Affiliation:
1. Gdansk University of Technology, Gdansk, Poland
Abstract
Testing of AC/DC power supplies using the thermography was carried out in
order to assess their assembly and operation correctness before launching
them on the market. The investigation was carried out for 17 AC/DC power
supplies which passed the standard tests (measurements of their basic
parameters and characteristics). The investigation consisted of two steps. In
the first step the dispersion of temperature on power supply boards was
measured after 20 minutes operating in nominal conditions. Three regions were
defined as potentially revealing a failure. In the second step the acceptable
temperature increments on the boards of tested power supplies were evaluated.
It was proposed to assess properties of power supplies on the basis of
temperature increments on their boards, registered by an infrared camera
either for 12 minutes or up to 20 minutes.
Publisher
National Library of Serbia
Cited by
1 articles.
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