Influence of External Factors on Results of Bushing tanδ and Capacitance Measurements
J. Buchacz and Z. Szymanski
ZPBE Energopomiar-Elektryka Sp. z o.o., Świętokrzyska 2, 44-101 Gliwice, Poland
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The paper presents influence of external factors on results of bushing dissipation factor tanδ and capacity measurements performed on not energized transformer as well as with operation voltage using on-line method. There are discussed methods and real cases of measurements, with emphasized differences in results interpretation. Conclusions and literature are summarized.
DOI: 10.12693/APhysPolA.122.900
PACS numbers: 84.37.+q, 77.22.Gm, 81.70.Ex, 84.32.Tt