变压器并列运行中性点接地问题处理  

Treatment of Neutral Grounding in Parallel Operation of Transformers

作　　者：李功凯 LI Gongkai(Xinjiang Shihezi Tianye Huihe New Materials Co.,Ltd.,Shihezi 832000,China)

机构地区：[1]新疆天业汇合新材料有限公司,新疆石河子832000

出　　处：《电工技术》2022年第4期108-109,共2页Electric Engineering

摘　　要：阐述一起需并列运行的两台变压器由于中性点接地方式不当造成核相数据异常的事例,对两台变压器中性点均进行接地,并在接地点装设隔离刀开关以适应不同的供配电系统运行方式。Introduces an example of abnormal phase data caused by improper neutral grounding mode of two transformers in parallel operation and its treatment process.The neutral points of the two transformers are grounded at the neutral point,and the grounding point is equipped with an isolating knife switch to adapt to different operation modes of the power supply and distribution system.

关 键 词：变压器 并列运行 TT系统 中性点接地 零点漂移 

分 类 号：TM411[电气工程—电器]