings in the CT Object card for the CT Test mode
Parameter Description
I-pn Rated primary current.
Possible values: 1 to 99000A or soft keys 200A, 400A, 600A, 800A, or 1000A.
I-sn Rated secondary current.
Possible values: 0.05 to 25A or soft keys 1.0A, 2.0A, 5.0A, 1.0A/√3, 2.0A/√3,
5.0A/√3.
Default: As defined in the default test settings.
Standard Standard according to which the test has to be performed.
Possible values: Soft keys IEC 60044-1, IEC 60044-6, IEEE C57.13 or IEC 61869-2
Default: Standard defined in the default test settings.
Note: Using the IEEE C57.13 standard for transformers with gapped cores may
possibly deliver incorrect results.
f Rated frequency of the CT.
Possible values: Integer value between 16 and 400 Hz or soft keys 16.7Hz, 50Hz,
60Hz or 400Hz.
Default: Frequency defined in the default test settings.
P/M Definition of CT type: Protection or metering CT.
Possible values: Soft keys Prot. CT, Meter. CT or ?.
Default: As defined in the default test settings.
Class Accuracy class of the CT.
Possible values: Depending on the selected standard.
Default: As defined in the default test settings.
OMICRON
Test cards for CT Test mode
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