解读铁道行业标准《机车车辆车顶绝缘子》

Interpretation of Railway Industry Standard Insulators at the Top of the Electric Locomotive

在说明TB/T 3077—2017《机车车辆车顶绝缘子》修订背景、总体内容变化的基础上,介绍标准的适用范围和规范性引用文件、术语与定义、型号表示方法和环境条件等内容。重点对机车车辆车顶绝缘子的结构尺寸、主要电气性能、机械性能、试验方法等在内容上的变化进行阐述,为标准的实施提供参考。

Based on specifying the revision background and general changes in contents of TB/T 3077—2017 Specification of Insulators at the Top of the Electric Locomotive,the article introduces the applicable scope,normative ref-erences, terms and definitions, model denotation methods and environmental conditions, etc. It focuses on thechanges in contents including the structure size, main electrical performance, mechanical performance and testmethods,etc. of insulators at the top of electric locomotives,providing references for standard implementation.