低压隔离电器定义的探讨和应用  

Discussion and Application of Definition of Low Voltage Isolator

作　　者：郁晓红 YU Xiaohong(Shanghai Jiangnan Architectural Design Institute(Group)Co.,Ltd.,Shanghai 201800,China)

机构地区：[1]上海江南建筑设计院集团有限公司,上海201800

出　　处：《现代建筑电气》2020年第7期4-8,共5页Modern Architecture Electric

摘　　要：低压装置的线路上必须安装低压隔离电器,以满足电气工作人员在安全地隔离电源与线路、设备的连接后,对其进行检修、维护测试、执行工作、故障测定或更换设备。结合GB 14048.3—2017《低压开关设备和控制设备第3部分:开关、隔离器、隔离开关以及熔断器组合电器》对其术语和技术要求的调整,从设计和使用角度提出了选用低压隔离电器的一些合理建议。Low voltage isolation devices must be installed on the line of the low voltage device to meet the requirements of the electrical staff after safely isolating the power supply from the connection of the line and the equipment,perform maintenance,test,perform work,troubleshoot,or replace equipment.Based on the latest GB 14048.3—2017"low-voltage switchgear and controlgear-part 3:Switches,isolators,isolators and fuse sets,closing appliances",from the view of design and application,some reasonable suggestions on the selection of low voltage isolator were put forward.

关 键 词：隔离器 隔离开关 专用隔离开关 派生隔离开关 带有隔离功能断路器 

分 类 号：TM56[电气工程—电器]