Vanguard TTRA (ATRT-01, ATRT-03, ATRT-03A, and ATRT-03B) - Manual (Page 47)

REV 5 TTRA VERSION 12.x SOFTWARE MANUAL
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4. If the test plan you would like to use is not in the current directory, click on the “Path:”
button at the top of the window and browse to the directory containing the file. Once
you have located the test plan to be used, click on the filename, and then click on the
“OK” button. The test plan will be loaded and the first test (first data row) will be
selected as shown below:
5. To run a test, click on the “Run Test” button at the bottom of the window. The TTRA will
initiate the test. Once the test is finished, the measured turns ratio, excitation current,
and the phase angle measurement information will be filled in. If the test plan contained
the transformer’s nameplate voltages, the “percentage deviation” and “P/F” columns
will also be filled in.
6. You can enter the resistor value for each phase reading by clicking on the “Res” cell and
entering the value.
7. The header information can also be edited as needed.
8. You can perform the next test by clicking on the “Next Test” button. If you would like to
repeat the last test performed, click on the “Repeat Test” button.