C H A P T E R 1 4 - A T E D I T O R
AT5600 User Manual 98-119 issue 14
Page 356
14.6.30.
STRX - Stress Watts (External Source)
The Stress Watts (External Source) test tests the transformer for breakdown of
winding insulation by measurement of the energizing power of a winding, usually
the primary, with the remaining windings open circuit. This test applies the voltage
from an external AC source (usually at twice the normal operating voltage and
frequency), and measures the power drawn.
This test uses an external source to provide the test signal which must be coupled
to the tester via a Voltech AC Source Interface (contact your supplier for details).
See the AC Source Interface user manual or the Editor help system for details of
how to configure external AC sources for use with an AT5600.
On selecting "STRX Stress Wattage (External Source)" from the available tests
window, the following dialogue box is displayed:
To program the test:
1. Enter the voltage and frequency parameters of the test signal.
2. Enter the dwell time for the test signal.
3. Enter the terminal names of the winding to energize.
4. Enter the power limit to test against. Either use max. - Min. (><) limit or test
against just a maximum (<) limit if required.
5. Select OK. The test specification will then be displayed in the program
window.
Содержание AT5600
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