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Quality Problem Analysis and Treatment of 35kV Casting Type Current Transformer
Author(s): 
Pages: 26-27,30
Year: Issue:  5
Journal: Guangxi Electric Power

Keyword:  电流互感器绝缘放电伞裙;
Abstract: 对35 kV浇注式电流互感器顶端伞裙开裂、环氧树脂表面粉化和器身侧面局部放电、碳化缺陷进行了调查,对存在缺陷的电流互感器进行了解体和试验分析,找到了抑制表面放电的简单易行的有效方法.阐述了缺陷设备运行中存在的安全风险,提出了预防事故措施和产品改进建议.指出电流互感器结构设计和工艺不合理是出现缺陷的根本原因,提出的建议值得同类产品的使用单位和生产厂家借鉴.
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