防爆电机轴电压轴电流引起的轴承电容计算简介  

Brief Introduction to Calculation of Bearing Capacitance Caused by Shaft Current of Explosion Proof Motor Shaft

作　　者：钱松 Qian Song(Shanghai instrument automatic control system inspection and Testing Institute Co.,Ltd.,Shanghai 200233)

机构地区：[1]上海仪器仪表自控系统检验测试所有限公司,上海200233

出　　处：《电气防爆》2020年第3期18-21,共4页Electric Explosion Protection

摘　　要：简单介绍了变频器驱动的防爆电机的轴承上产生轴电压和轴电流的原理,以及轴电流的危害,并根据IEC60079-0:2017的要求,结合实例进行了轴承电容的计算,对标准今后的引用进行了探讨。It briefly introduces the principle of shaft voltage and shaft current generated on the bearing of explosion proof motor driven by frequency converter,as well as the harm of shaft current.According to the requirements of IEC 60079-0:2017,the bearing capacitance is calculated combined with some examples.The future reference of the standard is discussed.

关 键 词：防爆电机 轴电压 轴电流 轴承电容 

分 类 号：TM357[电气工程—电机]