Inspection 6 maintenance of a three-phase pad mounted transformer

Opening a cabinet to perform maintenance on a pad-mounted transformer presents an inherent safety risk. These safety guidelines are meant to protect workers, but can’t completely remove all the risks. Unseen critical issues could be hiding behind closed cabinet doors, leading to shock hazards or even an arc flash event. Before a technician can open the cabinet doors, they must complete a job safety analysis (JSA) and a job hazard analysis (JHA).

The solution
Combining an infrared camera and IR Windows can provide a multitude of
benefits. IR Windows allow inspectors to determine whether any corrective measures are needed, without having to open the cabinet doors. FLIR IRWx-PS large-format windows are designed to meet IP67/NEM 6, with dust/water resistant protection and anti-corrosion features. The FLIR E75 can record visual, thermal, and enhanced thermal images to help inspectors identify hot spots.

The results
IR Windows paired with an inspection routine using IR cameras allow companies to be proactive rather than reactive, catching major issues, before they escalate enough to cause an outage. IR Windows can significantly reduce inspection times, because inspectors armed with IR cameras can scan through the windows for issues with overheating terminations, cables or windings.

For more details,
e-mail: flirindia@flir.com.hk