Preventive maintenance and early testing of electric motor, generator, turbine, transformer and any other electrical machine is important to maintain the best performance of these machines. Most study shows that preventive maintenance and testing of electric motors will cost companies less than cost of downtime and repair. Here are few more advance kind of electric motor testing.
Corona Activity Analysis (Corona Camera) - A special camera used to record the presence of partial discharge activity otherwise invisible to the naked eye.
Corona radiates energy in the ultraviolet (UV) region of the spectrum, which is invisible to the human eye. Our Corona Camera operates in the ultra-violet spectrum, enabling the skilled technicians to obtain a visible image of surface corona problems during complete daylight conditions, while your equipment remains in service. Corona images are used to generate a technical report with images of problem areas. The information contained in the report is then used to recommend corrective actions necessary to prevent future failures. In a similar manner that infrared technology detects faulty electrical connections, corona imaging detects dangerous corona activity. This type of testing is ideal for outdoor substations and transmission and distribution lines, but also has been used to pinpoint switchgear surface partial discharge locations, and for large motors.Thermography (Thermal Imaging Camera)
The cost of system downtime has resulted in the need to identify developing electrical problems in motors before failures occur. While test equipment for motors has been available for years, only recently have advances in computerization resulted in lower costs and greater capabilities.
Today, equipment is available for energized and de-energized testing to evaluate motor condition. By performing these tests, technicians can identify developing problems and schedule service outages or install replacement units before a failure occurs and interrupts service, and Thermography is one of the best motor testing solution.
Thermal Imaging testing identifies the transfer of infrared heat radiation from an object and provides the means to scan the thermal emissions of various surfaces and display an image of temperature distribution.
Thermal imaging cameras detect radiation in the infrared range of the electromagnetic spectrum (roughly 9000–14,000 nanometers or 9–14 µm) and produce images of that radiation, called thermograms. Since infrared radiation is emitted by all objects above absolute zero according to the black body radiation law, thermography makes it possible to see one's environment with or without visible illumination. The amount of radiation emitted by an object increases with temperature; therefore, thermography allows one to see variations in temperature.
Thermography and Infrared Light
Infrared light or thermography is the use of an infrared imaging and measurement camera to "see" and "measure" thermal energy emitted from an object. Thermal, or infrared energy, is light that is not visible because its wavelength is too long to be detected by the human eye; it's the part of the electromagnetic spectrum that we perceive as heat. Unlike visible light, in the infrared world, everything with a temperature above absolute zero emits heat. Even very cold objects, like ice cubes, emit infrared.
Article Reference: Visit http://www.NewtonElectrical.com for more of kind of electric motor testing, repair and maintenance services. Includes motor & generator rewinding, motor & generator reconditioning, rebuilding motors, excitation system, vibration analysis, precision balancing, power & distribution transformers. Also mechanical services like manufacturing of shafts, rebarr, restack, manufacturing of commutator and collector rings and state of the art laser alignment.
Today, equipment is available for energized and de-energized testing to evaluate motor condition. By performing these tests, technicians can identify developing problems and schedule service outages or install replacement units before a failure occurs and interrupts service, and Thermography is one of the best motor testing solution.Thermal Imaging testing identifies the transfer of infrared heat radiation from an object and provides the means to scan the thermal emissions of various surfaces and display an image of temperature distribution.
Thermal imaging cameras detect radiation in the infrared range of the electromagnetic spectrum (roughly 9000–14,000 nanometers or 9–14 µm) and produce images of that radiation, called thermograms. Since infrared radiation is emitted by all objects above absolute zero according to the black body radiation law, thermography makes it possible to see one's environment with or without visible illumination. The amount of radiation emitted by an object increases with temperature; therefore, thermography allows one to see variations in temperature.
Thermography and Infrared Light
Infrared light or thermography is the use of an infrared imaging and measurement camera to "see" and "measure" thermal energy emitted from an object. Thermal, or infrared energy, is light that is not visible because its wavelength is too long to be detected by the human eye; it's the part of the electromagnetic spectrum that we perceive as heat. Unlike visible light, in the infrared world, everything with a temperature above absolute zero emits heat. Even very cold objects, like ice cubes, emit infrared.
Article Reference: Visit http://www.NewtonElectrical.com for more of kind of electric motor testing, repair and maintenance services. Includes motor & generator rewinding, motor & generator reconditioning, rebuilding motors, excitation system, vibration analysis, precision balancing, power & distribution transformers. Also mechanical services like manufacturing of shafts, rebarr, restack, manufacturing of commutator and collector rings and state of the art laser alignment.
