The picture shows 4 identical units, each under similar load conditions. Visually no difference can be seen between them, so it is unlikely that any problem would be noticed before failure. Thermal imaging quickly identifies such faults as shown in the thermal image. This allows planned maintenance to be carried out, rather than having to react to breakdown situations.

The thermal image shows serious overheating on a fuse. With a temperature well in excess of 100° C, this problem needs immediate attention. Faults such as these are often overlooked during routine maintenance. Thermal imaging identifies such problems easily.

The thermal image shows that the top of this fuse termination is seriously over heated. The cause is probably just a loose termination, but with a temperature of 138° C is likely to burn up at any time. A minor fault but it could have major consequences if the plant fails.

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