本发明涉及一种１０ＫＶ级辐照交联电力电缆绝缘层及其制备方法，该绝缘层是以低密度聚乙烯、线性低密度聚乙烯、乙烯－醋酸乙烯共聚物为基料，在其中添加交联敏化剂、抗氧剂、辅助抗氧剂、抗静电剂和填料制备而成；其制备方法是将基料加入密炼机加入交联剂混合后，加入其余物料混合，将共混体送入造粒机中造粒，然后将物料放入挤塑机中挤线后进行辐照即可；本发明的绝缘层耐高温、抗氧化老化能力强、绝缘性能和电性能、机械性能较好、可抑制放电破坏，其制备工艺简单 ...
滕人瑞、罗超华、杨庚成、贾少晋、张叔鸣、孙炜
core
Gaoya dianqi为准确评估乙丙橡胶（EPDM）车载电缆的绝缘老化状态，引用了等温松弛电流（IRC）法和局部放电（PD）法，分别讨论了老化因子、局部放电特征信息与电缆老化状态之间的映射关系，结果表明：随着车载电缆运行里程的增加，老化因子、局部放电量、放电次数和放电电流均呈现规律性增长趋势，多种老化应力协同作用是造成车载电缆绝缘劣化的主要原因，绝缘材料内部陷阱的增多和加深是车载电缆老化的微观表现。协同等温松弛电流法和局部放电法对车载电缆绝缘状态的评估具有有效性和可行性，通过建立微观陷阱分布特性与宏观局部放电特性之间的联系 ...
宋微 +5 more
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