煤矿井下低压电网漏电三级选线装置的研制应用  

The coal mine based on low voltage power grid "sequence of identify" the leakage 3 line selection device applications

作　　者：李宗 黄衍法 王德强 Li Zong;Huang Yan-fa;Wang De-qiang(Yankuang group co., LTD Dongtan coal mine,Shandong Zoucheng 273500)

机构地区：[1]兖矿集团有限责任公司东滩煤矿,山东邹城273500

出　　处：《山东煤炭科技》2017年第8期128-129,共2页Shandong Coal Science and Technology

摘　　要：针对煤矿井下低压接地故障,介绍一种基于零序基波漏电原理和接地故障行波理论,可编程专用集成电路(ASIC)的低压电网漏电三级选线方法与装置,着重阐明其性能特点、技术方案、工作原理和应用效果。In coal mine underground low-voltage grounding fault,this paper introduces a kind of based on zerosequence fundamental principle of leakage and ground fault traveling wave theory,a programmable applicationspecificintegrated circuit(ASIC)of low voltage power grid leakage level3line selection method and the device,focused on its performance characteristics,technical scheme,working principle and application effect.

关 键 词：井下低压电网 零序电流 三级漏电选线保护 

分 类 号：TD611.5[矿业工程—矿山机电] TM862[电气工程—高电压与绝缘技术]