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http://dx.doi.org/10.4313/JKEM.2016.29.12.829

Insulation Breakdown Frequency Properties of PAI Enamelled Rectangular Coils According to Thermal Deterioration Temperature Variation  

Park, Jae-Jun (Department of Electrical Electronic Engineering, Joongbu University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.29, no.12, 2016 , pp. 829-834 More about this Journal
Abstract
Coil specimens were prepared by continuous coating on a copper wire with flexible PAI (polyamideimide) and PAI/nanosilica (5 wt%) varnish and thermally aged at 150, 200 and $250^{\circ}C$ for 5, 10 and 15 days, respectively. AC insulation breakdown voltage was investigated under inverter surge condition at 60 Hz and 1,000 Hz and insulation breakdown voltage decreased with increasing aging temperature and aging time at each 60 and 1,000 Hz.
Keywords
Thermal deterioration; PAI enamelled rectangular coils; AC insulation breakdown; Frequency variation;
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Times Cited By KSCI : 3  (Citation Analysis)
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