三相电表掉电检测电路分析及比较  

Analysis and Comparison of Power-down Detection Circuit of Three-phase Electricity Meter

作　　者：卢玉凤 杨迎辉 武鸿熙 徐京生 董占国 LU Yufeng;YANG Yinghui;WU Hongxi;XU Jingsheng;DONG Zhanguo(Holley Technology Co.,Ltd.,Hangzhou 310023,China;State Grid Henan Electric Power Company Yichuan County Power Supply Company,Yichuan 471000,China;Shanghai Ocean State Information Technology Co.,Ltd.,Shanghai 201203,China)

机构地区：[1]华立科技股份有限公司,浙江杭州310023 [2]国网河南省电力公司伊川县供电公司,河南伊川471000 [3]上海运邦信息科技有限公司,上海201203

出　　处：《电工技术》2022年第10期91-93,共3页Electric Engineering

摘　　要：分析两种三相智能电表掉电检测及其实现方法。针对智能电表掉电检测的要求,设计了一种可高效检测掉电的电路及对应的软件设计方案和功能简单的普通电表高性价比的掉电检测电路。Two kinds of three-phase intelligent electric meter power failure detection and its realization method are analyzed.According to the requirements of power failure detection of intelligent electricity meter, a circuit which can detect power failure efficiently and the corresponding software design scheme, and a power down detection circuit with simple function and high cost performance of ordinary electricity meter are designed.

关 键 词：掉电检测 智能电表 普通电表 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]