Parameters And Settings Used Or Determined During The Test - Omicron Lab CT Analyzer User Manual

CT SB2 User Manual
6.2.2 Parameters and Settings Used or Determined During the
Test
40
Parameter Description
Number of Taps Overall number of tap connections available on the multi-
ratio CT.
Possible values: Soft keys No. Taps 2, No. Taps 3,
No. Taps 4, No. Taps 5 or No. Taps 6.
If the number of taps selected is 5 or 3, the CT Analyzer
offers soft keys with predefined CT ratios when the "I-pn"
field is selected in the CT-Object card (see "I-pn" on
page 36).
The default number of taps can be selected using the
Select Startup Mode option in the Setting Menu, see
chapter 5 on page 33.
Note: When testing a single-ratio CT using the CT SB2
switch box, select No. Taps 2. However, single-ratio CT
testing should preferably be performed using the normal
single-ratio CT test mode of the CT Analyzer without using
the CT SB2.
Tap in Use The tap combination actually used during operation of the
CT (e.g. X1-X4).
Select the tap combination using the soft keys (for example
X1-X5, X1-X4). To select an intertap combination for the tap
in use, press the Show Inter Taps soft key. The
MR-Config. card then offers soft keys for the intertap
combinations (for example X2-X4, X3-X4).
For the tap combination selected here, the CT Analyzer
displays the detailed test results in the Resistance,
Excitation and Ratio cards. The automatic test
assessment in the Assessment card is however always
done for the full tap combination given by the
Number of Taps (e.g. for X1-X5 if number of taps = 5). See
sections 6.4 and 6.5 on page 47.
Note: By default, the "Tap in Use" is set to the full tap
combination given by the "Number of Taps".