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Partial Discharge Characteristics of Epoxy for Ignition Coil  

Shin Jong-Yeol (Department of Automobile, Sahmyook College)
Hong Jin-Woong (Department of Electrical Engineering, Kwangwoon University)
Publication Information
Journal of the Korean Society of Safety / v.19, no.4, 2004 , pp. 141-149 More about this Journal
Abstract
The automobile equipped with a gasoline engine uses the ignition coil, namely, a high voltage generator, to make the mixed fuel ignited and burned in the combustion chamber, which results in the power to drive the engine. The ignition coil functions to convert a low voltage of the primary into a hiか voltage of the secondary by switching method, which will be transmitted to the electrode. Here, if the ignition coil has a defect even a little, it cannot function well. In this study, it was chosen epoxy molding ignition coil in recently and epoxy resin which is insulation material as specimens, and it was measured the characteristics of the partial discharge occurring to the specimens when those were applied to a voltage, and thereby, it was researched and analyzed the distribution of phase angle, amount and count of discharge due to the changing voltage, And as the result is applying to the actual automobile ignition system, it can be expected the enhancement of the performance of the ignition coil and the reliability of the electrical equipment.
Keywords
partial discharge; epoxy resin discharge current; air void; copper particle;
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