几种泄漏电流的探讨与测量  

Discussion and measurement of several leakage currents

作　　者：李勇 王娜 石春珉 杨鹏 LI Yong;WANG Na;SHI Chunmin;YANG Peng(Institute of Standards and Metrology,China Academy of Railway Sciences Group Co.,Ltd.,Beijing 100015,China)

机构地区：[1]中国铁道科学研究院集团有限公司标准计量研究所,北京100015

出　　处：《中国测试》2022年第S02期32-37,共6页China Measurement & Test

基　　金：中国铁道科学研究院集团有限公司院基金课题(2020YJ178)

摘　　要：该文主要针对轨道交通领域不同产品标准对泄漏电流的定义、检测方法进行深入探讨。明确不同产品标准对泄漏电流的具体规定。详细阐述几种泄漏电流的产生原理、试验原理、测试方法以及试验限值。并对试验过程中的注意事项进行分析,进一步明确产品标准中对泄漏电流的理解,能很好地指导检测人员进行相关检测,提高检测质量和检测结果的一致性。This paper mainly discusses the definition and detection method of leakage current for different product standards in the field of rail transit.The specific regulations on leakage current in different product standards are clarified.The generation principles,test principles,test methods and test limits of several leakage currents are described in detail.The precautions in the test process are analyzed,and the understanding of leakage current in the product standard is further clarified,which can well guide the testing personnel to carry out relevant testing and improve the testing quality and the consistency of testing r esults.

关 键 词：轨道交通 标准 泄露电流 测试方法 试验限值 

分 类 号：U239.5[交通运输工程—道路与铁道工程]