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IEEE guide for dielectric frequency response test advancements in industry

IEEE guide for dielectric frequency response test advancements in industry

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The  Institute  of  Electrical  and  Electronic  Engineers  (IEEE)  Standards  Association recently approved the publication of IEEE Std. C57.161–2018, Guide for Dielectric Frequency Response Test. The work was developed within the IEEE Transformers Committee and the Dielectrics Subcommittee. The industry needed a document to better understand the field application of a non-intrusive and non-destructive method to assess the condition of oil-paper insulation in power and distribution transformers.

Authors Diego Robalino
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The  Institute  of  Electrical  and  Electronic  Engineers  (IEEE)  Standards  Association recently approved the publication of IEEE Std. C57.161–2018, Guide for Dielectric Frequency Response Test. The work was developed within the IEEE Transformers Committee and the Dielectrics Subcommittee. The industry needed a document to better understand the field application of a non-intrusive and non-destructive method to assess the condition of oil-paper insulation in power and distribution transformers.

Over the last two decades, other technical references presented the development of dielectric frequency response (DFR), aka frequency domain spectroscopy (FDS), specifically its application for power and distribution transformers with oil-impregnated paper insulation. CIGRE Technical Brochures 254, 414, and 445, as well as IEEE Std. C57.152, addressed the importance of the research and the benefits of the method as applied to power and distribution transformers.