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000000055 037__ $$aENY-ARTICLE-2008-046
000000055 041__ $$aeng
000000055 088__ $$aRZ I07/99/I-448
000000055 088__ $$aSPIE Proceedings Series, ISSN 0277-768X; Vol. 3730
000000055 100__ $$aZylka, P$$uWroclaw University of Technology, Poland
000000055 245__ $$aDGA system utilising semiconductor gas sensors
000000055 260__ $$c1997-10-01
000000055 300__ $$a5p
000000055 500__ $$aOptoelectronic and electronic sensors III. Ed. Antoni Nowakowski. Jurata, Poland, 10-13 May 1998. Bellingham, Wash: SPIE - The International Society for Optical Engineering 1999 pp. 93-97.
000000055 520__ $$aThermal and electric faults developing inside transformers lead to the generation of gaseous products dissolving in the insulating oil. Chromatographic analysis of the gas products composition and concentration (DGA) is a routine procedure used in test and maintenance of the transformers. Unfortunately DGA is rather a laboratory method and cannot be applied in the field during the transformers exploitation. The research aimed at working out a portable system for fast, introductory DGA analysis by means of semiconductor gas sensors. DGA procedures, test system construction and efficient gas extraction methods as well as the results of various oil sample tests are discussed. Unexpected impact of the extraction method on the sensor response is also mentioned.
000000055 6531_ $$adissolved gas analysis
000000055 6531_ $$atransformer diagnostics
000000055 6531_ $$agas sensors
000000055 6531_ $$aoil
000000055 700__ $$aMazurek, B$$uWroclaw University of Technology, Poland
000000055 8560_ $$fzbigniew.leonowicz@pwr.wroc.pl
000000055 8564_ $$uhttp://zet10.ipee.pwr.wroc.pl/record/55/files/$$zAccess to Fulltext
000000055 909CO $$ooai:zet10.pwr.wroc.pl:55$$pglobal
000000055 980__ $$aARTICLE