变电所中置柜短路故障分析及解决方案研究  

Analysis of Short-circuit Faults and the Probe into Solution of Middle Placed Switch Cabinet in Substations

作　　者：丁北平[1] 陈东海[1] 严浩军[1] 王磊[1] 姜子庠[2] 

机构地区：[1]宁波电业局,浙江宁波315010 [2]上海电力学院,上海200090

出　　处：《电气技术》2013年第10期57-60,共4页Electrical Engineering

摘　　要：本文以近年来电网系统常发生的中置柜短路事故为研究对象,分析故障的典型类型和产生原因,研究现有中压母线保护方案及其适用性,提出一种基于选择性的中压母线快速保护方案,满足国内生产现场改造的需要。Based on the grid system is often occurred in short-circuit faults of middle placed switch cabinet in recent years, this article analyses the typical types and causes of the faults, studies the existing protection scheme and its applicability of medium voltage bus, proposes a high-speed protection scheme of medium voltage bus based on selectivity and meets the needs of domestic reform of production field.

关 键 词：弧光短路故障 中压母线 快速保护 

分 类 号：TM773[电气工程—电力系统及自动化]