基于STC12C5410AD单片机的单相电参数测量仪设计  

Design of single-phase electrieal parameter measuring instrument based on STC12C5410AD MCU

作　　者：王俊杰[1] 顾冬华[1] 

机构地区：[1]郑州轻工业学院电气信息工程学院,河南郑州450002

出　　处：《郑州轻工业学院学报（自然科学版）》2010年第1期57-60,共4页Journal of Zhengzhou University of Light Industry:Natural Science

基　　金：国家高科技研究发展计划项目(2006AA060101)

摘　　要：以高精度电表集成电路CS5463为计量核心,设计了一种基于STC12C5410AD单片机的单相交流参数测量仪.该系统与采样、过零比较电路配合,利用单片机片内定时器测量频率和相位差;与采样、放大、精密整流和滤波电路配合,利用CS5463片内A/D转换器通过瞬时采样法测量电压、电流有效值计算出视在功率、有功功率和无功功率.通过12864LCD显示出各参数测量值.The single phase AC parameters instrument was designed based on STC12C5410AD using high precision electric meter IC CS5463 as its measurement core.Combined with sampling,zero-crossing comparison circuit,the measurement frequency and phase difference of timer in MCU were utilized;combined with sampling,amplifier,precision rectification and filter circuit,utilizing the A/D converter in CS5463 and the effective value of voltage,current is measured through instantaneous sampling method,and the apparent power,active power and reactive power are worked out.Every measurement value is displayed by 12864LCD at last.

关 键 词：高精度 单相交流电 参数测量仪 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]