Omicron Lab CT Analyzer, User Manual

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51
Running a CT Test (Detailed)
3. Enter the CT name plate data listed in the table below to the CT-Object card
(see Figure 4-2).
Figure 4-2 CT-Object card with name plate data entered
Note: Depending on the selected standard and CT type, other or further CT
data may be necessary for a correct assessment. If the "Check "*" settings
before start" option is enabled in the default test settings (see section
5.7.3 on page 70), all parameters that are required for assessment are
marked by a star "*" in the
CT-Object card. In this case, no automatic
assessment will be available if you do not enter data for one or more
parameters marked by a star "*" (see section 6.2.3 on page 82).
I-pn Rated primary current of the CT.
I-sn Rated secondary current of the CT.
Standard Standard to be used for the CT test and the test assessment.
P/M CT type. Set "P" for a protection CT or "M" for a metering CT.
Class Rated accuracy class of the CT. This field becomes available
after selecting the CT type (protection CT or metering CT).
VA Rated power of the CT.
Note: For protection CTs of the IEEE C57.13 classes C, K
and T, the VA parameter is not available. Enter the rated
secondary terminal voltage V
b
instead (see also "Specific
parameters and settings displayed for IEEE C57.13
protection CTs" on page 98).