Paper
12 March 1982 Inspection Of Underground Secondary Connections By Infrared Thermography
Joseph F. Gitto, Martin Peri
Author Affiliations +
Abstract
The application of infrared thermography (IR scanning) in utilities for aerial surveys, inspection of substation and overhead connections and equipment is well known. This paper describes a new application for infrared thermography--examination of underground secondary connections in manholes and service boxes. The analysis of over 300 potential failures detected by IR scanning, to date, has shown failure mechanisms in all which eventually would have caused the connection to fail. Infrared scanning of undergound secondary connections has been shown to be a viable method for preventive maintenance. Potential failures are detected before the occurrence of an emergency (customer outage) condition. Analysis of these potential failures by QA & R provides a check on the efficacy of the operator, equipment and procedure.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joseph F. Gitto and Martin Peri "Inspection Of Underground Secondary Connections By Infrared Thermography", Proc. SPIE 0313, Thermal Infrared Sensing Applied to Energy Conservation in Building Envelopes, (12 March 1982); https://doi.org/10.1117/12.932905
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KEYWORDS
Thermography

Inspection

Infrared radiation

Scanners

Infrared detectors

Signal detection

Sun

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