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See how thermal imaging is used in technical surveys, predictive maintenance and fault diagnosis in buildings & industrial applications.
Heat dissipation can be seen in the thermal image, the temperature is rising towards the neutral supply cable termination which was due to poor electrical contact at the cable termination point within the switch assembly.
Due to the temperatures recorded and the importance of the equipment, this fault was given a priority 1 category requiring urgent action to be carried out.
The engineering team were fully informed of the defect who immediately took action to reduce the load from the distribution board which reduced the high temperature on the cable enabling full remedial works to be scheduled around business operations.
If this defect were left undetected there was a significant risk of fire which would have resulted in power loss to vital equipment.
This anomaly was identified just in time before permanent damage was caused to the cable. If left for much longer the cable temperature would have likely increased to the melting point of the cable presenting a significant risk of short circuiting and explosion, leading to considerable business interruption losses and large repair costs.
Load measurements were recorded by the Engineering team on site which were then compared to the design specifications of both the overloads and driven load. This revealed that the load was too high which was later found to be due to extraction filters being blocked within the process. The filters were then replaced which reduced operational load on the fan motors to within the design settings for the overload and fan motors.
These examples show that in the right hands, thermography is an excellent predictive maintenance tool than can provide a superb assessment of the electrical condition and operational performance of process related equipment.