{"title":"Conduction currents in composite aromatic polyamide insulation","authors":"M. A. Sussi, G. G. Govinda Raju","doi":"10.1109/CEIDP.1993.378980","DOIUrl":null,"url":null,"abstract":"Typical conduction currents have been determined for a composite polyamide sample at a constant poling temperature of 2000/spl deg/C and various poling fields ranging from 1.31 to 9.84 MVm/sup -1/. The conduction current is observed to decay with time, and does not reach steady-state even after five hours from the time the electric field is applied. Isochronal currents are plotted as a function of applied electric field at various constant temperatures for 152.4 /spl mu/m thick paper of composite polyamide. The electrode material is A1. Two distinct regions are observed, one at electric fields below 4 kVcm/sup -1/ where conduction currents are Ohmic; and the other at electric fields greater than 4kVcm/sup -1/, where the conduction currents deviate from Ohmic behaviors.<<ETX>>","PeriodicalId":149803,"journal":{"name":"Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEIDP.1993.378980","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Typical conduction currents have been determined for a composite polyamide sample at a constant poling temperature of 2000/spl deg/C and various poling fields ranging from 1.31 to 9.84 MVm/sup -1/. The conduction current is observed to decay with time, and does not reach steady-state even after five hours from the time the electric field is applied. Isochronal currents are plotted as a function of applied electric field at various constant temperatures for 152.4 /spl mu/m thick paper of composite polyamide. The electrode material is A1. Two distinct regions are observed, one at electric fields below 4 kVcm/sup -1/ where conduction currents are Ohmic; and the other at electric fields greater than 4kVcm/sup -1/, where the conduction currents deviate from Ohmic behaviors.<>
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