DGA system utilizing semiconductor gas sensors

Pawel Zylka; Boleslaw Mazurek

doi:10.1117/12.346843

30 April 1999 DGA system utilizing semiconductor gas sensors

Pawel Zylka, Boleslaw Mazurek

Proceedings Volume 3730, Optoelectronic and Electronic Sensors III; (1999) https://doi.org/10.1117/12.346843
Event: Optoelectronic and Electronic Sensors III, 1998, Jurata, Poland

Abstract

Thermal and electric faults developing inside transformers lead to the generation of gaseous products dissolving in the insulating oil. Chromatographic analysis of the gas products composition and concentration (DGA) is a routine procedure used in test and maintenance of the transformers. Unfortunately DGA is rather a laboratory method and cannot be applied in the field during the transformers exploitation. The research aimed at working out a portable system for fast, introductory DGA analysis by means of semiconductor gas sensors. DGA procedures, test system construction and efficient gas extraction methods as well as the results of various oil sample tests are discussed. Unexpected impact of the extraction method on the sensor response is also mentioned.

Citation Download Citation

Pawel Zylka and Boleslaw Mazurek "DGA system utilizing semiconductor gas sensors", Proc. SPIE 3730, Optoelectronic and Electronic Sensors III, (30 April 1999); https://doi.org/10.1117/12.346843

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