Over time, failures in solar panels can cause a severe drop in energy production and in some cases even start a fire or cause damage to the plant if left unchecked. That is why the solar panels should be inspected on a regular basis. As temperatures rise solar panels become less efficient, producing less electricity. Some defects can cause them to break down or even produce a reverse current, which might damage the entire solar plant. Thermal imaging cameras can be used to detect hot spots in the panels from a distance, which makes it a lot easier to find defects before they become devastating breakdowns.
This inspection method is non-destructive and non-invasive. You can use thermal imaging to inspect the solar panels under load, so no shutdown is required. When used properly, thermal imaging cameras will show accurate temperature differences between cells or within a single cell that allow you to identify faults at an early stage.
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