基于自适应低频信号的绝缘监视装置设计  

Design of Insulation Monitoring Device Based on Self-adaptive Low Frequency Signal

作　　者：王智 徐军 李平 胡健 

机构地区：[1]上海同济华润建筑设计研究院有限公司,上海200092 [2]安科瑞电气股份有限公司,上海201801

出　　处：《现代建筑电气》2015年第4期37-41,共5页Modern Architecture Electric

摘　　要：绝缘监视装置主要监视低压IT系统对地绝缘情况,具有故障预警、报警、事件记录等功能。介绍绝缘监视装置的自适应测量原理及软、硬件的设计。指出绝缘监视装置可用于煤矿、船舶等IT系统,以提供安全可靠的剩余电流保护解决方案。Insulation monitoring devices（ IMD） are used to monitor the resistance of low voltage IT system,which have functions of pre-alarm and alarm for insulation faults,recording events etc. This paper introduced the measuring principle and the designs of hardware and software in details. The IMD products can be used in IT systems of mines and ships for a reliable residual current protection solution in those locations.

关 键 词：IT系统 绝缘监视装置 自适应低频信号 可靠性 

分 类 号：TM855[电气工程—高电压与绝缘技术]