Inspecting rooftop solar panels with a thermal imaging camera requires combining thermal images with visual inspection and electrical data before deciding on any corrective action. Hot spots may be associated with photovoltaic cells, bypass diodes, junction boxes, connectors, or wiring. However, shading, dirt, reflections, and irradiance conditions can also produce similar thermal patterns.
The proliferation of non-linear loads such as variable frequency drives, rectifiers, induction furnaces, and LED lighting systems is making harmonic pollution a major headache for industrial plants.
A practical overview of pull-off adhesion testing for coatings on rigid substrates, with guidance on dolly selection, test interpretation, and PosiTest AT applications.
An overview of electrical porosity testing for finding pinholes and holidays in cured non-conductive protective coatings, including low- and high-voltage detector selection.
A practical guide to collecting, grading, and reporting loose dust on prepared steel surfaces using the ISO 8502-3 visual comparison method.
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