Infrared Thermography is the graphic characterization of temperature (non destructive, non invasive and without contact) of the surface of an object. It is usually used to diagnose the thermal behavior and this way to be able to measure the operation of an equipment and the integrity of the materials, products and processes. The device used to obtain these images of temperature (thermograms) is the thermal imager; which transforms the infrared (invisible to our eyes) images in visible images.

With the infrared thermography we can find problems like:

	It overloads in electric motors and windings.
	It overloads in the windings of electric generators.
	Reinforcement contact.
	Unions with high resistance.
	Corroded connections, slack or inadequate.
	Fusible faulty.
	Abnormal temperatures of operation in transformers.
	Desbalance of loads.