高压厂用电系统单相接地零序过电流保护的整定计算  

Setting Calculation of Single-Phase Grounding Zero Sequence Over Current Protection in High Voltage Auxiliary Power System

作　　者：李晓[1] LI Xiao(Anhui Huainan Pingwei Power Generation Co.,Ltd.,Huainan 232089,China)

机构地区：[1]安徽淮南平圩发电有限责任公司,安徽淮南232089

出　　处：《电工技术》2021年第16期143-145,共3页Electric Engineering

摘　　要：通过分析高压厂用电系统发生单相金属性接地时的零序电流,结合整定导则提出零序过电流保护的整定计算原则。Through analyzing of zero sequence current when single-phase metallic grounding occurs in high voltage auxiliary power system,the setting calculation principle of zero sequence over-current protection is proposed in combination with setting guidelines.

关 键 词：零序过电流保护 高压厂用变压器 低压厂用变压器 高压厂用馈线 高压电动机 

分 类 号：TM732[电气工程—电力系统及自动化]