The techniques which are used to determine the condition of in-service equipment to predict when maintenance should be performed are called predictive maintenance. The main purpose of predictive maintenance is to allow convenient scheduling of corrective maintenance and to prevent unexpected equipment failures. The maintenance work and resources like spare parts and people can be better-planned by knowing which equipment needs maintenance. The unplanned stops of any plant become shorter and fewer. Increased equipment life time, increased safety, fewer accidents with negative impacts on the environment, and optimized spare parts handling are some of the other benefits.
Thermal imaging is an ideal inspection method for all types of predictive maintenance in the electrical field. Infrared software enable us to see and measure temperatures on defective components and the normal wear, chemical contamination, corrosion, fatigue, and faulty assembly in many electrical systems. In the infrared spectrum, the resistance or molecular friction produced within these problem areas is visible. Overheating can occur in almost all electrical components and hardware, including generators, transformers, insulators, fuse connections, switchgear, and any other hardware. In transmission and distribution systems, thermographic surveys help cut production losses and prevent the failure of these systems. Utilizing infrared software for electrical inspections helps set maintenance priorities, prevent unplanned outages, reduce loss, and maintain high performance.
The handheld thermal imager is a device, which takes images that are combined with the infrared software to enable predictive maintenance. It also facilitates one-handed image-capture operation. The handheld thermal imager uses detector technology to provide a clear thermal image while accurately measuring the temperature. It can measure up to 350C over a broad range of industrial applications and can provide three hours of continuous operation after charging the battery just once. The handheld thermal imager instantly provides non-contact temperature images to quickly determine hot spots and also provides detailed temperature analysis and tracking of critical points through radiometry. Large color LCD displays uncluttered images with data and routing instructions.
After the first inspection, the images taken can be combined in the infrared software with location names and temperature data and uploaded to the imager for use as a routing guide. During subsequent inspections, an on-camera display prompts the user exactly where to take imagesimproving accuracy. The new images are easily compared to previous scans, helping to identify potential problems before they cause failure.
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