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  • Dielectric strength of magnetic wire coatings exposed to simultaneous thermal and radiation aging
    MW16 . .... was based on measuring the changes in the dielectric strengths of various types of enameled wire coatings. .... The appropriate magnet wire types, thermal classes and compositions are given in Table I:. .... tested in accordance with NEMA MW 1000. .... The first graph ( a, c ,e g,i) shows the variation of the dielectric strength for the…
  • 1995 report on IEC winding wire activities
    MW16 - C (220) MW20-C (220). .... Also it is important to know that the most commonly produced and traded wire types are covered by both IEC and NEMA standards. .... in one standard which is nearing its final approval stage, MW 780, Retumable Magnet Wire Packaging Systems.
  • Accelerated electrical degradation of machine winding insulation
    …80-C, and MW 16-C at 60 Hz ac Aging condition: a) 1300 V square pulse at 40 kHz MW 80-C at 140°C, MW 35-C at 180°C b) 1350 V square pulse at 20 kHz MW16 - C at 216°C. .... The evaluated machine winding insulation were NEMA MW 80-C (polyurethane-nylon material), NEMA MW 35-C .... For all three magnet wire insulation, it was recorded the increase in partial discharge inception voltage, partial discharge extinction voltage, and breakdown voltage for samples accelerated aged in a first 100 hrs of applied aging voltage.