Vanguard EZCT-2000 - Manual (Page 41)

REV 1 EZCT-2000 VERSION 1.x SOFTWARE MANUAL
39
5. For each tap connection you would like to test, click on the check box under each test
type that you would like to perform. For example, to perform a ratio test on the X1-X5
tap connection, check the check box under the “Ratio Test” column in the X1-X5 row.
NOTE
The Winding Resistance Test is only available for the EZCT-2000 and EZCT-
2000B models. This option will be activated only if the Excitation Test is
checked first.
If you have checked the box under the “Winding Res Test” column, the
“Edit” button under the “Current Ratio Error Calculation” box will also
become available. Clicking on this button will display the current ratio error
calculation parameters as shown below:
If you would like to run this test, click on the “Run Test” checkbox and then
enter the test parameters in the fields below (“Max Burden”, “Power
Factor”, and “Rated Sec Cur”). Click on the “OK” button to save the settings.
a. Once a test has been selected for a tap connection, the “Nameplate Ratio” input
fields will be activated. Enter the nameplate ratio values for the tap connection.
b. Select the excitation voltage from the “Excitation Voltage” drop-down list
corresponding to the tap connection.
c. Select the excitation current from the “Excitation Current” drop-down list
corresponding to the tap connection.
d. Enter any relevant test notes in the corresponding “Test Note” field.
6. EZCT-2000B only
a. If you would like to run an insulation test, click on the “Run Insulation Test”
check box and then select the insulation test voltage by clicking on the
corresponding radio button.
b. If you would like to run a burden test, click on the “Run Burden Test” check box
and then select the burden test current by clicking on the corresponding radio
button.