C H A P T E R 1 4 - A T E D I T OR
AT5600 User Manual 98-119 issue 14 Page 334
14.6.13. L2 - Inductance Match
The inductance match test calculates the ratio between two inductances on two
windings. An equivalent series inductance measurement is performed on each
winding by measuring the complex impedance.
This test is suitable for switched mode power supply transformers, and audio &
telecommunication transformers. It checks matching between windings.
On selecting ‘L2 Inductance Match a dialogue box will be displayed.
To program the test:
1. Enter the required values of frequency and current or voltage for the X and
Y windings
(If in doubt, refer to Chapter 7 - ‘Test Conditions’, which lists
recommended test conditions.)
2. Select (mouse click the button) the integration time you require.
'Medium' is the default setting. 'Long' will give more stable readings (for
tighter limits) at the expense of an increased test time, and 'Short' will test
at the maximum speed, but may give a slightly noisier reading. See 7.3
Explanation of Integration.
3. Enter the terminal names between which the X inductance is to be
measured.
4. Enter the terminal names between which the Y inductance is to be
measured.
5. Set the inductance ratio limits.
Note: The Measure button may be used here as outlined in section 14.5.9.
6. Select OK. The test specification will then be displayed in the program
window.
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