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.
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)
出处
《山东煤炭科技》
2017年第8期128-129,共2页
Shandong Coal Science and Technology
关键词
井下低压电网
零序电流
三级漏电选线保护
underground low-voltage power grid
zero sequence current
level 3 protection leakage line selection
