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The influence of repetitive square wave voltage parameters on enameled wire endurance
发布时间: 2017-12-28 03:43:54
Abstract:
The dependence of endurance test results on repetitive square wave voltage waveform parameters is investigated in this paper focusing on crossed pair specimens made of polyamide-imide enameled wires. Endurance tests carried out on crossed pairs above partial discharge inception voltage using both sinusoidal and square wave voltages show that lifetimes can be influenced significantly by voltage waveform parameters (rise time and frequency). Partial discharge statistics, recorded from test beginning to breakdown, are used to explain the remarkable differences associated with voltage waveform parameters. According to this study, the influence of voltage waveform parameters should be carefully considered in order to obtain effective evaluation of inverter-fed motor insulation systems.
Published in: IEEE Transactions on Dielectrics and Electrical Insulation Volume: 21Issue: 3, June 2014 )
Page(s): 1276 - 1284
Date of Publication: 16 June 2014 
Print ISSN: 1070-9878
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