Temperature Measurement with a Thermographic Camera

Non-contact Fault Diagnosis and Energy Efficiency in Electrical Installations

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Non-contact Fault Diagnosis and Energy Efficiency in Electrical Installations

Thermographic camera temperature measurement is a pioneering diagnostic and maintenance tool that detects thermal anomalies in industrial electrical installations, rotating machinery motors, transformers, and connection points quickly and without contact.

Thanks to infrared technology, real-time thermal images are obtained while equipment is operating without the need to interrupt the power supply; this reveals hidden faults and enables preventative measures before an accident occurs.

Periodic Inspection Requirement and Electrical Safety

Temperature measurement with a thermographic camera is mandated by the Regulations on Health and Safety Conditions in the Use of Work Equipment, the Regulations on Electrical Installations, and the Periodic Inspection Criteria for Electrical Installations in Buildings. The inspection, using non-contact infrared thermography measurements, investigates the source of equipment overheating and allows for early diagnosis of malfunctions.

Electrical panel overheating problems can be caused by loosened cables, contactor failures, relay issues, or fuse overheating. Thermographic inspection involves scanning the components inside the panel and identifying areas that are overheating.

Typical overheating problems occur at ambient temperatures above 45°C. Emergency repairs are required when contactors and relays over 60°C and wiring over 70°C. Loose connections create arcing, posing a risk of sparks and fire.

Hot spot detection locates temperature differences in the bearings, wound sections, or rotor sections of motors. Internal motor faults, bearing wear, carbon buildup, and internal short circuits typically create hot spots.

In thermographic examination, detecting a region on the engine surface that is 20°C hotter than normal signals engine failure. In this case, engine maintenance and repair are necessary. Hot spot detection allows for intervention before the engine breaks down, eliminating the need for expensive engine replacement.

Thermal analysis of motors is a periodic inspection that involves measuring the temperature of the stator windings, bearings, output, and connection points of three-phase electric motors. Under normal operating conditions, the motor surface temperature should be in the range of 40-50°C.

If a motor is hotter than other motors of the same capacity, it indicates a malfunction or overload. In thermographic inspection, all motors are scanned, and those found to be overheating are noted in the report. With proper maintenance, motor life is extended and efficiency is increased.

Port thermal control refers to the temperature control of electrical cables, terminals, connectors, and screw connections. Loose connections create arcing, and localized heating occurs due to high resistance.

If a thermographic camera detects higher-than-normal temperatures at the connection points, the connection needs to be tightened. Loose contacts are a major cause of electrical fires; early detection eliminates fire risks.

Thermal Imaging

Innovative Method for Electrical Installation Inspection

Thermal imaging is recognized by the Electrical Installation Regulations (ETY) as one of the periodic inspection methods for electrical installations. During the inspection, electrical panels, outlets, transformers, motor terminals, and cables are scanned with a thermal camera. If temperatures higher than the normal operating temperature are detected, these areas are noted in the report, and repair is requested.

Thermal imaging can be performed on live (energized) installations without the need to keep electrical circuits open or interrupt the power supply. This ensures that the company's operations are not disrupted and its efficiency is not reduced.

Infrared Camera Non-Contact Temperature Measurement: Precise Measurement Technology

Infrared camera non-contact temperature measurement is a method that determines the surface temperature of an object by measuring infrared radiation. The camera records the temperature value for each pixel and creates a color map (thermal map); blue indicates cold regions, while yellow-orange-red indicate warm regions.
Measurement accuracy depends on the camera, ambient temperature, the emissivity of the object being measured, and the distance. Professional thermographic cameras can measure temperatures from -20°C to +2000°C with an accuracy of ±2°C. FLIR and Testo brand cameras used by AES Innovation provide reliable results in industrial inspection.

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Thermal Camera TURKAK Accreditation Inspection and Legal Validity

EN 4179

A thermal camera inspection accredited by TÜRKAK means that the inspection personnel are trained, the equipment is calibrated, and the report conforms to international standards. Personnel performing thermographic inspections must have obtained EN 4179 Thermal Camera Level 1 or 2 certification.

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Ensure the safety of your electrical installations with thermographic inspection!

Temperature measurement with thermographic cameras is a fundamental component of electrical safety and energy efficiency. Don't take risks; entrust your inspections to TÜRKAK accredited and EN 4179 certified professionals! AES Innovation is here for you with its professional thermographic cameras, trained personnel, and annual inspection contracts.

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Frequently Asked Questions

According to the Electrical Installations Regulation and the Work Equipment Regulation, thermographic inspection must be carried out at least once a year. For facilities performing critical functions, a 6-month inspection period is recommended.

Thermal imaging is used to detect faults in live electrical installations by measuring temperature non-contactly without interrupting the power supply. It finds loose connections, motor failures, transformer problems, and hot spots.

Professional infrared cameras can measure with an accuracy of ±2°C. Accuracy depends on the camera quality, ambient temperature, and the emissivity of the object being measured.

Temperatures exceeding 45°C in ambient temperature, 60°C in contactors, and 70°C in cables indicate faults requiring repair.

Engine malfunctions can cause sparks and fire risks. Thermal analysis allows for intervention before the engine breaks down, extending engine life.

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For a complete list of the inspection areas we are accredited in and official TÜRKAK scope verification: Our Accreditation Scope.