Abstract
This paper discusses the features of a multichannel device that has been developed to
record optical radiation in the IR, visible, and UV regions. The efficiency of the
device in the diagnosis of high-voltage equipment has been studied on
power-engineering installations, as well in laboratory experiments, using as an
example the detection of defects of a polymeric insulator. It is shown that the
presence of a thermal-vision channel makes it possible to detect a potential defect
of the insulator at an early stage of its development before electrical discharges
appear. At the same time, when, along with thermal anomalies, electric discharges
are detected on the insulator from radiation in the visible and UV regions, it is
possible to speak of a developing defect.
© 2009 Optical Society of America
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