钢铁企业高压系统晃电现象分析与措施  

Analysis and Measures of Voltage Sag in High-Voltage System of Iron and Steel Enterprises

作　　者：王晓庆[1] 蔡志全[1] 王少冲 WANG Xiaoqing;CAI Zhiquan;WANG Shaochong(Shougang Jingtang United Iron and Steel Co.,Ltd.,Tangshan 063200,China)

机构地区：[1]首钢京唐钢铁联合有限责任公司,河北唐山063200

出　　处：《电工技术》2020年第6期49-50,共2页Electric Engineering

摘　　要：文章介绍了一起因晃电导致钢铁企业内传动设备跳电现象,分析了故障发生时电网运行状态,并针对电网晃电状态下的压降范围及压降持续时间和设备定值设置,提出了解决因系统晃电导致停机问题的方法。This paper introduces a trip phenomenon of the power transmission equipment in a steel company caused by voltage sag,analyzes the operation status of the power grid when the fault occurs,and proposes the method to solve the problem of shutdown due to system voltage sag according to the voltage drop range and duration in the voltage sag state of the power grid and the setting value of the equipment.

关 键 词：晃电 故障 压降 停机 

分 类 号：TM72[电气工程—电力系统及自动化]