25
Short Guide for Multi-Ratio CT Testing Using the CT SB2
4 Short Guide for Multi-Ratio CT Testing
Using the CT SB2
Note: For detailed instructions regarding the operation of the CT Analyzer,
please refer to the CT Analyzer User Manual.
The test procedure described below shows an example for a multi-ratio CT test
without using the guesser function of the CT Analyzer. For a more detailed
description of the guesser function, please refer to the CT Analyzer User
Manual.
For reasons of simplicity, the test described below does not use the the burden
measurement and the primary winding resistance measurement.
4.1 Preparing the Test
1. Connect the CT SB2, the CT Analyzer and the CT under test as described in
section 3.3 on page 21.
2. Switch the CT SB2 and the CT Analyzer on.
3. On the CT Analyzer, select "New MR-Test" from the main menu and press
the OK soft key to initialize a new multi-ratio CT test.
4.2 Configuring and Starting the Test
After initializing a new multi-ratio CT test, the default CT-Object card is
displayed on the CT Analyzer.
1. Press the Select Cards soft key in the CT-Object card to open the Select
Cards page. Check, and if necessary make the following test card selection.
When finished, press the Back soft key to return to the CT-Object card.
Test cards required
(add if necessary)
Test cards not required
(remove if necessary)
CT-Object
Secondary Winding Resistance
Excitation
Ratio
Assessment
Burden
Residual Magnetism
Primary Winding Resistance
Press the ... key in the
CT-Object card
Press the Select Cards
soft key
In the Select Cards page,
use the Add or Remove
soft key to select or
deselect a test card
How to get there:
To Next Page
Loading...
