C H A P T E R 1 4 - A T E D I T OR
AT5600 User Manual 98-119 issue 14 Page 327
4. Similarly, select the high and low terminals of the primary and secondary
windings.
In the case of a two-winding transformer, choose both the primary winding and
the energized winding to be the one with the highest number of turns.
5. Select (mouse click the button) Ratio (%), or Turns (#) limits.
Enter the required limits:
Ratio (%)
Enter the nominal Primary to Secondary ratio, together with the
limits as positive and negative percentage values.
Turns (#)
In turns mode, you may set upper and lower limits on the
primary and secondary windings. The transformer tester will
then set limits on the turns ratio which are equal to the sum of
these two errors, e.g.:
primary 100 turns ± 2 turns
secondary 100 turns ± 2 turns
the tester will set the following limits on the ratio:
upper limit = 104/100 lower limit = 96/100
If you wish to set limits on only one winding, you must enter zero (0) as the
limit for the other winding.
Note: The measure button may be used here as outlined in section 14.5.9.
6. If required, the polarity of the test can be checked. Click on the expected
polarity of the transformer turns, otherwise disable the test by selecting ‘No
Test’.
7. Select OK. The test specification will be displayed in the program window
on the screen.
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