Omicron CT SB2 - MR-Config. Card for Advanced MR Test Mode

CT SB2 User Manual
50 OMICRON
9.2 MR-Config. card for Advanced MR Test mode
Use the MR-Config. card to configure the multi-ratio test. In this card, set
► the number of taps available on the CT,
► the "tap in use", i.e., the tap combination (ratio) actually used and connected to the operating burden
during operation of the CT,
► the nominal CT ratios for the tap combinations,
► the nominal burden for each tap combination,
► and select the tap combinations you want to test during the multi-ratio CT test.
If necessary, use the cursor keys to scroll the table.
The current ratio I
pn
/I
sn
and the nominal burden for the full tap combination as well as the operating
burden have to be specified in the CT-Object card, see section 9.1 on page 47.
Figure 9-2: MR-Config. card
The MR-Config. card can be switched to display
• the tap combinations or intertap combinations of the CT with
• the nominal burden values or the operating burden.
Refer to sections 9.2.1 and 9.2.2 on the following pages for more information.
MR-Config. card for a new test after
selecting a predefined multi-ratio scheme
for I
pn
in the CT-Object card
(Advanced MR Test mode).
MR-Config. card for a new test after
specifying the values for I
pn
, I
sn
and VA
manually in the CT-Object card
(Advanced MR Test mode.
Fields underlined by dotted lines can be edited.