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V-t characteristics for partial discharge inception of high temperature superconducting power cable

机译:高温超导电力电缆局部放电开始的V-t特性

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In this paper, we investigated the partial discharge (PD) inception and V-t characteristics in liquid nitrogen (LN2)/polypropylene laminated paper (PPLP) composite insulation system for the application to high temperature superconducting cable. Especially, we examined PD inception characteristics influenced by butt gaps in PPLP layers. Experimental results revealed that the PD inception strength in the butt gap was obtained as a function of butt gap thickness. Furthermore, life time indices n of the V-t characteristics at PD inception were experimentally identified and the dependency on the surface pressure of PPLP was clarified. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 4]
机译:在本文中,我们研究了用于高温超导电缆的液氮(LN2)/聚丙烯层压纸(PPLP)复合绝缘系统中的局部放电(PD)始发和V-t特性。特别是,我们检查了受PPLP层对接间隙影响的PD起始特征。实验结果表明,获得的对接间隙中的PD起始强度是对接间隙厚度的函数。此外,通过实验确定了PD开始时的V-t特性的寿命指标n,并阐明了对PPLP表面压力的依赖性。 (C)2002 Elsevier Science B.V.保留所有权利。 [参考:4]

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