石化企业中压供配电系统中性点接地方式的选择

Selection of Neutral-Point Earthing Mode for Medium-Voltage Power Supply and Distribution System in Petrochemical Enterprises

通过对各种不同的中性点接地方式特点进行分析比较,结合近期大型乙烯工程,探讨选择与系统相适 应的中性点接地方式的方法及其相关因素。

Through comparison between different neutral-point earthing modes, coupled with recent major ethyl-ene projects, the article discusses the methods and related factors of selecting neutral-point earthing mode suited to the system.