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The properties of space charge and breakdown in epoxy/paper composites are studied in this paper. The results show that the breakdown voltage of the epoxy/paper composite is lower than that of the epoxy under AC voltage but is higher under DC voltage. In order to explain this phenomenon, the space charge behavior is investigated. In epoxy/paper composites, the space charges easily accumulate at the...
In the paper the breakdown characteristics of Printed Circuit Board (PCB) paralleled traces is investigated. Rectangular pulse with single pulse mode and repetition frequency pulse mode is injected directly to paralleled traces structure on PCB. To obtain desired pulse waveforms, a pulsed power generator is designed and set up which can output rectangular pulses with different pulse widths, pulse...
The properties of space charge and breakdown in epoxy/paper composite were studied. The results show that the breakdown voltage of epoxy/paper composite is lower than epoxy under AC voltage, but is higher under DC voltage. In order to explain this phenomenon, space charge behaviors were investigated. In the epoxy/paper composites, space charges were easily gathered at the interface of epoxy and paper...
Simulation model to investigate the statistical property of electrical breakdown is presented based on the field-assisted percolation model for dielectric breakdown, in which the disorder in morphology is expressed through randomly distributed trap barriers. In addition the effects of sample area and the presence of large defects are evaluated. Assuming that one simulation segment represents an actual...
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