Five important power line component anomalies

Richard G. Strmiska

doi:10.1117/12.381536

30 March 2000 Five important power line component anomalies

Richard G. Strmiska

Proceedings Volume 4020, Thermosense XXII; (2000) https://doi.org/10.1117/12.381536
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

During routine infrared surveys of switchyard, substation, distribution components and underground cable installations, several important anomalies have been identified. Five are reported on in this paper: (1) Moisture intrusion into high voltage polymer insulators; (2) Improper installation of a three phase service transformer set; (3) Improper tightening of a bushing connection; (4) Current transformer polyurethane coating encasement failure; (5) Underground cable and fuse enclosure insulator failure. In the first case the extremes of Florida weather, heat, humidity and moisture, contributed to the failure. In all cases, either improved manufacturing design or installation procedures could have prevented these problems. In addition to using infrared thermography as a survey tool, it is highly recommended to be used as a design and installation, baseline-checking tool.

Citation Download Citation

Richard G. Strmiska "Five important power line component anomalies", Proc. SPIE 4020, Thermosense XXII, (30 March 2000); https://doi.org/10.1117/12.381536

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